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है”ह”ह

IS 1748 (1981): Sizes of graphite crucibles [MTD 15:Refractories]

IS : 1748 - 1981

Indian Standard ( Weaff~rmed i987 )

SIZES OF GRAPHITE CRUCIBLES

( First Revision )

UDC 542.232.54:666.762.814;006.78

. \

Indian Standard SIZES OF GRAPHITE CRUCIBLES

f First Revision )

Refractories Sectionai Committee, SMDC 18

Chairman Rcprcrcnfing

Da D. N. ?~‘AxJ~ Kumardhuhi Fircclay & Silica Works Ltd, Calcutta

Members

SHXI P X. Moarmwr~ ( Altsrnatr to Dr D. N. Nandi )

San1 B.V. APPA RAO Steel Authority of India Ltd ( Bhilai Steel Plant ), Bhilai

S~nr S. K. MICKBZBJEE ( Akmatr ) SExi D.?;. BAXERSEE Indian Iron Sr Steel Co Ltd, Burnpur

SHRI A. K. MJX~XEBJEE ( Aitrrnats j SHBI ?;. G. BAEAK Directorate General

New Delhi of Technical Dcvclopmam,

SHEI R. SACEnEV ( Alf~rndo ) Sasr B. N. BEA~KAR Ishwar Industries Ltd, New Delhi

SE[RI VIVEX N. BHA~HM < Alfrrnats ) DE A. K. Boais Associated Cement Campanies Ltd, Bombay

SHEI hf. R.VInaYrKA i Altsrnotri ) Da A. K. CEUTTPRJEX ! Ailcrn& II )

Sasr D. K. CHATTERJEE M. N. Dastur & Co (P) Ltd, Calcutta SARI R. C. NANL)Y ( Altwnat~ j

Sasr K. C. CEATTERJEE Steel Authority of India Ltd, Research & ]Dev~lop micnt Wing, New Delhi

Snnr M. S. MUXHOFADH~AY ( dflrrnatr 1 SHBI 8. K. P. CEIIBBAB StcclP;%;;,~ority of indla Ltd ( Bokaro Steel Ltd )

3, SHRI A. S. KXAL~HO ( diirrnalr )

SEEI M.H. DALYIA Orissa Cement Ltd, Rajgangpur SHRI K. K. PBA~AD ( Alrrmatr 1

SHEI S. K. DA53 Directorate General of Supplies & Disposals ( Inspection Wing )

SHRI Ii. N. SARA ( Allmu& ) DE S. S. GHo8E Beipabar Refractories Ltd, Belpahar

DB A. K. BOSE ( Altnaatu )

BUREAD OF INDIAN STANDARDS

This publication ia protected under the hfiun C@_pvight Act ( XIV of 1957 ) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an mfringement of copyright unda the said Act

xsr 1748 - 19Rl

R#pW#?#illp

Ali India Class Manufacturer’* Federation. New Delhi

j1,iJ.I J. Xl. :w ,.spnv < .4ilcraafa !

s.?sl 7 i-i. .K. L~~T;KTHY Harrv Refractory dr &ramic Works Pvt Ltd. Calc;t:ta & Indian Refractory Makerr A-soc:ation, Calcutta

S4RT N. f?,. SAHA f ,dk’Vtdd )

$.Ifl,I I’. s. &‘AIU.YAXk Engineering & Mineral Indurtriai Research Laboratory, Bangalore

Snar P. S. \/‘. ?\YANTHANARAYANA i dif~??U.‘:C :

3% ~J. D. PAXLJA Dalmia Institute of Scientific and Xndustrrak Rewarch, Rajgangpu:

Dx T. v. PaaaAn Engir‘rers India Ltd, ?iaw Delhi Snu: La. RAMAcHaYnaAx Xeta!lurgicai & Engineering Consultants ( India )

Ltd. .Ranchi S.SR: T. B. Sr~ca ( Altsrnals )

1):~ M. i? K. RAO National Merallurgicsl Laboratory ( CSIR )” Iamshcdpur - _ S:~xr P. C. SBN ( Altrmnlr )

Sira A. K. SAHA National Test House, Calcutta SRR~ D. icANCNG0 ( .dif#rnaf# )

~HRX 0. P. SANDBIK Steel Authority of India Ltd, Durgrpur Steel Plant, Durxapur

SHBIS.K.CHATTERJSIB s~AiLcrnalc) - . Sal31 I<. SAWXARAN Bharat heavy Elcctricalr Ltd, Tiruchchirapalli

SHR~ c. S. R. .‘iDElTEYAN { &l67?tAtS .!

