Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

इंटरनेट मानक

“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda

“Invent a New India Using Knowledge”

“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru

“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 2581 (2002): Round Strand Galvanized Steel Wire Ropesfor Shipping Purposes [MED 10: Wire Ropes and WireProducts]

IS 2581:2002

Indian StandardROUND STRAND GALVANIZED STEEL WIRE ROPES

FOR SHIPPING PURPOSES — SPECIFICATION

(Fourth Revision)

ICS 47.020.40; 77.140.65

0 BIS 2002

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

September 2002Price Group 6

Ii

Wire Ropes and Wire Products Sectional Committee, ME 10

FOREWORD

This Indian Standard (Fourth Revision) was adopted by the Bureau of Indian Standards, after the draft finalizedby the Wire Ropes and Wire Products Sectional Committee had been approved by the Mechanical EngineeringDivision Council.

This kmdard was fust published in 1963. The standard revised in 1968 was based on requirements covered in1S0 Recommendation ISO/R 346-1963 ‘Ship building details — Galvanized steel wire ropes’, issued by theInternational Organization for Standardization (1S0).

In the second revision issued in 1977, certain changes in the list of construction were made. Based on theexperience gained in the industry, in the third revision, some of the construction, their types and correspondingrequirements were modif~d.

Based on further experience gained in the industry, in this revision, some more constructional and theirrequirements have been modified.

The composition of Committee responsible for the formulation of this standard is given in Annex A.

For the purpose of deciding whether a particular requirement of this standard is complied with, the final value,observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance withIS 2:1960 ‘Rules for rounding off numerical values (revised)’. The number of significant places retained in therounded off value should be the same as that of the specified value in this standard.

IS 2581:2002

Indian Standard

ROUND STRAND GALVANIZED STEEL WIRE ROPESFOR SHIPPING PURPOSES-SPECIFICATION

(Fourth Revision)1 SCOPE standing and running rigging, hawser, mooring and

This standard covers galvanized round strand and towing purposes, cargo gear rope, davit rope and life

mult i-strand rotation-resistant steel wire ropes for boat fall ropes. The following rope constructions,types, rope grades, cores, size ranges as identifiedby X mark are covered.

Construction Type Rope Graak Core Sue Range TableNo.

1420 1570 Fibre Steel

6X7(6-1) Round x x x - 8-26 16 x 12( 12-Fibre) Strand x x x – 8-20 2(jx19M(1’2 /6.1) x x x – 8-48 3(jx24M(]5/9-Fibre) x x x - 8-40 46 x 24 s (12-12-Fibl-e) x x x - 8-40 46 X 37 M (18/12/6-1) x x x – 12-56 56 X 31 SW(12-6+6-6-1) x x – 12-40 66 x 36 SW (14-7+7-7-1) — x x – 12-52 67x7( fj-1) x x – x 8-28 77x 19M( 12/6-1 ) x x – x 14-52 8

17.7 Multi-strand x x[11 x 7(6-l): 6x7(6-l)]

x 8-28 9Rotation-

18x7 resistant x x[12 x 7(6-l): 6x7(6-l)]

x 8-28 9

34x7 x x x[17 x 7(6-1):11 x 7(6-1)

12-40 10

/6 X 7(6-1)]

2 REFERENCES IS No. Title

The following Indian Standards contain provisions,6594:2001 Technical supply conditions for steel

wire ropes and strands (secondwhich through reference in this text constitute

revision)provisions of this standard. At the time of publication,the editions indicated were valid. All standards are 3 TERMINOLOGY

subject to revision, and parties to agreements based For the purpose of this standard the definitions givenon this standard are encouraged to investigate the in IS 2363 shall apply,possibility of applying the most recent editions of thestandards indicated below: 4 ROPE SIZE

IS No. Title The size of rope, designated, as ‘nominal diameter’1835:1976 Round steel wire for ropes (third shall be one of those given in Tables 1 to 10.

revision)2363:1981 Glossary of terms relating to wire 5 MINIMUM BREAKING FORCE

ropes (first revision) The minimum breaking force shall be as given inTables 1 to 10.

