Lec 1 : Introduction, conservation of energy, dimensions and units, systems, properties
Tech Brochure Dimensions and Section Properties
28
HSS Hollow Structural Sections HSS: TECHNICAL BROCHURE ©201 3 Steel Tube Institute 2516 Waukegan Road, Suite 172 Glenview, IL 60025 TEL: 847 .461. 170 1 FAX: 847.660.7981 DIMENSIONS AND SECTION PROPERTIES
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Transcript of Tech Brochure Dimensions and Section Properties
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HSS
HollowStructuralSections
HSS:TECHNICALBROCHURE
©2013 Steel Tube Institute
2516 Waukegan Road, Suite 172
Glenview, IL 60025
TEL: 847.461.1701
FAX: 847.660.7981
DIMENSIONS AND SECTION PROPERTIES
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HSSHollowStructural
Sections
Technical Brochure: Dimensions & Section Properties
STEELTUBEINSTITUTE.ORG/HSS
The transformation of steel strip into hollow structural sections (HSS)
is the result of a series of operations including forming, welding and
sizing. Currently three methods are being used in North America for
the manufacture of HSS. These methods are described below. Each
method meets ASTM A-500 and CSA G-40.21-92 requirements for the the
manufacture of HSS, and the sizes listed in this brochure may be produced
to either standard.
Electric Resistance Welding (ERW) Process
In the tube mill, flat steel strip (1) i s formed
continuously around its longitudinal axis to
produce a round tube. This is done by moving
the strip through a progressive set of rolls (2-6).
The strip edges (7) are heated by either high
frequency induction or contact welding and
then forged together by weld rolls to create
a continuous longitudinal weld without the
addition of filler metal. The weld seam (8) is then
cooled and processed through a set of sizing
shaping rolls which cold-form it into a round (9),
square (10) or rectangular (11) section.
Form-Square Weld-Square (ERW) Process
In the tube mill, flat steel strip (1) i s formedcontinuously around its longitudinal axis to
produce a round tube. This is done by moving
the strip through a progressive set of rolls (2-6).
The strip edges (7) are heated by either high
frequency induction or contact welding and
then forged together by weld rolls to create
a continuous longitudinal weld without the
addition of filler metal. The weld seam (8) is then
cooled and processed through a set of sizing
shaping rolls which cold-form it into a round (9),
square (10) or rectangular (11) section.
Submerged Arc Weld (SAW) Process
In the tube mill, flat steel strip (1) i s formed
continuously around its longitudinal axis toproduce a round tube. This is done by moving
the strip through a progressive set of rolls (2-6).
The strip edges (7) are heated by either high
frequency induction or contact welding and
then forged together by weld rolls to create
a continuous longitudinal weld without the
addition of filler metal. The weld seam (8) is then
cooled and processed through a set of sizing
shaping rolls which cold-form it into a round (9),
square (10) or rectangular (11) section.
HSS ManuacturingMethods
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HSSHollowStructural
Sections
Technical Brochure: Dimensions & Section Properties
STEELTUBEINSTITUTE.ORG/HSS
This publication presents tables of dimensions and section properties for rectangular, square, and round Hollow Structural Sections (HSS). HSS with a maximum periphery of 64 inches are manufactured
by the electric-resistance welding (ERW) process. HSS with peripheries greater than 64 inches are manufactured by the submerged arc welding (SAW) process. See HSS Manufacturing Methods inside
front cover in this publication.
The dimensions, including nominal width, nominal depth, nominal diameter and nominal wall thickness are subject to the permissible variations stipulated in ASTM A500 “Standard Specification for
Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes”. With today’s manufacturing methods, HSS are produced with more precision than in the past.
The strip used to produce HSS is now ordered to thicknesses with tighter tolerances. As a result, ERW HSS manufactured to A500 will often have a wall thickness close to the Specification allowable
value. In a change from past practice, section property data is now based upon the design wall thickness.
The design wall thickness, t, for ERW HSS is less than the specified nominal wall thickness. For SAW HSS, the design wall thickness, t, is equal to the specified nominal wall thickness.The design wall
thickness for each HSS size is included in the tabulated data.
The section property data based upon the design wall thickness, t, results in variations in the published area data that do not exceed 3.50% of the data based upon the minimum permissible wall
thickness stipulated in ASTM A500. This is consistent with the similar section property data published for hot rolled structural shapes and the manufacturing tolerances associated with those products.
The section property data for rectangular and square ERW HSS are based upon outside corner radii equal to 2.0 times the design wall thickness. The section property data for rectangular and square
SAW HSS are based upon outside corner radii equal to 3.6 times the design wall thickness for SAW sections with 5/8 i nch nominal wall thicknesses; and 3.0 times the design wall thickness for SAW
sections with nominal wall thicknesses equal to 1/2 inch and 3/8 inch.
General availability information for each size of HSS manufactured to ASTM A500 Grade B is contained in The Steel Tube Institute’s companion publication “Principal Producers and Capabilities”. Tables,summarizing the capabilities of principal producers by specific size and wall thickness, are included for rectangular, square and round HSS.
NOTE: The more universal terms “Hollow Structural Section”and “HSS”are used in this publication to designate rectangular, square and round structural steel tubing. These terms replace “structural tubing”and “pipe”, which had
been used previously. The round Hollow Structural Sections include typical “pipe” size diameters and wall thicknesses, as well as typical HSS sizes.
Foreword
TITLE IF NECESSARY
Note: Theinformation presented in thispublication hasbeen prepared
in accordancewith recognized engineering principlesand is for general information only.Whileit isbelieved tobeaccurate, thisinformation
should notbe used or relied upon for any specificapplication without
competentprofessional examination and verification ofit saccuracy,
suitability, and applicability by alicensed professionalengineer, designer,
or architect.Thepublication ofthe materialcontained herein isnot
intended asa representation or warranty on the partofThe SteelTube
Instituteof North Americaor of any other person named herein, thatthis
information issuitable for any generalor particular useor offreedom
from infringementof any patentor patents.Anyonemakinguseof this
information assumesall liability arisingfrom such use.
Caution mustbe exercised when relyingupon other specifications
and codesdeveloped by other bodies and incorporated by reference
herein sincesuch materialmay bem odified or amended from timet o
timesubsequenttothe printingof thisedition.TheInstitutebearsno
responsibility for such materialother than torefer toit and incorporateit
by referenceatthetime oftheinitialpublication of thisedition.
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HSSHollowStructural
Sections
Technical Brochure: Dimensions & Section Properties
STEELTUBEINSTITUTE.ORG/HSS
Dimensions and Sections Properties o Rectangle HSS
Dimensions and Sections Properties o Square HSS
Dimensions and Sections Properties o Round HSS
Nominal width minus 3 times the design wall thickness, t (in.)
Torsional shear constant o cross-section (in.3)
Outside diameter o round HSS (in.)
Nominal depth minus 3 times the design wall thickness, t (in.)
Moment o inertia o cross-section (in.4)
Moment o inertia o cross-section about the X-X axis (in.4)
Moment o inertia o cross-section about the Y-Y axis (in.4)
Torsional stifness constant o cross-section (in.4)
Governing radius o gyration (in.)
Table o Contents
Nomenclature
2
b
h
18
D
Ix
14
C
I
2 14
Iy
Radius o gyration with respect to the X-X axis (in.)
Radius o gyration with respect to the Y-Y axis (in.)
Elastic section modulus (in.3)
Elastic section modulus about the X-X axis (in .3)
Elastic section modulus about the Y-Y axis (in.3)
Design wall thickness (in.)... “units added”
Plastic section modulus (in.3)
Plastic section modulus about the X-X axis (i n.3)
Plastic section modulus about the Y-Y axis (in.3)
rx
ry
S
Sx
Sy
t
Z
J
r
Zx
Zy
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2
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
in. in. in. Ib. in. in.2
66.4
53.9
40.8
63.9
51.9
39.3
61.4
49.9
37.8
58.9
47.9
36.3
53.9
43.9
33.3
48.9
39.9
30.3
in.4 in.3 in. in.3 in.4 in.3 ft.2
Y
Y
X X
6390
5280
4050
6050
5000
3840
5710
4730
3630
5370
4450
3420
4110
3420
2630
3060
2560
1970
12600
10100
7670
11400
9220
6990
10300
8330
6320
9240
7460
5660
7150
5780
4390
5400
4370
3330
in.4 in.3 in. in.3
617
510
391
565
468
359
515
426
327
466
386
297
390
325
250
321
269
207
9880
8160
6250
8480
7010
5380
7210
5970
4580
6060
5020
3860
4680
3900
3000
3530
2950
2280
12.2
12.3
12.4
11.5
11.6
11.7
10.8
10.9
11.0
10.1
10.2
10.3
9.33
9.42
9.49
8.51
8.60
8.67
733
601
458
668
548
418
605
497