U?. N. R. SIRCAY. CcotraI Glass & C.era.mic Research Institute ( CSIR ) * Caicutra

~nxr K. RAMPSAM : Alfrrnotr 1

SBR: K. 5. ~WAMiNaTHh~ Tara Iron 8t Steel Co Ltd, Jamisbedp~r

ST~RI B. N. Gnoss ( Aitcrnat~ 1

Sar.1 \,f. P. VARXA MInistry of Railwaya CrrnxWr & hkTACLCHOIBT-I~ ( .ui)llldtl )

SEX:: C. R. 9 AMA Rae, Director General, BIS ( Ea.o#cio Mmbn ) I)rrrcror \ Strut & Met j

SHSI B. MVXREBJI Deputy Director ( MctaIs I, BIS

( Continuad on page 10 )

2

Indian Standard SIZES OF GRAPHITE CRUCiBLES

( First Revision )

1. SCOPE

2. TYPES OI: CRUCIBLES

2.1 The sizes for tht fc:ll3rving types of crucibles have been specified in this s:xndnrd:

a) ‘.A’ Shape - !ift-out type for I.lse ia pit furnaces - desiglated by rile 1,::tsr ‘A’

IS: 1748 - 1981

b: Buiin Type - fi’r use in ba!e-out and hoidiny furnaces - designated by the letter ‘i3’

c) Sputid Tiitiq Type - the letters ‘TP’

for use in tilting fur:;aces - designated by

d) Spouted Basin Type - rhe letters ‘TPU’

for use in tilting furnaces - designated by

e) Te,+Pour Tybe - for use in tilting furnaces - designated by the iettcrs ‘TP?“‘.

3. SIZES

3.1 The sizes and capacities of diflerent typos of’ graphite crucibles shall comply with the requirements given in Tables i to 5.

4. CRUCIRLE DESIGNATION

1.1 The designation number for each crucib!e shaii C<,iJs!zt c,f iiot rr.ore

than three !etrers, indicating the type of crucible ( see 2.1 ) fcila~~d by a number indicat;ng its nominai melting caparilv in tc: ms of klioqram of brass for ‘A’ shape, spouted riit:ng type and top-pour type crupibles and in terms of k!logram of alurniniu:?; A Ee)r bas:n tvpr and mouted basin type cruclb!es. Fc)r exampie, ~lesirnarinn -44-E ili;iicates n ’ ~3 ’ &aped crucible havmg a me!ting capacity of 6 kg of brass, and drsjgnaijon TPB-580 indicates a spouted basin type crucihie having 1 melting capacity of 5tlL7 kg of aiuminium.

5. SHAPE AND CONSTRUCTlONAL DETAILS

5.1 The d,fftrent types of crucibies &al1 COII~OITI; tc, the shape 8s given in

Fig. 1 tG 5.

6. TOLERANCES

6.1 A toirrance of 52 percent on the external maximum of 5 mm shall be permitrcd.

tiimPZ:sio!ls F\lbjer;t to a

6.2 The internal brimful volume sha;; not vary by mc,re than =2 percent.

7. SAMPLING

7.1 Sampling method and r.umber of s.impies ~;7 be taken shall be as agreed to between the purchaser and the maIiufac:urer.

$. MARKING

&1 Each crucible shall be msrkpd suitably indicating the name Gf’ the

m;inUfdCtUrer or trade-mark, and the crucibir designation, which indi- cates the type and size of the crucible.

4

LS : 1748 - I981

TABLE 1 STANDARD SIZES FOR c A ’ SHAPE CRUCIBLES

i Ciausr 3.1 )

CRrCIBLE

DEBIGNATIOX

ii:

A-I

A-2

A-3

A-4

A-5

A-6

A-8

A-10

A-12 A-l+

A.16

A-13 ? A-2;

A-25

A-30

A-35

a-40

A-50

A-60

,4-E@

A.:99

‘i.:.“io

-\_:dj

+.-JO0 .4.“Ly

A-3w

.4.350

.i-40~0

A-500

A-FOO

A-800

‘4_iOOi)

HEIGHT, h

mm

l2)

90

110

130

140

!50

160

175

200

210 “7’0 ..- 2’?Q

: 13

I5.j

2mJ

2%

300

3iO

330

343

375

‘ml

429

41;

j 0 2

545

:> 8 4 697

d5G

;tiv

7!7 770

820

EXTERXAL EXTHXNAL DIJGSETER DTAMETER ( Top ), 4 (BOTTOM ),d,

mm mm

'3)

80

13Q

Ii@

115

125

135

i50

I60

170

!?j !85

:qj

23 i) 220

233

240

260

270

235

%5

325

:!sj

Y?n:

?I0

429

445

473

lo?