1

1’

IS 2581:2002

Table 1 Mass and Breaking Force of 6 x 7 (6-1) Construction Fibre Core Ropes

(Clauses 4,5 and 6.4)

NominalRopeDiameter4-1 Percent

(1)

mm

8910

11

12

14

16

18

20

21

22

24

26

6x7(6 -1)-CF

ApproximateMass

(2)

kg/100 m

22.9

28.9

35.7

43.2

51.5

70.1

91.5

116

143

158

173

206

242

MinimumBrealdngForceCorresponding to Rope Grade of

1420 I 1570

(3) (4)

kN

30

38

47

57

68

92

121

153

189

208

228

272

319

I NOTES1 ToobtaincalculatedaggregatebreakingforcemultiplythegiveninCOI3 and 4 by 1.111.2 The nominalropediameter21 mm isnon-preferred.

33

42

52

63

75

102

134

169

209

230

252

300

353

6 GENERAL REQUIREMENTS 6.3 Lay

6.1 The wire ropes shall conform to IS 6594 and shall The lay of rope shall be right hand ordinary lay exceptalso meet the following requirements given in 6.2 to 6.4. for the life boat fall ropes which may also be supplied

in right hand lang’s lay.6.2 Joints

6.3.1 The length of lay of the rope shall not be greaterTucked joints may be used for wires of 0.5 mm than 8 times the nominal diameter of the rope.diameter and smaller.

2

/

IS 2581:2002

Table 2 Mass and Breaking Force of 6 x 12 (12-Fibre) Construction Fibre Core Ropes

(Clauses 4,5 and 6.4)

Nominal Rope Diameter

~ Percent-1

(1)

mm

8

9

10

11

12

14

16

1820

6x12( 12-Fibre)-CF

Approximate Mass

(2)

kg1100m

16.0

20.3

25.1

30.3

36.1

49.1

64.2

81.2100

Mhimum Breaking Force Correspondingto Rope Grade of

1420 I 570

(3) I (4)

kN

19

24

30

36

43

58

76

96118

I NOTE — To obtain calculated aggregate brealdmg force multiply the figures given in cot 3 and 4 by 1.111

21

27

33

40

47

64

84

106131

6.4 Mass

The mass of ropes given in Tables 1 to 10 is for fullygreased ropes. The ropes, which are not lubricated,may be lighter.

7 GALVANIZING

7.1 The galvanization shall conform to Type A, ABor B as specified in IS 1835. Purchasers shall statetheir specific requirements in the order. In absence ofany specific requirement, Type B shall be supplied.

8 LUBRICATION

Unless specifically required by the purchaser the ropesshall be without grease externally.

9 SAMPLING PLAN

9.1 Lot

Steel wire ropes of same size manufactured using thesame set of strands and same type of core underidentical condition of production shall constitute a lot.

9.2 For ascertaining the conformity of a lot, thefollowing sampling plan shall be made:

a) Dimensional checking — 100 percent.

b) Breaking force test .—one sample from a lot.

NOTE —Manufactunx shall provide evidence for the traceabilityof the individual rope lengths to the parent rope to establ ish thatthose represent the lot as defined above.

3

1S 2581:2002

Table 3 Mass and Breaking Force of 6 x 19 M (12/6-1) Construction Fibre Core Ropes

(Clauses 4,5 and 6.4)

6x19 td (12/6 -1)-cF

Nominal Rope Diameter Approximate Mass Minimum Breaking Force

‘4 Percent Corresponding to Rope Grade of-1

1420 I 570

(1) (2) (3) (4)

mm kg/100 m m

8 22.1 28 31

9 28.0 35 39

10 34.6 44 48

11 41.9 53 58

12 49.8 63 69

14 67.8 86 95

16 88.6 ilz t 24

18 112 141 156

20 138 175 193

21 153 192 213

22 167 211 234

24 199 251 278

26 234 295 326

28 271 342 378

32 354 447 494

36 448 566 625

40 554 698 772

44 670 845 93448 797 1005 1112

NOTE — To obtain calculated aggregate breaking forcemultiplythefiguresgiveninml 3 aod4 by 1.163.

4

.

.