379
545
448
342
458
378
289
379
313
240
533
440
337
504
417
320
476
394
302
447
371
285
373
311
239
306
256
197
9.81
9.89
9.96
9.73
9.82
9.88
9.65
9.73
9.79
9.55
9.64
9.70
8.73
8.82
8.89
7.91
8.00
8.07
604
495
378
575
472
360
546
448
342
517
425
324
432
356
273
355
294
225
913
739
560
854
692
524
796
645
489
737
598
453
621
504
383
514
418
318
9.01
9.12
9.17
8.68
8.79
8.84
8.34
8.45
8.51
8.01
8.12
8.17
7.34
7.45
7.51
6.68
6.79
6.84
32
30
28
26
24
22
x
x
x
x
x
x
24
24
24
24
22
20
x
x
x
x
x
x
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
225.80
183.50
138.95
217.30
176.70
133.84
208.79
169.89
128.74
200.28
163.08
123.64
183.27
149.47
113.43
166.25
135.86
103.22
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
35.4
45.0
61.0
35.4
45.0
61.0
35.4
45.0
61.0
35.4
45.0
61.0
35.4
45.0
61.0
35.4
45.0
61.0
48.2
61.0
82.3
45.0
57.0
77.0
41.8
53.0
71.7
38.6
49.0
66.3
35.4
45.0
61.0
32.2
41.0
55.7
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t Y-Y Axis
ly
Sy
r y
Zy
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
This size produced by the submerged arc weld (SAW) process
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3
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
43.9
35.9
27.3
41.4
33.9
25.8
35.0
28.3
21.5
18.1
30.3
24.6
18.7
15.7
20.9
16.0
13.4
10.8
33.9
27.9
21.3
25.7
20.9
16.0
13.4
10.8
2210
1850
1440
1680
1410
1100
851
705
547
464
338
283
222
189
58.7
47.641.2
34.3
783
668
524
158
134
106
91.3
75.1
3960
3220
2450
3280
2670
2040
1890
1540
1180
997
916
757
586
496
195
156134
111
1740
1430
1100
462
387
302
257
210
259
218
169
236
199
154
188
155
120
101
144
119
92.6
78.6
83.8
65.756.0
45.8
161
138
108
103
85.6
66.9
57.0
46.5
2590
2180
1690
2360
1990
1540
1880
1550
1200
1010
1440
1190
926
786
838
657560
458
1450
1240
971
923
770
602
513
419
7.69
7.78
7.85
7.55
7.65
7.72
7.33
7.39
7.45
7.48
6.89
6.96
7.03
7.07
6.33
6.426.46
6.50
6.55
6.67
6.75
6.00
6.07
6.15
6.18
6.22
307
255
196
283
236
181
230
188
144
122
185
152
117
98.6
115
89.375.6
61.5
199
168
130
135
112
86.4
73.1
59.4
245
206
160
210
177
137
142
117
91.1
77.3
84.6
70.8
55.6
47.4
29.3
23.820.6
17.1
131
111
87.3
52.7
44.6
35.5
30.4
25.0
7.10
7.19
7.25
6.37
6.46
6.52
4.93
4.99
5.04
5.07
3.34
3.39
3.44
3.47
1.68
1.731.75
1.78
4.81
4.89
4.95
2.48
2.53
2.58
2.61
2.63
286
238
183
243
203
156
162
132
102
85.8
96.4
79.5
61.5
52.0
34.0
26.822.9
18.7
152
127
98.6
61.0
50.7
39.5
33.5
27.3
417
340
259
368
301
229
257
209
160
134
167
137
105
88.3
63.8
49.942.4
34.7
243
200
153
109
89.9
69.5
58.7
47.7
6.01
6.12
6.17
5.68
5.79
5.84
5.17
5.20
5.23
5.25
4.50
4.53
4.57
4.58
3.87
3.903.92
3.93
4.68
4.79
4.84
3.83
3.87
3.90
3.92
3.93
20
20
20
20
20
18
18
x
x
x
x
x
x
x
18
16
12
8
4
12
6
x
x
x
x
x
x
x
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8
1/2
3/8
5/16
5/8
1/2
3/8
5/16
1/2
3/85/16
1/4
5/8*
1/2*
3/8*
5/8
1/2
3/8
5/16
1/4
149.24
122.25
93.01
140.73
115.45
87.91
127.37
103.30
78.52
65.87
110.36
89.68
68.31
57.36
76.07
58.1048.86
39.43
115.21
95.03
72.59
93.34
76.07
58.10
48.86
39.43
0.625
0.500
0.375
0.625
0.500
0.375
0.581
0.465
0.349
0.291
0.581
0.465
0.349
0.291
0.465
0.3490.291
0.233
0.625
0.500
0.375
0.581
0.465
0.349
0.291
0.233
25.8
33.0
45.0
22.6
29.0
39.7
17.7
22.8
31.4
38.2
10.8
14.2
19.9
24.5
5.6
8.4610.7
14.2
16.2
21.0
29.0
7.3
9.9
14.2
17.6
22.8
29.0
37.0
50.3
29.0
37.0
50.3
31.4
40.0
54.3
65.7
31.4
40.0
54.3
65.7
40.0
54.365.7
82.8
25.8
33.0
45.0
28.0
35.7
48.6
58.9
74.3
in. in. in. Ib. in. in.2 in.4 in.3 in. in.3 in.4 in.3 ft.2 in.4 in.3 in. in.3
This size produced by the submerged arc weld (SAW) process
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4
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSSNominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
30.3
24.6
18.7
15.7
25.7
20.9
16.0
13.4
10.8
21.017.2
13.2
11.1
8.96
6.76
23.9
18.3
25.7
20.9
16.0
13.410.8
21.0
17.2
13.2
11.1
8.96
6.76
18.7
15.3
11.8
9.928.03
6.06
700
581
452
384
274
230
181
155
127
54.147
38.3
33.2
27.7
21.5
536
422
407
341
267
227186
124
105
84.1
72.3
59.6
45.9
47.2
41.2
33.6
29.224.4
19
1370
1120
862
727
681
563
436
369
300
174150
120
103
85.2
65.5
990
762
832
685
528
446362
334
279
219
186
152
116
148
127
102
87.772.4
55.8
136
113
87.7
74.4
102
84.9
66.3
56.4
46.1
67.356.9
45.0
38.5
31.6
24.2
96.9
76.3
98.2
81.8
63.9
54.344.3
68.3
57.4
45.3
38.7
31.7
24.3
53.3
45.3
36.0
30.925.4
19.5
1090
904
702
595
815
679
531
451
368
539455
360
308
253
193
678
534
687
573
447
380310
478
402
317
271
222
170
373
317
252
216178
137
6.00
6.06
6.12
6.15
5.64
5.70
5.77
5.8
5.83
5.065.15
5.23
5.27
5.31
5.35
5.32
5.40
5.17
5.23
5.29
5.325.35
4.77
4.84
4.91
4.94
4.98
5.01
4.47
4.55
4.63
4.674.71
4.74
165
135
104
87.7
129
106
82.1
69.4
56.4
92.977.3
60.2
51.1
41.7
31.7
116
90.0
120
98.8
76.3
64.652.4
88.7
73.6
57.3
48.6
39.6
30.1
73.1
61.0
47.8
40.633.2
25.3
117
96.8
75.3
64
68.5
57.6
45.3
38.7
31.7
27.023.5
19.1
16.6
13.8
10.8
89.3
70.4
81.5
68.1
53.4
45.537.2
41.2
35.1
28
24.1
19.9
15.3
23.6
20.6
16.8
14.612.2
9.48
4.80
4.86
4.91
4.94
3.27
3.32
3.37
3.4
3.42
1.601.65
1.71
1.73
1.76
1.78
4.73
4.8
3.98
4.04
4.09
4.124.14
2.43
2.48
2.53
2.55
2.58
2.61
1.59
1.64
1.69
1.721.74
1.77
135
111
85.5
72.2
79.2
65.5
50.8
43.0
35.0
32.527.4
21.7
18.5
15.2
11.7
104
81.2
95.1
78.5
60.7
51.441.8
48.4
40.4
31.6
26.9
22.0
16.7
28.5
24.1
19.1
16.413.5
10.3
204
166
127
107
132
108
83.4
70.4
57.0
60.550.7
39.7
33.8
27.6
21.1
154
118
146
120
91.8
77.462.6
83.7
69.3
53.7
45.5
36.9
28.0
52.6
44.1
34.6
29.524.1
18.4
4.50
4.53
4.57
4.58
3.83
3.87
3.90
3.92
3.93
3.173.20
3.23
3.25
3.27
3.28
4.12
4.17
3.83
3.87
3.90
3.923.93
3.17
3.20
3.23
3.25
3.27
3.28
2.83
2.87
2.90
2.922.93
2.95
16
16
16
14
14
14
14
x
x
x
x
x
x
x
12
8
4
12
10
6
4
x
x
x
x
x
x
x
5/8
1/2
3/8
5/16
5/8
1/2
3/8
5/16
5/8
1/23/8
5/16
1/4
3/16
1/2*
3/8*
5/8
1/2
3/8
5/16
1/4
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/43/16
110.36
89.68
68.31
57.36
93.34
76.07
58.10
48.86
39.43
76.3362.46
47.90
40.35
32.63
24.73
81.42
62.39
93.34
76.07
58.10
48.8639.43
76.33
62.46
47.90
40.35
32.63
24.73
67.82
55.66
42.79
36.1029.23
22.18
0.581
0.465
0.349
0.291
0.581
0.465
0.349
0.291
0.233
0.5810.465
0.349
0.291
0.233
0.174
0.500
0.375
0.581
0.465
0.349
0.2910.233
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.2910.233
0.174
17.7
22.8
31.4
38.2
10.8
14.2
19.9
24.5
31.3
3.885.6
8.46
10.7
14.2
20.0
21.0
29.0
14.2
18.5
25.7
31.439.9
7.3
9.9
14.2
17.6
22.8
31.5
3.88
5.60
8.46
10.714.2
20.0
24.5
31.4
42.8
52.0
24.5
31.4
42.8
52.0
65.7
24.531.4
42.8
52.0
65.7
89.0
25.0
34.3
21.1
27.1
37.1
45.157.1
21.1
27.1
37.1
45.1
57.1
77.5
21.1
27.1
37.1
45.157.1
77.5
in. in. in. Ib. in. in.2 in.4 in.3 in. in.3 in.4 in.3 ft.2 in.4 in.3 in. in.3
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
This size produced by the submerged arc weld (SAW) process
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 8/28
5
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
19.0
14.6
12.2
9.90
21.0
17.2
13.2
11.1
8.96
6.76
18.7
15.3
11.8
9.92
8.03
6.06
16.4
13.5
10.4
8.76
7.10
5.37
10.0
8.46
8.17
6.63
5.02
7.59
6.17
4.67
298
234
200
164
210
178
140
120
98.8
75.7
106
91.1
72.9
62.8
51.9
40.0
40.4
35.3
28.9
25.2
21.0
16.4
21.3
18.6
13.1
11.1
8.72
5.10
4.40
3.55
545
421
356
289
454
377
293
248
202
153
271
227
178
152
124
94.6
122
105
84.1
72.4
59.8
46.1
64.7
56.0
41.3
34.5
26.8
17.6
15.1
12.0
65.9
51.6
44.0
36.0
66.1
55.6
43.7
37.4
30.6
23.4
53.4
45.2
35.9
30.7
25.2
19.4
40.8
34.9
28.0
24.1
19.9
15.3
26.0
22.4
20.7
17.2
13.3
17.4
14.5
11.2
395
310
264
216
397
333
262
224
184
140
321
271
215
184
151
116
245
210
168
144
119
91.8
156
134
124
103
79.6
104
86.9
67.4
4.56
4.61
4.64
4.67
4.34
4.41
4.47
4.50
4.53
4.56
4.14
4.21
4.28
4.31
4.34
4.38
3.87
3.95
4.02
4.06
4.10
4.13
3.94
3.98
3.90
3.94
3.98
3.71
3.75
3.80
78.8
61.1
51.7
42.1
82.1
68.1
53.0
44.9
36.6
27.8
68.8
57.4
44.8
38.1
31.1
23.7
55.5
46.7
36.7
31.3
25.6
19.6
34.7
29.6
27.9
22.9
17.5
24.5
20.1
15.5
59.7
46.9
40.0
32.7
52.5
44.4
35.1
30.1
24.7
18.9
35.5
30.4
24.3
20.9
17.3
13.3
20.2
17.7
14.5
12.6
10.5
8.20
12.2
10.6
8.73
7.38
5.81
5.10
4.40
3.55
3.96
4.01
4.04
4.07
3.16
3.21
3.27
3.29
3.32
3.35
2.39
2.44
2.49
2.52
2.54
2.57
1.57
1.62
1.67
1.70
1.72
1.75
1.46
1.48
1.27
1.29
1.32
0.820
0.845
0.872
69.6
54.0
45.7
37.2
61.9
51.5
40.1
34.1
27.8
21.1
42.1
35.2
27.7
23.6
19.3
14.7
24.5
20.9
16.6
14.2
11.7
9.00
14.0
12.1
10.0
8.28
6.40
6.05
5.08
3.97
102
78.3
66.1
53.5
97.7
80.4
62.1
52.4
42.5
32.2
71.1
59.0
45.8
38.8
31.6
24.0
44.6
37.5
29.5
25.2
20.6
15.7
25.5
21.8
18.4
15.1
11.6
11.6
9.64
7.49
3.53
3.57
3.58
3.60
3.17
3.20
3.23
3.25
3.27
3.28
2.83
2.87
2.90
2.92
2.93
2.95
2.50
2.53
2.57
2.58
2.60
2.62
2.48
2.50
2.42
2.43
2.45
2.25
2.27
2.28
12
12
12
12
12
12
12
x
x
x
x
x
x
x
10
8
6
4
3 1/2
3
2
x
x
x
x
x
x
x
1/2
3/8
5/16
1/4
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
3/8
5/16
5/16
1/4
3/16
5/16
1/4
3/16
69.27
53.00
44.60
36.03
76.33
62.46
47.90
40.35
32.63
24.73
67.82
55.66
42.79
36.10
29.23
22.18
59.32
48.85
37.69
31.84
25.82
19.63
36.41
30.78
29.72
24.12
18.35
27.59
22.42
17.08
0.465
0.349
0.291
0.233
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.349
0.291
0.291
0.233
0.174
0.291
0.233
0.174
18.5
25.7
31.4
39.9
10.8
14.2
19.9
24.5
31.3
43.0
7.3
9.9
14.2
17.6
22.8
31.5
3.88
5.60
8.46
10.7
14.2
20.0
7.03
9.03
7.31
9.88
14.2
3.87
5.6
8.5
22.8
31.4
38.2
48.5
17.7
22.8
31.4
38.2
48.5
66.0
17.7
22.8
31.4
38.2
48.5
66.0
17.7
22.8
31.4
38.2
48.5
66.0
31.4
38.2
38.2
48.5
66.0
38.2
48.5
66.0
in. in. in. Ib. in. in.