; 1 9

543 589 677 L

!4?

55

65

70 _- :J

90

55

!OO

i!5

120

120

122

130

140

! so

rm

170

190

195 2’Kl

2:s

2x

? 38 2.59 ??_

“80

313

324

33:a

343

356

413

407

I

(5)

0‘185

O-3%3

0’570

0.610

0 82 1.00

1 ‘45

2x@

2.35

2’60

Jm

3‘25

3.;5

4.30

5.50

6.25

8Yx

9.50

10 5

IX-4

16’0

18.3

24-7

33 -5

40’3

4-8’6 53.8

63’ 1

74.5

90 0

1j3.5

!41fl

5

IS : 1748 - 1981

GRUCIBLE hisram, DESIGNATION h

TABLE 2 STANDARD SIZES OF BASIN TYPE ( ‘ B ’ TYPE ) CRUCIBLES

[ Clacsr 3.1 )

EXTERNAL DIAMETER ( TOP !, d,

BKIMFCL CAPACITY

T.&BX_E 3 STANDARD SIZES OF SPOUTED TILTING ( TP ) TYPE CRUCIBLES

( Clause 3.1 )

TABLE 4 STANDARD SIZES OF SPOUTED BASIN ( TPB ) TYPE CRUCIBLES

iI]

TPB-155

TPB-225

TPR-320

TPB-580

( CIOWC 3.1 )

!3RIMI?VL HEIOHT, EXTERNAL EXTESNAL LE~IQTII CAPACITY h DIa7dirT~~ DIAMETER

(TOP),d, ! BOTTOX),d, OF SPOUT,

t

‘ mm mm mm mm

(2) !3) I41 (5) (6)

74’2 600 527 318 130

106.6 630 616 356 !59

142’4 800 616 356 159

256.2 889 775 381 186

XOTE - The nominal melting capacity in terms of kg of brass is approximately three times that of aluminium.

TABLE 5 STANDARD SIZES OF TOP-POUR ( TPT ) TYPE CRUCIBLES

( auuss 3.1 )

CRCCIRLE

Dee~osir:o~

TP r-i5

TPT-120

TPT-200

TPT-JO0

TPT-400

TPT-500

TPT- 1200

HSXGHT, h

mm

(2)

725

762

914

! 016

800

940

1 192

EXTERNAL EXTERNAL DIAMETER DlAMETEE ( TOP ), d, ( Borrw J‘ d,

mm mm

(3) 141

260 192

292 229

343 241

419 254

435 295

440 295

542 325

7

IS I 1748 l 1981

SHAPE CRucmLa FIG. 2 BASXN TYPE CRVCIBLB

FIG. 4 SPOUTED BASIN TYPE CRUClRLE

335. 5 TOP-POUR TYPE

CRUCIBLE

8.1.1 The crucibles may also be market! with the Standard Mark.

UCTE - Ti.e USL’ of the Standard Mark is governed by tne srovlsioos of the Bureau of Ind:an S:aodards Act, 19d6 and the Rules and ReguMion: mrlde there. under. The Standard ,Mxk on products covered by an Indian, Standard convey7 the ars’uran~e ihat. they ‘nay:e been grodxed to cornDlv with the reqzirements o? that standard under a weil de’lned system or inspectibc, testing and quality contrail whlc:? 1s de\rsed and supervised by BIS and operated by the producer. Standard aarited xoducts are a!so continuous!y checked by RIS for cont‘ormi:y to that s:andard as a Ctirther safeguard. Detaiis of conditions under which a licdnce for !he 1.1~~ 0: the Sraldard Mark may be granted to manufacturers or prGducers may be obtained irom the Burea;l of Indian Standards.

9

Graph:te Crucibles SubcommitWr, S.tlDC 18 : 1