IS 2581:2002

Table 4 Mass and Breaking Force of 6 x 24 M (15/9-Fibre) and6 x 24S (12-12 -Fibre) Construction Fibre Core Ropes

(Clauses 4,5 and 6.4)

6x24 M (15/9-Fibre)-CF

Nominal Rope Diameter

‘4 Percent-1

—(1)mm

8

9

10

11121416

18

20

22

24

26

28

32

36

40

Approximate Mass

(2)

kg/100 m

20.4

25.8

31.8

38.5

45.8

62.4

81.5

103

127

154

183

215

250

326

413

509

6x24 S (1 2-12-Fibre)-CF

MinimumBreakingForceCorrespondingto Row Grade of

1420 1570

(3) (4)

Iw

25

32

40

48

57

78

102

129

159

193

229

269

312

407

516

637

28

36

44

53

63

86

113

143

176

213

253

297

345

450

570

704

I N0~-To.btiincdc.lakdWg#ebmtingforwmultiplytiefi~msgivainml3md4byl.l5O.

10 MARKING

10.1 The size, construction, rope grade, lay, core,coating and length of wire rope, reel/coil number alongwith the order number of purchaser and any othermarking which may be specified by the purchaser shallbe legibly mentioned on a suitable tag securely

attached, when wire ropes are supplied in coils. Incase wire ropes are supplied in reels, the informationmay be stenciled on both sides of the reels or stenciledon one side of the reel and a suitable tag giving thesame information may be attached on the other sideof the reel.

5

I ,

IS 2581:2002

Table 5 Mass and Breaking Force of 6 x 37 M (18/12/6-1) Construction Fibre Core Ropes

(Clauses 4,5 and 6.4)

Nominal Rope Diameter Approximate Mass Mhimum Breaking Force

+ Percent Corresponding to Rope Grade of-1

1420 1570

(1) (2) (3) (4)

mm kg/100 m kN

8 22.1 27 30

10 34.6 42 46

12 49.8 60 67

14 67.8 82 91

16 88.6 107 118

18 112 136 150

20 138 167 185

22 167 203 224

24 199 241 267

26 234 283 313

28 271 328 363

32 354 429 474

36 448 543 600

40 554 670 741

44 670 810 896

48 797 964 1066

52 936 1132 1252

56 1085 1313 1451

NOTE — To obtain calculated aggregate breatdrrg force multiply the figures given in WI 3 and4 by 1.212.

6x37 M (18/12/6 -1)-CF

10.2 BIS Certification Marking 1986 and the Rules and Regulations made thereunder.

10.2.1 The product may also be marked with theThe details of conditions under which a license for

Standard Mark. the use of the Standard Mark may be granted to themanufacturers or the producers maybe obtained from

10.2.2 The use of the Standard Mark is governed by the Bureau of Indian Standards.the provisions of the Bureau ofIndian Standark Act,

6

IS 2581:2002

Table 6 Mass and Breaking Force of 6 x 31 SW (12-6+6-6-1) and6 x 36 SW (14-7+7-7-1) Construction Fibre Core Ropes

(Clauses 4,5 and 6.4)

6x31 SW (12-6 +6-6 -1)-CF

Nominal Rope Diameter

‘4 Percent-1

(1)

mm

12

14

16

18

20

22

24

26

28

32

36

40

44

48

52

6x36 SW (14-7 +7-7 -1)-CF

Approximate Mass

(2)

kg/100 m

54.7

74.5

97.3

123

152

184

219

257

298

389

493

608

736

876

1028

Minimum Breaking Forcecorresponding to Rope Grade 157(

(3)

kN

75

102

133

168

207

251

298

350

406

530

671

829

1003

1193

1401

NOTE —To obtain calculated aggregate breakhg force multiply the figures given in col 3 and 4 by 1,191

1’

1S 2581:2002

Table 7 Mass and Breaking Force of 7 x 7 (6-1) Construction Steel Core Ropes

(Clauses 4,5 and 6.4)

Nominal Rope Diameter

‘4 Percent-1

mm

8

9

10

11

12

14

16

18

20

22

24

26

28

6x7(6-1 )-CWS[l x7(6-1)]

Approximate Mass

(2)

kg/100 m

25.2

31.8

39.3

47.6

56.6

77.0

101

127

157

190

226

266

308

Minimum Breaking ForceCorresponding to Rope Grade of

1420 1570

(3) (4)

kN

33 141

51

62

73

100

130

165

204

247

293

344

399

36

46

56

68

81

110

144

183

225

273

324

381

442

I NOTE — To obtain calculated aggregate breakhg force multiply the figures given in COI3 and 4 by 1.194.

i1

IS 2581:2002

Table 8 Mass and Breaking Force of 7 x 19 M (12/6-1) Construction Steel Core Ropes