2
in.4 in.3 in. in.3 in.4 in.3 ft.2
in.4
in.3
in.
in.3
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 9/28
6
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
18.7
15.3
11.8
9.928.03
6.06
16.4
13.5
10.4
8.76
7.10
5.37
9.67
8.17
6.635.02
14.0
11.6
8.97
7.59
6.17
4.67
3.16
11.1
8.62
7.305.93
4.50
3.04
8.27
7.01
5.70
4.32
2.93
7.58
6.43
5.243.98
2.70
178
151
120
10384.7
65.1
89.4
76.8
61.8
53.3
44.1
34.1
40.6
35.2
29.322.7
33.5
29.5
24.3
21.2
17.7
13.9
9.65
21.4
17.8
15.613.1
10.3
7.22
12.4
11.0
9.28
7.33
5.16
4.70
4.24
3.672.97
2.14
346
288
224
190155
118
209
176
139
118
96.7
73.8
100
86.0
70.754.1
95.7
82.6
66.5
57.3
47.4
36.5
25.1
63.2
51.5
44.637.0
28.6
19.8
37.8
33.0
27.6
21.5
14.9
15.9
14.2
12.29.74
6.90
50.5
42.7
33.9
29.023.8
18.3
40.2
34.3
27.3
23.5
19.4
14.9
24.1
20.8
17.213.2
29.9
25.8
20.8
18.0
14.9
11.6
7.97
23.7
19.2
16.613.8
10.7
7.40
17.6
15.3
12.7
9.87
6.83
14.3
12.5
10.58.19
5.70
253
214
169
145119
91.4
201
171
137
118
96.9
74.6
120
104
85.866.2
149
129
104
90.1
74.7
57.8
39.8
118
96.1
83.269.1
53.6
37.0
88.0
76.3
63.6
49.4
34.2
71.7
62.6
52.541.0
28.5
3.68
3.73
3.79
3.823.85
3.88
3.50
3.57
3.63
3.66
3.69
3.73
3.53
3.56
3.603.63
3.26
3.34
3.41
3.44
3.48
3.52
3.55
3.26
3.34
3.383.41
3.45
3.49
3.26
3.30
3.34
3.38
3.42
3.08
3.12
3.173.21
3.25
62.2
51.9
40.5
34.428.1
21.4
51.3
43.0
33.8
28.8
23.6
18.0
30.4
26.0
21.316.3
40.3
34.1
27.0
23.1
19.0
14.6
10.0
31.9
25.3
21.717.9
13.7
9.37
23.7
20.3
16.7
12.8
8.80
20.3
17.5
14.411.1
7.65
44.5
37.8
30.0
25.721.2
16.3
29.8
25.6
20.6
17.8
14.7
11.4
16.2
14.1
11.79.09
16.8
14.7
12.1
10.6
8.87
6.93
4.83
12.2
10.2
8.927.51
5.89
4.12
8.28
7.30
6.19
4.89
3.44
4.70
4.24
3.672.97
2.14
3.09
3.14
3.19
3.223.25
3.28
2.34
2.39
2.44
2.47
2.49
2.52
2.05
2.07
2.102.13
1.54
1.59
1.64
1.67
1.70
1.72
1.75
1.39
1.44
1.461.49
1.51
1.54
1.22
1.25
1.28
1.30
1.33
0.787
0.812
0.8380.864
0.890
53.3
44.5
34.8
29.624.2
18.4
35.8
30.1
23.7
20.2
16.6
12.7
18.7
16.0
13.210.1
20.6
17.6
14.0
12.1
10.0
7.66
5.26
14.7
11.8
10.28.45
6.52
4.48
9.73
8.42
6.99
5.41
3.74
5.76
5.06
4.263.34
2.33
80.4
66.4
51.4
43.535.3
26.7
58.6
48.7
37.9
32.2
26.2
19.9
31.2
26.5
21.616.5
36.7
31.0
24.4
20.9
17.1
13.1
8.90
26.5
21.1
18.014.8
11.4
7.75
17.7
15.2
12.5
9.64
6.61
11.0
9.56
7.996.22
4.31
2.83
2.87
2.90
2.922.93
2.95
2.50
2.53
2.57
2.58
2.60
2.62
2.40
2.42
2.432.45
2.17
2.20
2.23
2.25
2.27
2.28
2.30
2.12
2.15
2.172.18
2.20
2.22
2.07
2.08
2.10
2.12
2.13
1.90
1.92
1.931.95
1.97
10
10
10
10
10
10
10
x
x
x
x
x
x
x
8
6
5
4
3 1/2
3
2
x
x
x
x
x
x
x
5/8
1/2
3/8
5/161/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
3/8
5/16
1/43/16
5/8
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/161/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/43/16
1/8
67.82
55.66
42.79
36.1029.23
22.18
59.32
48.85
37.69
31.84
25.82
19.63
35.13
29.72
24.1218.35
50.81
42.05
32.58
27.59
22.42
17.08
11.56
40.34
31.31
26.5321.57
16.44
11.13
30.03
25.46
20.72
15.80
10.71
27.48
23.34
19.0214.53
9.86
0.581
0.465
0.349
0.2910.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.349
0.291
0.2330.174
0.581
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.2910.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.2330.174
0.116
10.8
14.2
19.9
24.531.3
43.0
7.3
9.9
14.2
17.6
22.8
31.5
11.3
14.2
18.525.7
3.88
5.60
8.46
10.7
14.2
20.0
31.5
4.53
7.03
9.0312.0
17.1
27.2
5.6
7.3
9.8
14.2
22.9
2.73
3.87
5.588.49
14.2
14.2
18.5
25.7
31.439.9
54.5
14.2
18.5
25.7
31.4
39.9
54.5
25.7
31.4
39.954.5
14.2
18.5
25.7
31.4
39.9
54.5
83.2
18.5
25.7
31.439.9
54.5
83.2
25.7
31.4
39.9
54.5
83.2
25.7
31.4
39.954.5
83.2
in.4 in.3 in. in.3 in.4 in.3 ft.2 in.4 in.3 in. in.3
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 10/28
7
Y
Y
X X
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
in. in. in. Ib. in. in.2
16.4
13.5
10.4
8.76
7.10
5.37
14.0
11.6
8.97
7.59
6.17
4.67
9.74
7.58
6.43
5.24
3.98
in.4 in.3 in. in.3 in.4 in.3 ft.2
117
100
80.4
69.2
57.2
44.1
52
45.2
36.8
32.0
26.6
20.7
13.2
11.2
9.88
8.38
6.64
235
197
154
131
107
81.7
128
109
86.9
74.4
61.2
46.9
40.0
33.1
28.9
24.2
18.9
in.4 in.3 in. in.3
38.7
33.0
26.4
22.6
18.7
14.4
29.6
25.5
20.5
17.7
14.7
11.4
18.0
14.7
12.8
10.7
8.35
174
149
119
102
84.1
64.7
133
115
92.5
79.8
66.1
51.1
80.8
66.3
57.7
48.2
37.6
3.26
3.32
3.38
3.41
3.44
3.47
3.08
3.14
3.21
3.24
3.27
3.31
2.88
2.96
3.00
3.04
3.07
48.3
40.5
31.8
27.1
22.2
16.9
38.5
32.5
25.7
22.0
18.1
13.8
24.6
19.7
16.9
14.0
10.8
33.5
28.7
23.0
19.8
16.3
12.6
20.8
18.1
14.7
12.8
10.6
8.28
8.81
7.45
6.59
5.59
4.42
2.68
2.73
2.78
2.81
2.84
2.87
1.92
1.97
2.03
2.05
2.08
2.10
1.17
1.21
1.24
1.27
1.29
40.5
34.0
26.7
22.8
18.7
14.3
25.3
21.5
17.1
14.6
12.0
9.25
10.8
8.80
7.63
6.35
4.92
62.0
51.5
40.0
33.9
27.6
20.09
42.5
35.6
27.9
23.8
19.4
14.8
19.7
15.8
13.6
11.3
8.66
2.50
2.53
2.57
2.58
2.60
2.62
2.17
2.20
2.23
2.25
2.27
2.28
1.87
1.90
1.92
1.93
1.95
9
9
9
x
x
x
7
5
3
x
x
x
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
1/2
3/8
5/16
1/4
3/16
59.32
48.85
37.69
31.84
25.82
19.63
50.81
42.05
32.58
27.59
22.42
17.08
35.24
27.48
23.34
19.02
14.53
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.465
0.349
0.291
0.233
0.174
9.0
12.1
17.1
21.1
27.0
37.2
5.61
7.75
11.3
14.2
18.5
25.7
3.45
5.60
7.31
9.88
14.2
12.5
16.4
22.8
27.9
35.6
48.7
12.5
16.4
22.8
27.9
35.6
48.7
16.4
22.8
27.9
35.6
48.7
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 11/28
8
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
in. in. in. Ib. in. in.2
14.0
11.6
8.97
7.59
6.17
4.67
11.7
9.74
7.58
6.43
5.24
3.98
2.70
8.81
6.88
5.85
4.77
3.63
2.46
6.18
5.26
4.30
3.28
2.23
in.4 in.3 in. in.3 in.4 in.3 ft.2
72.3
62.5
50.6
43.8
36.4
28.2
26.6
23.6
19.6
17.2
14.4
11.3
7.90
11.7
10.0
8.81
7.49
5.94
4.20
3.73
3.38
2.94
2.39
1.72
150
127
100
85.8
70.3
53.7
70.3
61.1
49.3
42.6
35.3
27.2
18.7
34.3
28.5
24.9
20.8
16.2
11.3
12.1
10.9
9.36
7.48
5.30
in.4 in.3 in. in.3
28.5
24.6
19.8
17.1
14.2
10.9
20.5
17.9
14.7
12.8
10.6
8.27
5.73
14.6
12.1
10.6
8.88
6.94
4.83
9.56
8.43
7.12
5.61
3.93
114
98.2
79.1
68.3
56.6
43.7
82.0
71.8
58.7
51.0
42.5
33.1
22.9
58.5
48.5
42.4
35.5
27.8
19.3
38.2
33.7
28.5
22.4
15.7
2.85
2.91
2.97
3.00
3.03
3.06
2.64
2.71
2.78
2.82
2.85
2.88
2.92
2.58
2.65
2.69
2.73
2.77
2.80
2.49
2.53
2.57
2.61
2.65
36.1
30.5
24.1
20.6
16.9
13.0
27.4
23.5
18.8
16.1
13.3
10.2
7.02
20.0
16.1
13.9
11.5
8,87
6.11
13.4
11.6
9.68
7.51
5.19
24.1
20.8
16.9
14.6
12.1
9.39
13.3
11.8
9.80
8.58
7.21
5.65
3.95