(Clauses 4,5 and 6.4)

Nominal Rope Dtameter

‘4 Percent-J

(1)

mm

14

16

18

20

22

24

26

28

32

36

38

40

44

48

52

6x19( 12/6 -1)-CWS[lx19(12/6 -1)]

Approximate Mass

(2)

kg/100m

2’4.6

97.4

123

152

184

219

257

298

390

493

550

609

737

8771029

Minimum Breaking ForceCorresponding to Rope Grade

1420(3)

kN

92

121

153

189

228

271

319

369

483

61 I

681

754

912

10861274

1570

(4)

kN

102

133

169

208

252

300

352

409

534

675

752

834

1009

I 2011409

NOTE—Toobtaincalculatedaggregate breddng force multiply the figures given in cd 3 and 4 by 1.250.

9

IS 2581:2002

Table 9 Mass and Breaking Force of 17 x 7 [11 x 7 (6-1): 6 x 7 (6-1)]or18x7 [12 x7(6-l): 6 x7(6-l)] Construction Fibreand Steel Core Ropes

(Clauses 4,5 and 6.4)

17x7[11x 7(6-1 ):6x7 (6-1)]-CF 17x7[11 x7(6-l ):6x7 (&l)]-CWS[l x7(6-l)]

18x7[12x7(f+l) :6x7(6-1 )]-CF 18x7[12x7(6-1) :6x7(6-1 )]-CWS[l x7(6-l)]

Nominal RopeDiameter●

‘4 Percent-1

(1)

mm

8

9

10

11

12

13

14

16

18

20

22

24

26

28

Approximate Mass

—-FibreCore steel core

(2) (3)

kg/100 m

24.5

31.0

38.3

46.3

55.1

64.7

75.0

98.0

124

153

185

220

259

300

25.7

32.6

40.2

48.6

57.9

67.9

78.8

103

130

161

195

232

272

315

Minimum Breaking ForceCorresponding to RopeGrade of 1570

Fibre Core

(4)

kN

32

41

50

61

72

85

98

128

162

200

242

288

338

392

Steel Core

(5)

kN

33

42

52

62

74

87

10 I

132

167

206

249

297

348

404

NOTE — To obtain calculated aggregate bretilng force multiply the figures given in cd 4 by 1.282 and COI5 by 1.319

10

I’i

IS 2581:2002

Table 10 Mass and Breaking Force of 34 x 7 [17 x 7 (6-1) : 11x7 (6-1) / 6 x 7 (6-1)]Construction Fibre and Steel Core Ropes

(Clauses 4,5 and 6.4)

34x7[17x7(6- l):llx7(6- 1)/6x 7(6-1 )]-CF 34x7[17x7(6- l):llx7(6- 1)/6x 7(6-1 )]- CWS[l x7(6-l)]

Nominal rope Approximate Mass Minimum Breaking Force Corresponding toDhtmeter Rope Grade of 1570

‘4 Percent”-1Fibre Core Skel Core Fibre Core Steel Core

(1) (2) (3) (4) (5)

mm kg/100 m kN kN

12 56.2 57.9 71 72

13 65.9 67.9 83 84

14 76.5 78.8 96 98

16 99.9 103 125 128

18 126 130 I 59 162

20 156 161 196 200

22 189 195 237 242

24 225 232 282 288

26 264 272 331 338

28 306 315 384 392

32 400 412 502 512

36 506 521 635 648

40 624 643 784 800

NOTE — To obtain calculated aggregate breakhg force multiply the figures given in cd 4 by 1.333 and cd 5 by 1.346.

11

IS 2581:2002

ANNEX A

(Forewor@)

COMMITTEE COMPOSITION

Wire Ropes and Wire Products Sectional Committee, ME 10

Organization Representative(s)

Directorate General of Mines Safety, Dhanbsd SHRJD. SAHA(Chairman)SHRJ.S. P. BANSAL(Afternate)

Aerial Ropeway & Mechanical Handling Co Pvt Ltd, Kolkata Smu A. K. KtNRASHRJRN.JJANMrnmarmm (Altemafe)

Am.w Promoters Pvt Ltd, SoIan SHRJVnmoaS AGARWALSHJUJATJNOERAGARWAL(Alternate)