7.81
6.63
5.87
4.99
3.96
2.80
3.73
3.38
2.94
2.39
1.72
2.27
2.32
2.38
2.40
2.43
2.46
1.51
1.56
1.61
1.63
1.66
1.69
1.71
1.15
1.20
1.23
1.25
1.28
1.31
0.777
0.802
0.827
0.853
0.879
29.5
24.9
19.8
16.9
13.9
10.7
16.6
14.3
11.5
9.91
8.20
6.33
4.36
9.64
7.88
6.84
5.70
4.43
3.07
4.61
4.06
3.43
2.70
1.90
46.0
38.4
30.0
25.5
20.8
15.8
28.7
24.4
19.3
16.5
13.6
10.4
7.10
17.4
14.0
12.1
10.0
7.68
5.27
8.65
7.57
6.35
4.95
3.44
2.17
2.20
2.23
2.25
2.27
2.28
1.83
1.87
1.90
1.92
1.93
1.95
1.97
1.70
1.73
1.75
1.77
1.78
1.80
1.57
1.58
1.60
1.62
1.63
8
8
8
8
x
x
x
x
6
4
3
2
x
x
x
x
x
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
50.81
42.05
32.58
27.59
22.42
17.08
42.30
35.24
27.48
23.34
19.02
14.53
9.86
31.84
24.93
21.21
17.32
13.25
9.01
22.37
19.08
15.62
11.97
8.16
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
7.3
9.9
14.2
17.6
22.8
31.5
3.8
5.6
8.46
10.7
14.2
20.0
31.5
3.45
5.60
7.31
9.88
14.2
22.9
2.73
3.87
5.58
8.49
14.2
7.3
9.9
14.2
17.6
22.8
31.5
3.8
5.6
8.46
10.7
14.2
20.0
31.5
3.45
5.60
7.31
9.88
14.2
22.9
2.73
3.87
5.58
8.49
14.2
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional
Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 12/28
9
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
in. in. in. Ib. in. in.2
9.74
7.58
6.43
5.24
3.98
2.70
8.81
6.88
5.85
4.77
3.63
2.46
7.88
6.18
5.26
4.30
3.28
2.23
3.84
2.93
2.00
in.4 in.3 in. in.3 in.4 in.3 ft.2
35.6
29.3
25.5
21.3
16.6
11.6
20.7
17.3
15.2
12.8
10.0
7.03
10.2
8.71
7.74
6.60
5.24
3.71
2.58
2.10
1.52
27.2
21.4
18.3
15.0
11.4
7.79
21.1
16.8
14.4
11.8
9.07
6.20
15.0
12.1
10.5
8.68
6.69
4.60
5.52
4.32
3.00
in.4 in.3 in. in.3
17.3
14.1
12.3
10.2
7.96
5.52
14.5
11.9
10.4
8.72
6.81
4.73
11.6
9.73
8.54
7.19
5.65
3.95
5.67
4.49
3.16
60.6
49.5
43.0
35.9
27.9
19.3
50.7
41.8
36.5
30.5
23.8
16.6
40.7
34.1
29.9
25.2
19.8
13.8
19.8
15.7
11.1
2.50
2.56
2.59
2.62
2.65
2.68
2.40
2.46
2.50
2.53
2.56
2.59
2.27
2.35
2.38
2.42
2.45
2.49
2.27
2.31
2.35
21.9
17.5
15.0
12.4
9.52
6.53
18.8
15.1
13.1
10.8
8.33
5.73
15.8
12.8
11.1
9.22
7.14
4.93
7.64
5.95
4.13
14.2
11.7
10.2
8.53
6.65
4.63
10.4
8.63
7.58
6.38
5.02
3.51
6.80
5.81
5.16
4.40
3.50
2.48
2.58
2.10
1.52
1.91
1.97
1.99
2.02
2.05
2.07
1.53
1.58
1.61
1.64
1.66
1.69
1.14
1.19
1.21
1.24
1.26
1.29
0.819
0.845
0.871
17.3
13.8
11.9
9.83
7.57
5.20
12.6
10.2
8.83
7.33
5.67
3.91
8.46
6.95
6.05
5.06
3.94
2.73
3.02
2.39
1.68
27.2
21.4
18.3
15.0
11.4
7.79
21.1
16.8
14.4
11.8
9.07
6.20
15.0
12.1
10.5
8.68
6.69
4.60
5.52
4.32
3.00
1.87
1.90
1.92
1.93
1.95
1.97
1.70
1.73
1.75
1.77
1.78
1.80
1.53
1.57
1.58
1.60
1.62
1.63
1.43
1.45
1.47
7
7
7
7
x
x
x
x
5
4
3
2
x
x
x
x
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
1/4
3/16
1/8
35.24
27.48
23.34
19.02
14.53
9.86
31.84
24.93
21.21
17.32
13.25
9.01
28.43
22.37
19.08
15.62
11.97
8.16
13.91
10.7
7.31
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.233
0.174
0.116
7.75
11.3
14.2
18.5
25.7
40.1
5.60
8.46
10.7
14.2
20.0
31.5
3.45
5.60
7.31
9.88
14.2
22.9
5.58
8.49
14.2
12.1
17.1
21.1
27.0
37.2
57.3
12.1
17.1
21.1
27.0
37.2
57.3
12.1
17.1
21.1
27.0
37.2
57.3
27.0
37.2
57.3
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 13/28
10
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
in. in. in. Ib. in. in.2
8.81
6.88
5.85
4.77
3.63
2.46
7.88
6.18
5.26
4.30
3.28
2.23
6.95
5.48
4.68
3.84
2.93
2.00
4.78
4.10
3.37
2.58
1.77
in.4 in.3 in. in.3 in.4 in.3 ft.2
30.8
25.5
22.3
18.7
14.6
10.2
17.8
14.9
13.2
11.1
8.76
6.15
8.69
7.48
6.67
5.70
4.55
3.23
2.77
2.52
2.21
1.80
1.31
59.8
48.1
41.4
34.2
26.3
18.0
40.3
32.8
28.4
23.6
18.2
12.6
23.1
19.3
16.9
14.2
11.1
7.73
8.42
7.60
6.55
5.24
3.72
in.4 in.3 in. in.3
13.7
11.3
9.85
8.25
6.44
4.48
11.3
9.43
8.27
6.96
5.46
3.81
8.95
7.57
6.69
5.66
4.47
3.14
5.71
5.11
4.37
3.49
2.47
41.1
33.9
29.6
24.7
19.3
13.4
34.0
28.3
24.8
20.9
16.4
11.4
26.8
22.7
20.1
17.0
13.4
9.43
17.1
15.3
13.1
10.5
7.42
2.16
2.22
2.25
2.28
2.31
2.34
2.08
2.14
2.17
2.20
2.23
2.26
1.97
2.04
2.07
2.10
2.14
2.17
1.89
1.93
1.97
2.01
2.05
17.2
13.8
11.9
9.87
7.62
5.24
14.6
11.9
10.3
8.53
6.60
4.56
12.1
9.90
8.61
7.19
5.59
3.87
7.93
6.95
5.84
4.58
3.19
12.3
10.2
8.91
7.47
5.84
4.07
8.89
7.47
6.58
5.56
4.38
3.08
5.79
4.99
4.45
3.80
3.03
2.15
2.77
2.52
2.21
1.80
1.31
1.87
1.92
1.95
1.98
2.01
2.03
1.50
1.55
1.58
1.61
1.63
1.66
1.12
1.17
1.19
1.22
1.25
1.27
0.760
0.785
0.810
0.836
0.861
15.2
12.2
10.5
8.72
6.73
4.63
11.0
8.94
7.75
6.45
5.00
3.46
7.28
6.03
5.27
4.41
3.45
2.40
3.46
3.07
2.61
2.07
1.46
23.0
18.2
15.6
12.8
9.76
6.66
17.8
14.2
12.2
10.1
7.74
5.30
12.7
10.3
8.91
7.39
5.71
3.93
6.35
5.58
4.70
3.68
2.57
1.70
1.73
1.75
1.77
1.78
1.80
1.53
1.57
1.58
1.60
1.62
1.63
1.37
1.40
1.42
1.43
1.45
1.47
1.23
1.25
1.27
1.28
1.30
6
6
6
6
x
x
x
x
5
4
3
2
x
x
x
x
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
31.84
24.93
21.21
17.32
13.25
9.01
28.43
22.37
19.08
15.62
11.97
8.16
25.03
19.82
16.96
13.91
10.70
7.31
17.27
14.83
12.21
9.42
6.46
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
7.75
11.3
14.2
18.5
25.7
40.1
5.6
8.4
10.7
14.2
20.0
31.5
3.45
5.60
7.31
9.88
14.2
22.9
2.73
3.87
5.58
8.49
14.2
9.90
14.2
17.6
22.8
31.5
48.7
9.9
14.2
17.6
22.8
31.5
48.7
9.9
14.2
17.6
22.8
31.5
48.7
14.2
17.6
22.8
31.5
48.7
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 14/28
11
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
in. in. in. Ib. in. in.2
6.95
5.48
4.68
3.84
2.93
2.00
6.02
4.78
4.10
3.37
2.58
1.77
3.14
2.41
1.65
4.09
3.52
2.91
2.24
1.54
in.4 in.3 in. in.3 in.4 in.3 ft.2
14.9
12.6
11.1
9.46
7.48
5.27
7.18
6.25
5.60
4.81
3.85
2.75
3.13
2.53
1.82
2.28
2.10
1.84
1.51
1.10
30.3
24.9
21.7
18.0
14.0
9.66
17.6
14.9
13.1
11.0
8.64
6.02
7.93
6.26
4.40
6.61
5.99
5.17
4.15
2.95
in.4 in.3 in. in.3
8.49
7.17
6.32
5.35
4.22
2.97
6.57
5.65
5.03
4.29
3.41
2.41
3.76
3.01
2.14
4.14
3.74
3.23
2.60
1.86
21.2
17.9
15.8
13.4
10.6
7.42
16.4
14.1
12.6
10.7
8.53
6.03
9.40
7.51
5.34
10.4
9.35
8.08
6.50
4.65
1.75
1.81
1.84
1.87
1.90
1.93
1.65
1.72
1.75
1.78
1.82
1.85
1.73
1.77
1.80
1.59
1.63
1.67
1.70
1.74
10.9
8.96
7.79
6.49
5.05
3.50
8.83
7.34
6.42
5.38
4.21
2.93
4.83
3.79
2.65
5.71
5.05
4.27
3.37
2.37
7.43
6.30
5.57
4.73
3.74
2.64
4.78
4.16
3.73
3.21
2.57
1.83
2.50
2.03
1.46
2.28
2.10
1.84
1.51
1.10
1.46
1.52
1.54
1.57
1.60
1.62
1.09
1.14
1.17
1.19
1.22
1.25
0.999
1.02
1.05
0.748
0.772
0.797
0.823
0.848
9.35
7.67
6.67
5.57
4.34
3.01
6.10
5.10
4.48
3.77
2.96
2.07
2.95
2.33
1.64
2.88
2.57
2.20
1.75
1.24
14.5
11.7
10.1
8.32
6.41
4.39
10.3
8.44
7.33
6.10
4.73
3.26
4.99
3.89
2.70
5.20
4.59
3.88
3.05
2.13
1.37
1.40
1.42
1.43
1.45
1.47
1.20
1.23
1.25
1.27
1.28
1.30
1.18
1.20
1.22
1.07
1.08
1.10
1.12
1.13
5
5
5
5
x
x
x
x
4
3
2 1/2
2
x
x
x
x
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
1/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
25.03
19.82
16.96
13.91
10.70
7.31
21.63
17.27
14.83
12.21
9.42
6.46
11.36
8.78
6.03
14.72
12.70
10.51
8.15
5.61
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
5.60
8.46
10.7
14.2
20.0
31.5
3.45
5.60
7.31
9.88
14.2
22.9
7.7
11.4
18.6
2.73
3.87
5.58
8.49
14.2
7.75
11.3
14.2
18.5
25.7
40.1
7.75
11.3
14.2
18.5
25.7
40.1
18.5
25.7
40.1
11.3
14.2
18.5
25.7
40.1
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
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12
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
in. in. in. Ib. in. in.2
4.09
3.52
2.91
2.24
1.54
3.74
3.232.67
2.06
1.42
3.39
2.94
2.44
1.89
1.30
in.4 in.3 in. in.3 in.4 in.3 ft.2
5.01
4.52
3.91
3.16
2.27
3.17
2.89
2.53
2.06
1.49
1.80
1.67
1.48
1.22
0.898
10.6
9.41
7.96
6.26
4.38
7.57
6.77
5.78
4.59
3.23
4.83
4.40
3.82
3.08
2.20
in.4 in.3 in. in.3
3.97
3.57
3.07
2.47
1.76
3.38
3.07
2.66
2.15
1.54
2.80
2.56
2.25
1.83
1.32
7.93
7.14
6.15
4.93
3.52
6.77
6.13
5.32
4.30
3.09
5.60
5.13
4.49
3.66
2.65
1.39
1.42
1.45
1.49
1.52
1.35
1.38
1.41
1.44
1.47
1.29
1.32
1.36
1.39
1.43
5.12
4.51
3.81
3.00
2.11
4.48
3.97
3.38
2.67
1.88
3.84
3.43
2.94
2.34
1.66
3.34
3.02
2.61
2.10
1.51
2.54
2.32
2.02
1.65
1.19
1.80
1.67
1.48
1.22
0.898
1.11
1.13
1.16
1.19
1.21
0.922
0.947
0.973
0.999
1.030
0.729
0.754
0.779
0.804
0.830
4.18
3.69
3.12
2.46
1.73
3.20
2.85
2.43
1.93
1.36
2.31
2.08
1.79
1.43
1.02
6.59
5.75
4.81
3.74
2.59
5.32
4.67
3.93
3.08
2.14
4.04
3.59
3.05
2.41
1.69
1.07
1.08
1.10
1.12
1.13
0.98
1.00
1.02
1.03
1.05
0.90
0.92
0.93
0.95
0.97
4
4
4
x
x
x
3
2 1/2
2
x
x
x
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
14.72
12.70
10.51
8.15
5.61
13.44
11.64
9.66
7.51
5.18
12.17
10.58
8.81
6.87
4.75
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
5.60
7.31
9.88
14.2
22.9
4.16
5.59
7.73
11.4
18.6
2.73
3.87
5.58
8.49
14.2
8.46
10.7
14.2
20.0
31.5
8.46
10.7
14.2
20.0
31.5
8.46
10.7
14.2
20.0
31.5
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
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13
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional Area
X-X Axis
lx
Sx
r x
Zx
3.39
2.94
2.44
1.89
1.30
2.21
1.711.19
1.97
1.54
1.07
2.64
2.21
1.71
1.19
2.35
1.97
1.54
1.07
1.74
1.37
0.96
2.77
2.54
2.23
1.82
1.33
1.93
1.591.16
0.638
0.544
0.411
2.18
1.93
1.59
1.16
1.24
1.11
0.932
0.692
0.543
0.467
0.355
6.16
5.53
4.75
3.78
2.67
3.74
3.002.13
1.79
1.49
1.09
4.34
3.74
3.00
2.13
2.87
2.52
2.05
1.47
1.44
1.21
0.886
2.72
2.48
2.17
1.76
1.28
1.72
1.411.03
1.46
1.21
0.896
1.94
1.72
1.41
1.03
1.59
1.42
1.18
0.867
1.12
0.945
0.706
4.75
4.34
3.79
3.09
2.23
2.57
2.111.54
2.55
2.12
1.57
2.92
2.57
2.11
1.54
2.38
2.13
1.77
1.30
1.68
1.42
1.06
1.18
1.22
1.25
1.28
1.31
1.08
1.111.14
1.14
1.17
1.21
1.05
1.08
1.11
1.14
1.01
1.04
1.07
1.10
0.982
1.02
1.05
3.59
3.20
2.74
2.18
1.54
2.16
1.731.23
1.98
1.60
1.15
2.51
2.16
1.73
1.23
2.11
1.83
1.48
1.06
1.51
1.24
0.895
2.21
2.03
1.78
1.46
1.06
1.54
1.270.931
0.851
0.725
0.548
1.74
1.54
1.27
0.931
1.24
1.11
0.932
0.692
0.725
0.622
0.474
0.904
0.930
0.956
0.983
1.01
0.935
0.9630.990
0.569
0.594
0.619
0.908
0.935
0.963
0.990
0.725
0.751
0.778
0.804
0.559
0.584
0.610
2.82
2.52
2.16
1.72
1.22
1.90
1.521.09
1.06
0.867
0.630
2.20
1.90
1.52
1.09
1.58
1.38
1.12
0.803
0.911
0.752
0.550
4.57
4.03
3.40
2.67
1.87
2.87
2.271.59
1.88
1.51
1.08
3.39
2.87
2.27
1.59
2.60
2.23
1.78
1.25
1.58
1.28
0.920
0.90
0.92
0.93
0.95
0.97
0.85
0.870.88
0.77
0.78
0.80
0.83
0.85
0.87
0.88
0.75
0.77
0.78
0.80
0.68
0.70
0.72
31/2
31/2
31/2
3
3
3
x
x
x
x
x
x
2 1/2
2
11/2
2 1/2
2
11/2
x
x
x
x
x
x
3/8
5/16
1/4
3/16
1/8
1/4
3/161/8
1/4
3/16
1/8
5/16
1/4
3/16
1/8
5/16
1/4
3/16
1/8
1/4
3/16
1/8
12.17
10.58
8.81
6.87
4.75
7.96
6.23
4.33
7.11
5.59
3.90
9.51
7.96
6.23
4.33
8.45
7.11
5.59
3.90
6.26
4.96
3.48
0.349
0.291
0.233
0.174
0.116
0.233
0.174
0.116
0.233
0.174
0.116
0.291
0.233
0.174
0.116
0.291
0.233
0.174
0.116
0.233
0.174
0.116
4.16
5.59
7.73
11.4
18.6
7.73
11.4
18.6
3.44
5.62
9.93
5.59
7.73
11.4
18.6
3.87
5.58
8.49
14.2
3.44
5.62
9.93
7.03
9.03
12.0
17.1
27.2
9.88
14.2
22.9
12.0
17.1
27.2
7.31
9.88
14.2
22.9
7.31
9.88
14.2
22.9
9.88
14.2
22.9
in. in. in. Ib. in. in.2 in.4 in.3 in. in.3 in.4 in.3 ft.2 in.4 in.3 in. in.3
7/29/2019 Tech Brochure Dimensions and Section Properties
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14
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
Y
Y
X X
DIMENSIONS AND SECTION PROPERTIES OF RECTANGULAR HSS
in. in. in. Ib. in. in.2
1.19
0.84
1.74
1.37
0.956
1.511.19
0.84
1.02
0.724
1.28
0.898
1.02
0.72
0.845
0.608
in.4 in.3 in. in.3 in.4 in.3 ft.2
0.173
0.138
0.930
0.786
0.589
0.4490.390
0.300
0.143
0.115
0.713
0.538
0.313
0.244
0.112
0.0922
0.526
0.408
1.90
1.55
1.12
1.100.929
0.687
0.412
0.322
1.32
0.957
0.664
0.496
0.301
0.238
in.4 in.3 in. in.3
0.713
0.545
1.06
0.894
0.667
0.8220.705
0.535
0.517
0.403
0.764
0.574
0.495
0.383
0.350
0.280
1.07
0.817
1.33
1.12
0.833
1.030.882
0.668
0.646
0.503
0.859
0.646
0.495
0.383
0.350
0.280
0.947
0.987
0.874
0.904
0.934
0.8260.860
0.892
0.796
0.834
0.819
0.848
0.697
0.728
0.643
0.679
0.989
0.728
1.37
1.12
0.809
1.110.915
0.671
0.713
0.532
0.952
0.693
0.639
0.475
0.480
0.366
0.345
0.276
0.930
0.786
0.589
0.5990.520
0.399
0.285
0.230
0.713
0.538
0.417
0.325
0.225
0.184
0.380
0.405
0.731
0.758
0.785
0.5460.572
0.597
0.374
0.399
0.747
0.774
0.554
0.581
0.365
0.390
0.432
0.325
1.17
0.956
0.694
0.7640.636
0.469
0.360
0.274
0.877
0.639
0.521
0.389
0.288
0.223
0.792
0.585
1.82
1.46
1.04
1.291.05
0.759
0.648
0.483
1.30
0.927
0.822
0.599
0.505
0.380
0.62
0.63
0.68
0.70
0.72
0.600.62
0.63
0.53
0.55
0.66
0.68
0.53
0.55
0.45
0.47
3
2 1/2
2 1/2
2 1/2
2 1/4
2
2
x
x
x
x
x
x
x
1
2
11/2
1
2
11/2
1
x
x
x
x
x
x
x
3/16
1/8
3/16
1/8
1/4
1/43/16
1/8
3/16
1/8
3/16
1/8
3/16
1/8
3/16
1/8
4.32
3.05
6.26
4.96
3.48
5.41
4.32
3.05
3.68
2.63
4.64
3.27
3.68
2.63
3.04
2.20
0.174
0.116
0.233
0.174
0.116
0.233
0.174
0.116
0.174
0.116
0.174
0.116
0.174
0.116
0.174
0.116
2.75
5.62
5.58
8.49
14.2
3.44
5.62
9.93
2.75
5.62
8.49
14.2
5.62
9.93
2.75
5.62
14.2
22.9
7.73
11.4
18.6
7.73
11.4
18.6
11.4
18.6
9.93
16.4
8.49
14.2
8.49