Bharat Coking Coal Ltd, Dhanbad SHSJR. K.PRASAD

Bharat Wire Ropes Ltd, Mumbai SHSJD. M.SriAHCentral Mining Research Institute, Dhsnbad sHtus.P. CHAUDHARY

SHRJR. P. CHAULAEORTV(Afternafe)

Directorate General of Aeronautical Quality Assurance, New llelh~ SHFUS. B. PRASAD

Directorate General ofCivil Aviation, New Delhi

Eastern Coalfields Ltd, KoIkata

Fort William Industries Ltd, Hooghly

JCT Ltd (Steel Division), Hoshiarpur

Ministry of Defence (Naval), New Delhi

MinistV of Surface Transport, New Delhi

National Test House, Ghaziabad

North Eastern Coaltields Ltd, Kolkata

Oil and Natural Gas Commission, Debra Dun

Research Designs & Standards Organization, Lucknow

South Eastern Coalfieids Ltd, Bilaspur

Usha Breco Ltd, Kolkata

Usha Martin Industries Ltd, Ranchl

Vidarbha Hardware Industries, Akola

BIS Directorate General $

SHRJSANJAYCHAWA(Alternate)

SHRIR. C. GtJmASHRJ.M. M. KAUSHAL(Alternate)

SHRJH. K. CHAKRABDRTYSHM.J. L. RATHJ

SHRtBASUDEBBANERIEE(Aftemafe)

SHRJS. K. SaTSOSHRJM. L. SrrmrMA(Alternate)

CDRBRAHMASWARDDP

SHRJ.B. L. KJSDWAL(Ahemate)

SHSU.G. P. ROYSHFUT. K. DUTTA(Aftemate)

SHSJ.D. S. MAJUMDARSHRJ.B. N. SARKAR(Alternate)

SW A. TWWSY

SHRJR. K. GARG ,SHRJP. K. SDDD(Alternate)

DEPUTYDtrwcrmr (STANDAJMS)

SHRJS. K. MISHRASHSJG. IhMASWAMI(Alternate)

SHRJAMrr KOMARBkSU

SHroC. K. JhsrmqR (Akemale)

SHRJ~A PRATAP

SHRJK. K. SaNGUPTA(Alternate)SHRJO. P. DALMU

SHSJSANJAYK. DALMIA(Afternate)

SHrttM. L. CHOPRA,Director & Head (MED)

[Representing Director General (Ew@cio)]

Member SecretarySHSJP.vsNKAmwArcARAoJoint Director (MED), BIS

12

1’I

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promoteharmonious development of the activities of standardization, marking and quality certification of goodsand attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any formwithout the prior permission in writing of BIS. This does not preclude the free use, in the course ofimplementing the standard, of necessary details, such as symbols and sizes, type m grade designations.Enquiries relating to copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewedperiodically; a standard along with amendments is reafilrmed when such review indicates that no changes areneeded; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standardsshould ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of‘BIS Catalogue’ and ‘Standards: Monthly Additions’.

This Indian Standard has been developed tlom Doc : No. MED 10 (0447)

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

BUREAU OF INDIAN STANDARDS

Headquarters :

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002 Telegrams : ManaksansthaTelephones :3230131,3233375,323 9402 (Common to all ot%ces)

Regional OffIces: Telephone

CeMral :

Eastern :

Northern :

Southern :

Western :

Branches :

Manak Bhavan, 9 Bahadur Shah Zafar Marg

{

3237617NEW DELHI 110002 3233841

1/14 C.I.T. Scheme VII M, V. I. P. Road, Kankurgachi

{

3378499,3378561KOLKATA 700054 3378626,3379120

SCO 335-336, Sector 34-A, CHANDIGARH 160022

{

603843602025

C.I.T. Campus, IV Cross Road, CHENNAI 600113

{

2$11216,25414422542519,2541315

Manakalaya, E9 MIDC, Marol, Andheri (East)

{

8329295,8327858MUMBAI 400093 8327891, 8327892

AHMEDABAD. BANGALORE. BHOPAL. BHUBANESHWAR. COIMBATORE. FARIDABAD.GHAZIABAD. GUWAHATI. HYDERABAD. JAIPUR. KANPUR. LU~KNOW. NAGPUR.NALAGARH. PATNA. PUNE. RAJKOT. THIRUVANANTHAPURAM. VISAKHAPATNAM

Reprography Unit, BIS, New Delhi, India

I“i