14.2
Nominal Size Weight
per Foot
Wall
Thicknesst
b/t h/t Y-Y Axis
lx
Sx
r x
Zx
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
Cross
Sectional Area
X-X Axis
lx
Sx
r x
Zx
7/29/2019 Tech Brochure Dimensions and Section Properties
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15
DIMENSIONS AND SECTION PROPERTIES ROPERTIES OF SQUARE HSS
This size produced by the submerged arc weld (SAW) process
in. in. in. Ib. in. in.2
76.4
61.9
46.8
71.4
57.9
43,8
66.4
53.940.8
61.4
49.9
37.8
56.4
45.9
34.8
51.4
45.9
31.8
46.4
37.9
28.8
41.4
33.9
25.8
35.0
28.3
21.5
18.1
12300
10100
7750
10100
8320
6370
8140
67305150
6460
5350
4110
5030
4170
3210
3820
3190
2460
2830
2370
1830
2020
1700
1320
1370
1130
873
739
19700
15900
12000
16200
13000
9870
13100
106008010
10500
8430
6400
8180
6610
5020
6260
5070
3850
4670
3790
2880
3370
2740
2090
2170
1770
1350
1140
in.4 in.3 in. in.3
771
634
485
673
555
424
582
480368
497
411
316
419
348
268
347
290
223
283
237
183
224
189
147
171
141
109
92.3
12.7
12.8
12.9
11.9
12.0
12.1
11.1
11.211.2
10.3
10.4
10.4
9.44
9.53
9.60
8.62
8.72
8.78
6.99
7.90
7.97
6.99
7.08
7.15
6.25
6.31
6.37
63.9
890
727
553
778
637
485
674
552421
577
474
362
487
401
307
406
335
256
264
275
211
264
220
169
200
164
126
106
37 1230
991
750
1070
869
658
933
755572
801
649
492
679
551
418
567
461
350
465
379
288
373
305
232
276
224
171
144
10.34
10.45
10.51
9.68
9.79
9.84
9.01
9.129.17
8.34
8.45
8.51
7.68
7.79
7.84
7.01
7.12
7.17
6.34
6.45
6.51
5.68
5.79
5.84
5.17
5.20
5.23
5.25
32
30
28
26
24
22
20
18
16
x
x
x
x
x
x
x
x
x
32
30
28
26
24
22
20
18
16
x
x
x
x
x
x
x
x
x
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8*
1/2*
3/8*
5/8
1/2
3/8
5/16
259.83
210.72
159.37
242.82
197.11
149.16
225.80
183.50138.95
208.79
169.89
128.74
191.78
156.28
118.53
174.76
142.67
108.32
157.75
129.06
98.12
140.73
115.45
87.91
127.37
103.30
78.52
65.87
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.5000.375
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
0.625
0.500
0.375
0.581
0.465
0.349
0.291
48.2
61.0
82.3
45.0
57.0
77.0
41.8
53.071.7
38.6
49.0
66.3
35.4
45.0
61.0
32.2
41.0
55.7
29.0
37.0
50.3
25.8
33.0
45.0
24.5
31.4
42.8
52.0
48.2
61.0
82.3
45.0
57.0
77.0
41.8
53.071.7
38.6
49.0
66.3
35.4
45.0
61.0
32.2
41.0
55.7
29.0
37.0
50.3
25.8
33.0
45.0
24.5
31.4
42.8
52.0
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area lx
Sx
r x
Zx
Y
Y
X X
in.4 in.3 ft.2
7/29/2019 Tech Brochure Dimensions and Section Properties
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16
DIMENSIONS AND SECTION PROPERTIES OF SQUARE HSS
in. in. in. Ib. in. in.2
30.3
24.6
18.7
15.7
25.7
20.9
16.0
13.4
10.8
8.15
21.0
17.2
13.2
11.1
8.96
6.76
18.7
15.3
11.8
9.92
8.03
6.06
4.09
16.4
13.5
10.4
8.76
7.10
5.37
3.62
14.0
11.6
8.97
7.59
6.174.67
3.16
897
743
577
490
548
457
357
304
248
189
304
256
202
172
141
108
216
183
145
124
102
78.2
53.5
146
125
100
85.6
70.7
54.4
37.4
93.4
80.5
65.0
56.1
46.536.0
24.8
1430
1170
900
759
885
728
561
474
384
290
498
412
320
271
220
167
356
296
231
196
159
121
82.0
244
204
160
136
111
84.5
57.3
158
133
105
89.7
73.556.1
38.2
in.4 in.3 in. in.3
128
106
82.5
69.9
91.4
76.2
59.5
50.7
41.4
31.5
60.8
51.2
40.4
34.5
28.3
21.6
47.9
40.6
32.2
27.6
22.7
17.4
11.9
36.5
31.2
24.9
21.4
17.7
13.6
9.34
26.7
23.0
18.6
16.0
13.310.3
7.09
5.44
5.49
5.55
5.58
4.62
4.68
4.73
4.76
4.79
4.82
3.80
3.86
3.92
3.94
3.97
4.00
3.40
3.45
3.51
3.54
3.56
3.59
3.62
2.99
3.04
3.10
3.13
3.15
3.18
3.21
2.58
2.63
2.69
2.72
2.752.77
2.80
151
124
95.4
80.5
109
89.6
69.2
58.6
47.6
36.0
73.2
60.7
47.2
40.1
32.7
24.8
58.1
48.4
37.8
32.1
26.2
20.0
13.6
44.7
37.5
29.4
25.1
20.5
15.7
10.7
33.1
27.9
22.1
18.9
15.511.9
8.13
208
170
130
109
151
123
94.6
79.7
64.5
48.6
102
84.2
64.8
54.8
44.4
33.6
81.6
67.4
52.1
44.0
35.8
27.1
18.3
63.2
52.4
40.7
34.5
28.1
21.3
14.4
47.1
39.3
30.7
26.1
21.316.2
11.0
4.50
4.53
4.57
4.58
3.83
3.87
3.90
3.92
3.93
3.95
3.17
3.20
3.23
3.25
3.27
3.28
2.80
2.87
2.90
2.92
2.93
2.95
2.97
2.50
2.53
2.57
2.58
2.60
2.62
2.63
2.17
2.20
2.23
2.25
2.272.28
2.30
14
12
10
9
8
7
x
x
x
x
x
x
14
12
10
9
8
7
x
x
x
x
x
x
5/8
1/2
3/8
5/16
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
5/8
1/2
3/8
5/16
1/4
3/16
1/8
5/8
1/2
3/8
5/16
1/4
3/16
1/8
5/8
1/2
3/8
5/16
1/43/16
1/8
110.36
89.68
68.31
57.36
93.34
76.07
58.10
48.86
39.43
29.84
76.33
62.46
47.90
40.35
32.63
24.73
67.82
55.66
42.79
36.10
29.23
22.18
14.96
59.32
48.85
37.69
31.84
25.82
19.63
13.26
50.81
42.05
32.58
27.59
22.4217.08
11.56
0.581
0.465
0.349
0.291
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.581
0.465
0.349
0.291
0.233
0.174
0.116
0.581
0.465
0.349
0.291
0.233
0.174
0.116
0.581
0.465
0.349
0.291
0.2330.174
0.116
21.1
27.1
37.1
45.1
17.7
22.8
31.4
38.2
48.5
66.0
14.2
18.5
25.7
31.4
39.9
54.5
12.5
16.4
22.8
27.9
35.6
48.7
74.6
10.8
14.2
19.9
24.5
31.3
43.0
66.0
9.05
12.1
17.1
21.1
27.037.2
57.3
21.1
27.1
37.1
45.1
17.7
22.8
31.4
38.2
48.5
66.0
14.2
18.5
25.7
31.4
39.9
54.5
12.5
16.4
22.8
27.9
35.6
48.7
74.6
10.8
14.2
19.9
24.5
31.3
43.0
66.0
9.05
12.1
17.1
21.1
27.037.2
57.3
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area lx
Sx
r x
Zx
Y
Y
X X
in.4 in.3 ft.2
7/29/2019 Tech Brochure Dimensions and Section Properties
http://slidepdf.com/reader/full/tech-brochure-dimensions-and-section-properties 20/28
17
DIMENSIONS AND SECTION PROPERTIES OF SQUARE HSS
in. in. in. Ib. in. in.2
11.7
9.74
7.58
6.43
5.24
3.98
2.70
6.88
5.85
4.77
3.63
2.46
7.88
6.18
5.26
4.30
3.28
2.23
6.95
5.48
4.68
3.84
2.93
2.00
6.02
4.78
4.10
3.37
2.58
1.77
55.2
48.3
39.5
34.3
28.6
22.3
15.5
29.7
25.9
21.7
17.0
11.8
26.0
21.7
19.0
16.0
12.6
8.80
18.1
15.3
13.5
11.4
9.02
6.35
11.9
10.3
9.14
7.80
6.21
4.40
94.9
81.1
64.6
55.4
45.6
35.0
23.9
49.0
42.2
34.8
26.7
18.3
44.6
36.1
31.2
25.8
19.9
13.7
31.3
25.7
22.3
18.5
14.4
9.92
21.0
17.5
15.3
12.8
10.0
6.91
in.4 in.3 in. in.3
18.4
16.1
13.2
11.4
9.54
7.42
5.15
10.8
9.43
7.90
6.17
4.30
10.4
8.68
7.62
6.41
5.03
3.52
8.03
6.79
6.00
5.08
4.01
2.82
5.97
5.13
4.57
3.90
3.10
2.20
2.17
2.23
2.28
2.31
2.34
2.37
2.39
2.08
2.11
2.13
2.16
2.19
1.82
1.87
1.90
1.93
1.96
1.99
1.61
1.67
1.70
1.73
1.75
1.78
1.41
1.47
1.49
1.52
1.55
1.58
23.2
19.8
15.8
13.6
11.2
8.63
5.92
13.1
11.3
9.32
7.19
4.95
13.1
10.6
9.16
7.61
5.89
4.07
10.2
8.36
7.27
6.06
4.71
3.27
7.70
6.39
5.59
4.69
3.67
2.56
33.4
28.1
22.1
18.9
15.4
11.8
8.03
18.4
15.7
12.9
9.85
6.72
18.7
14.9
12.8
10.5
8.08
5.53
14.8
11.9
10.2
8.44
6.49
4.45
11.2
9.14
7.91
6.56
5.07
3.49
1.83
1.87
1.90
1.92
1.93
1.95
1.97
1.73
1.75
1.77
1.78
1.80
1.53
1.57
1.58
1.60
1.62
1.63
1.37
1.40
1.42
1.43
1.45
1.47
1.20
1.23
1.25
1.27
1.28
1.30
6
5 1/2
5
4 1/2
4
x
x
x
x
x
6
5 1/2
5
4 1/2
4
x
x
x
x
x
5/8
1/2
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
1/2
3/8
5/16
1/4
3/16
1/8
42.30
35.24
27.48
23/34
19.02
14.53
9.86
24.93
21.21
17.32
13.25
9.01
28.43
22.37
19.08
15.62
11.97
8.16
25.03
19.82
16.96
13.91
10.70
7.31
21.63
17.27
14.83
12.21
9.42
6.46
0.581
0.465
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
0.465
0.349
0.291
0.233
0.174
0.116
7.3
9.9
14.2
17.6
22.8
31.5
48.7
12.8
15.9
20.6
28.6
44.4
7.75
11.3
14.2
18.5
25.7
40.1
6.68
9.89
12.5
16.3
22.9
35.8
5.60
8.46
10.7
14.2
20.0
31.5
7.3
9.9
14.2
17.6
22.8
31.5
48.7
12.8
15.9
20.6
28.6
44.4
7.75
11.3
14.2
18.5
25.7
40.1
6.68
9.89
12.5
16.3
22.9
35.8
5.60
8.46
10.7
14.2
20.0
31.5
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per FootCross
Sectional
Area lx
Sx
r x
Zx
Y
Y
X X
in.4 in.3 ft.2
7/29/2019 Tech Brochure Dimensions and Section Properties
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18
DIMENSIONS AND SECTION PROPERTIES OF SQUARE HSS
in. in. in. Ib. in. in.2
4.09
3.52
2.91
2.24
1.54
3.39
2.94
2.441.89
1.30
2.35
1.97
1.54
1.07
1.74
1.37
0.96
1.511.19
0.84
6.49
5.84
5.04
4.05
2.90
3.78
3.45
3.022.46
1.78
1.82
1.63
1.35
1.00
1.13
0.95
0.71
0.750.64
0.49
11.2
9.89
8.35
6.56
4.58
6.64
5.94
5.084.03
2.84
3.20
2.79
2.25
1.61
1.96
1.60
1.15
1.311.09
0.796
in.4 in.3 in. in.3
3.71
3.34
2.88
2.31
1.66
2.52
2.30
2.011.64
1.19
1.46
1.30
1.08
0.80
1.01
0.85
0.63
0.750.64
0.49
1.26
1.29
1.32
1.35
1.37
1.06
1.08
1.111.14
1.17
0.88
0.91
0.94
0.97
0.81
0.84
0.86
0.700.73
0.76
4.69
4.14
3.50
2.76
1.93
3.25
2.90
2.481.97
1.40
1.88
1.63
1.32
0.95
1.28
1.04
0.76
0.960.80
0.58
6.77
5.90
4.92
3.83
2.65
4.74
4.18
3.522.76
1.92
2.74
2.35
1.86
1.31
1.85
1.48
1.05
1.411.14
0.817
1.07
1.08
1.10
1.12
1.13
0.90
0.92
0.930.95
0.97
0.75
0.77
0.78
0.80
0.68
0.70
0.72
0.600.62
0.63
3 1/2
3
2 1/2
2 1/4
2
x
x
x
x
x
3 1/2
3
2 1/2
3 1/4
2
x
x
x
x
x
3/8
5/16
1/4
3/16
1/8
3/8
5/16
1/43/16
1/8
5/16
1/4
3/16
1/8
1/4
3/16
1/8
1/43/16
1/8
14.72
12.70
10.51
8.15
5.61
12.17
10.58
8.816.87
4.75
8.45
7.11
5.59
3.90
6.26
4.96
3.48
5.414.32
3.05
0.349
0.291
0.233
0.174
0.116
0.349
0.291
0.2330.174
0.116
0.291
0.233
0.174
0.116
0.233
0.174
0.116
0.2330.174
0.116
7.03
9.03
12.0
17.1
27.2
5.60
7.31
9.8814.2
22.9
5.59
7.73
11.4
18.6
6.66
9.93
16.4
5.588.49
14.2
7.03
9.03
12.0
17.1
27.2
5.60
7.31
9.8814.2
22.9
5.59
7.73
11.4
18.6
6.66
9.93
16.4
5.588.49
14.2
Nominal Size Weight
per
Foot
Wall
Thickness
t
b/t h/t
x
Torsional
Stiffness
ConstantJ
Torsional
Shear
ConstantC
Surface
Area
Per Foot
Cross
Sectional
Area lx Sx r x Zx
Y
Y
X X
in.4 in.3 ft.2
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19
DIMENSIONS AND SECTION PROPERTIES OF ROUND HSS
in. in. lb. in. in.2
Nominal Size Weight
per Foot
Wall
Thickness
t x
TorsionalStiffness
Constant
J
TorsionalShear
Constant
C
Surface Area
Per Foot
D/t
lx
Sx
r x
Zx
Outside
Diameter Wall
Cross-
Sectional Area
43.0
57.3
38.7
51.6
34.4
39.345.8
55.0
30.1
40.1
48.1
27.4
36.5
54.7
28.5
21.5
25.6
19.4
22.7
19.917.2
14.4
19.8
15.0
12.5
17.9
13.6
9.16
2720
2080
1970
1510
1370
12101050
886
907
698
589
678
523
359
272
208
219
168
171
152131
111
130
100
84.2
106
82.1
56.3
5.24
5.24
4.71
4.71
4.19
4.194.19
4.19
3.67
3.67
3.67
3.34
3.34
3.34
20.000
18.000
16.000
14.000
12.750
0.500
0.375
0.500
0.375
0.500
0.4380.375
0.312
0.500
0.375
0.312
0.500
0.375
0.250
104
78.67
93.54
70.65
82.85
72.8662.64
52.32
72.16
54.62
45.65
65.48
49.61
33.41
0.465
0.349
0.465
0.349
0.465
0.4070.349
0.291
0.465
0.349
0.291
0.465
0.349
0.233
1360
1040
985
754
685
606526
443
453
349
295
339
262
180
136
104
109
83.8
85.7
75.865.7
55.4
64.8
49.8
42.1
53.2
41.0
28.2
6.91
6.95
6.20
6.24
5.49
5.515.53
5.55
4.79
4.83
4.85
4.35
4.39
4.43
177
135
143
109
112
99.085.5
71.8
85.2
65.1
54.7
70.2
53.7
36.5
in.4 in.3 in. in.3 in.4 in.3 ft.2
Y
Y
X X
Y
7/29/2019 Tech Brochure Dimensions and Section Properties
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20
DIMENSIONS AND SECTION PROPERTIES OF ROUND HSS
in. in. lb. in. in.2
Nominal Size Weight
per Foot
Wall
Thickness
t x
TorsionalStiffness
Constant
J
TorsionalShear
Constant
C
Surface Area
Per Foot
D/t
lx
Sx
r x
Zx
Outside
Diameter Wall
Cross-
Sectional Area
15.0
11.4
7.70
17.2
13.9
10.6
8.887.15
5.37
13.4
10.2
8.53
6.87
5.17
11.9
9.07
7.85
6.144.62
28.5
21.5
25.6
19.4
22.7
19.917.2
14.4
19.8
15.0
12.5
17.9
13.6
9.16
398
309
213
383
317
247
209171
130
281
219
186
152
115
199
156
136
108
82.5
74.1
57.4
39.6
76.6
63.5
49.3
41.934.1
25.9
58.5
45.5
38.7
31.5
24.0
46.2
36.1
31.6
25.1
19.1
2.81
2.81
2.81
2.62
2.62
2.62
2.622.62
2.62
2.52
2.52
2.52
2.52
2.52
2.26
2.26
2.26
2.26
2.26
10.750
10.000
9.625
8.625
0.500
0.375
0.188
0.625
0.500
0.375
0.3120.250
0.188
0.500
0.375
0.312
0.250
0.188
0.500
0.375
0.312
0.250
0.188
54.79
41.59
28.06
62.64
50.78
38.58
32.3126.06
19.72
48.77
37.08
31.06
25.05
18.97
43.43
33.07
28.58
22.38
16.96
0.465
0.349
0.233
0.581
0.465
0.349
0.2910.233
0.174
0.465
0.349
0.291
0.233
0.174
0.465
0.349
0.300
0.233
0.174
199
154
106
191
159
123
10585.3
64.8
141
110
93.0
75.9
57.7
100
77.8
68.1
54.141.3
37.0
28.7
19.8
38.3
31.7
24.7
20.917.1
13.0
29.2
22.8
19.3
15.8
12.0
23.1
18.0
15.8
12.59.57
3.64
3.68
3.72
3.34
3.38
3.41
3.433.45
3.47
3.24
3.28
3.30
3.32
3.34
2.89
2.93
2.95
2.972.99
49.2
37.8
25.8
51.6
42.3
32.5
27.422.2
16.8
39.0
30.0
25.4
20.6
15.5
31.0
23.9
20.8
16.412.4
in.4 in.3 in. in.3 in.4 in.3 ft.2
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DIMENSIONS AND SECTION PROPERTIES OF ROUND HSS
in. in. lb. in. in.2
Nominal Size Weight
per Foot
Wall
Thickness
t x
TorsionalStiffness
Constant
J
TorsionalShear
Constant
C
Surface Area
Per Foot
D/t
lx
Sx
r x
Zx
Outside
Diameter Wall
Cross-
Sectional Area
21.8
25.0
16.1
21.5
25.8
32.2
43.1
15.1
20.1
24.1
30.0
40.2
60.3
7.98
7.01
10.3
7.84
6.59
5.32
4.00
9.55
7.29
6.13
4.95
3.73
2.51
106
94.1
128
100
85.8
70.3
53.8
102
80.9
69.1
56.8
43.5
29.7
27.8
24.7
34.1
26.8
22.9
18.7
14.3
29.3
23.1
19.8
16.2
12.4
8.49
2.00
2.00
1.96
1.96
1.96
1.96
1.96
1.83
1.83
1.83
1.83
1.83
1.83
7.625
7.500
7.000
0.375
0.328
0.500
0.375
0.312
0.250
0.188
0.500
0.375
0.312
0.250
0.188
0.125
29.06
25.59
37.42
28.56
23.97
19.38
14.70
34.74
26.56
22.31
18.04
13.69
9.19
0.349
0.305
0.465
0.349
0.291
0.233
0.174
0.465
0.349
0.291
0.233
0.174
0.116
52.9
47.1
63.9
50.2
42.9
35.2
26.9
51.2
40.4
34.6
28.4
21.7
14.9
13.9
12.3
17.0
13.4
11.4
9.37
7.17
14.6
11.6
9.88
8.11
6.21
4.25
2.58
2.59
2.49
2.53
2.55
2.57
2.59
2.32
2.35
2.37
2.39
2.41
2.43
18.5
16.4
23.0
17.9
15.1
12.3
9.34
19.9
15.5
13.1
10.7
8.11
5.50
in.4 in.3 in. in.3 in.4 in.3 ft.2
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DIMENSIONS AND SECTION PROPERTIES OF ROUND HSS
in. in. lb. in. in.2
Nominal Size Weight
per Foot
Wall
Thickness
t x
TorsionalStiffness
Constant
J
TorsionalShear
Constant
C
Surface Area
Per Foot
D/t
lx
Sx
r x
Zx
Outside
Diameter Wall
Cross-
Sectional Area
14.8
19.7
23.6
29.5
39.5
14.2
16.419.0
22.8
25.4
28.4
38.1
57.1
12.9
17.2
20.6
23.1
25.8
34.551.7
9.36
7.16
6.02
4.86
3.66
9.00
7.886.88
5.79
5.22
4.68
3.53
2.37
8.09
6.20
5.22
4.69
4.22
3.182.14
96.7
76.4
65.4
53.7
41.1
85.9
76.468.0
58.2
52.7
47.9
36.7
25.1
62.4
49.7
42.6
38.7
35.2
27.018.6
28.1
22.2
19.0
15.6
12.0
25.9
23.120.5
17.6
15.9
14.4
11.1
7.59
20.8
16.6
14.2
12.9
11.7
9.026.19
1.80
1.80
1.80
1.80
1.80
1.73
1.731.73
1.73
1.73
1.73
1.73
1.73
1.57
1.57
1.57
1.57
1.57
1.571.57
6.875
6.625
6.000
0.500
0.375
0.312
0.250
0.188
0.500
0.4320.375
0.312
0.280
0.250
0.188
0.125
0.500
0.375
0.312
0.280
0.250
0.1880.125
34.07
26.06
21.89
17.71
13.44
32.74
28.6025.05
21.06
18.99
17.04
12.94
8.69
29.40
22.55
18.97
17.12
15.37
11.687.85
0.465
0.349
0.291
0.233
0.174
0.465
0.4020.349
0.291
0.260
0.233
0.174
0.116
0.465
0.349
0.291
0.260
0.233
0.1740.116
48.3
38.2
32.7
26.8
20.6
42.9
38.234.0
29.1
26.4
23.9
18.4
12.6
31.2
24.8
21.3
19.3
17.6
13.59.28
14.1
11.1
9.51
7.81
5.99
13.0
11.510.3
8.79
7.96
7.22
5.54
3.79
10.4
8.28
7.11
6.45
5.86
4.513.09
2.27
2.31
2.33
2.35
2.37
2.18
2.202.22
2.24
2.25
2.26
2.28
2.30
1.96
2.00
2.02
2.03
2.04
2.062.08
19.1
14.9
12.6
10.3
7.81
17.7
15.613.8
11.7
10.5
9.52
7.24
4.92
14.3
11.2
9.49
8.57
7.75
5.914.02
in.4 in.3 in. in.3 in.4 in.3 ft.2
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23
DIMENSIONS AND SECTION PROPERTIES OF ROUND HSS
in. in. lb. in. in.2
Nominal Size Weight
per Foot
Wall
Thickness
t x
Torsional
Stiffness
Constant
J
Torsional
Shear
Constant
C
Surface
Area
Per Foot
D/t
lx
Sx
r x
Zx
Outside
Diameter Wall
Cross-
Sectional Area
12.0
15.9
23.2
32.0
44.9
11.8
15.822.8
10.8
14.3
17.2
20.8
21.5
28.7
43.1
12.9
14.4
20.525.9
38.8
13.7
17.2
18.1
19.0
19.5
23.0
34.5
7.45
5.72
4.01
2.95
2.12
7.36
5.653.98
6.62
5.10
4.30
3.59
3.49
2.64
1.78
4.55
4.12
2.962.36
1.60
3.39
2.76
2.61
2.50
2.44
2.09
1.42
48.8
39.0
28.5
21.4
15.7
47.0
37.627.6
34.4
27.7
24.0
20.5
19.9
15.4
10.6
19.7
18.1
13.611.1
7.68
11.7
9.82
9.36
9.01
8.83
7.67
5.34
17.5
14.0
10.2
7.70
5.64
17.1
13.710.0
13.8
11.1
9.58
8.18
7.95
6.15
4.25
8.78
8.06
6.044.93
3.41
5.87
4.91
4.68
4.50
4.41
3.83
2.67
1.46
1.46
1.46
1.46
1.46
1.44
1.441.44
1.31
1.31
1.31
1.31
1.31
1.31
1.31
1.18
1.18
1.181.18
1.18
1.05
1.05
1.05
1.05
1.05
1.05
1.05
5.563
5.500
5.000
4.5000
4.000
0.500
0.375
0.258
0.188
0.134
0.500
0.3750.258
0.500
0.375
0.312
0.258
0.250
0.188
0.125
0.375
0.337
0.2370.188
0.125
0.313
0.250
0.237
0.226
0.220
0.188
0.125
27.06
20.80
14.63
10.80
7.78
26.73
20.5414.46
24.05
18.54
15.64
13.08
12.69
9.67
6.51
16.54
15.00
10.808.67
5.85
12.34
10.02
9.53
9.12
8.89
7.66
5.18
0.465
0.349
0.240
0.174
0.124
0.465
0.3490.240
0.465
0.349
0.291
0.240
0.233
0.174
0.116
0.349
0.313
0.2200.174
0.116
0.291
0.233
0.220
0.210
0.205
0.174
0.116
24.4
19.5
14.2
10.7
7.84
23.5
18.813.7
17.2
13.9
12.0
10.2
9.94
7.69
5.31
9.87
9.07
6.795.54
3.84
5.87
4.91
4.68
4.50
4.41
3.83
2.67
8.77
7.02
5.12
3.85
2.82
8.55
6.845.00
6.88
5.55
4.79
4.08
3.97
3.08
2.12
4.39
4.03
3.022.46
1.71
2.93
2.45
2.34
2.25
2.21
1.92
1.34
.1.81
1.85
1.88
1.91
1.92
1.79
1.831.86
1.61
1.65
1.67
1.69
1.69
1.71
1.73
1.47
1.48
1.521.53
1.55
1.32
1.33
1.34
1.34
1.34
1.35
1.37
12.1
9.50
6.80
5.05
3.67
11.8
9.276.64
9.60
7.56
6.46
5.44
5.30
4.05
2.77
6.03
5.50
4.033.26
2.23
4.01
3.31
3.15
3.02
2.96
2.55
1.75
in.4 in.3 in. in.3 in.4 in.3 ft.2
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24
DIMENSIONS AND SECTION PROPERTIES OF ROUND HSS
in. in. lb. in. in.2
Nominal Size Weight
per
Foot
Wall
Thickness
t x
Torsional
StiffnessConstant
J
Torsional
Shear Constant
C
Surface
AreaPer Foot
D/t
lx
Sx
r x
Zx
Outside
Diameter Wall
Cross-
Sectional
Area
12.0
12.5
15.0
17.4
18.5
20.1
30.2
12.914.9
15.9
17.2
21.3
24.2
25.9
12.3
15.2
16.5
24.8
10.7
14.4
21.6
10.2
11.7
13.6
16.6
20.5
10.9
14.1
17.1
12.8
2.93
2.83
2.39
2.08
1.97
1.82
1.23
2.031.77
1.67
1.54
1.27
1.12
1.05
1.93
1.59
1.48
1.01
1.66
1.27
0.869
1.57
1.39
1.20
1.00
0.82
0.943
0.75
0.624
.63
7.61
7.38
6.41
5.69
5.41
5.04
3.53
3.903.48
3.31
3.10
2.59
2.32
2.19
3.40
2.89
2.70
1.92
2.15
1.73
1.24
1.82
1.65
1.47
1.25
1.05
0.710
0.586
0.501
0.368
4.35
4.22
3.66
3.25
3.09
2.88
2.02
2.602.32
2.21
2.06
1.73
1.55
1.46
2.37
2.01
1.88
1.33
1.72
1.38
0.990
1.53
1.39
1.23
1.06
0.887
0.747
0.617
0.527
0.444
0.92
0.92
0.92
0.92
0.92
0.92
0.92
0.790.79
0.79
0.79
0.79
0.79
0.79
0.75
0.75
0.75
0.75
0.65
0.65
0.65
0.62
0.62
0.62
0.62
0.62
0.50
0.50
0.50
0.43
3.500
3.000
2.875
2.500
2.375
1.900
1.660
0.313
0.300
0.250
0.216
0.203
0.188
0.125
0.2500.216
0.203
0.188
0.152
0.134
0.125
0.250
0.203
0.188
0.125
0.250
0.188
0.125
0.250
0.218
0.188
0.154
0.125
0.188
0.145
0.120
0.140
10.66
10.26
8.69
7.58
7.15
6.66
4.51
7.356.43
6.07
5.65
4.63
4.11
3.84
7.02
5.80
5.40
3.67
6.01
4.65
3.17
0.250
0.218
0.188
0.154
0.125
3.44
0.145
2.28
0.140
0.291
0.279
0.233
0.201
0.189
0.174
0.116
0.2330.201
0.189
0.174
0.141
0.124
0.116
0.233
0.189
0.174
0.116
0.233
0.174
0.116
0.233
0.203
0.174
0.143
0.116
0.174
0.135
0.111
0.130
3.81
3.69
3.21
2.84
2.70
2.52
1.77
1.951.74
1.66
1.55
1.30
1.16
1.09
1.70
1.45
1.35
0.958
1.080.865
0.619
0.910
0.824
0.733
0.627
0.527
0.355
0.293
0.251
0.184
2.18
2.11
1.83
1.63
1.54
1.44
1.01
1.301.16
1.10
1.03
0.865
0.774
0.730
1.18
1.01
0.941
0.667
0.862
0.692
0.495
0.766
0.694
0.617
0.528
0.443
0.374
0.309
0.264
0.222
1.14
1.14
1.16
1.17
1.17
1.18
1.20
0.9820.992
0.996
1.00
1.01
1.02
1.02
0.938
0.952
0.957
0.976
0.806
0.825
0.844
0.762
0.771
0.781
0.791
0.800
0.613
0.626
0.634
0.543
3.00
2.90
2.49
2.19
2.07
1.93
1.33
1.791.58
1.50
1.39
1.15
1.03
0.965
1.63
1.37
1.27
0.884
1.20
0.943
0.660
1.07
0.960
0.845
0.713
0.592
0.520
0.421
0.356
0.305
in.4 in.3 in. in.3 in.4 in.3 ft.2
Y
X X
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