IS 5518: Steels for die blocks for drop forging

10 Pages·1996·1.2 MB·English

by  Bureau of Indian Standards

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IS 5518 (1996): Steels for die blocks for drop forging [MTD
16: Alloy Steels and Forgings]
“!ान $ एक न’ भारत का +नम-ण”
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“Knowledge is such a treasure which cannot be stolen”

IS5518:1996,

Indian Standard
i
SLEETS ROF EID SKCOLB
ROF PORD GNIGROF - NOITACIFICEPS
( Second Revision )
ICS 77.140.80

0 BIS 1996
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002

Price Group 2
yollA sleetS and laicepS sleetS lanoitceS ,eettimmoC DTM 16
FOREWORD
sihT naidnI dradnatS dnoceS( )noisiveR was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif
yb eht yollA sleetS and laicepS sleetS lanoitceS ,eettimmoC had neeb devorppa yb eht lacigrullateM gnireenignE
noisiviD .licnuoC
sihT standard was tsrif dehsilbup ni 1966 and was desiver ni 1979. As a tluser fo eht ecneirepxe deniag
ni eht noitcudorp and esu fo ,sleets ti has neeb dediced ot ekatrednu its .noisiver
ehT rojam snoitacifidom edam ni this noisiver :era
)a secnerefeR ot tnaveler SI standards evah neeb detaroprocni ni esualc 2.
)b owT wen sedarg 55T Ni 7Cr lV5oM4 and lV3oM3rC7iN55T gnieb ylediw desu ni eht yrtnuoc
tnelaviuqe( ot NID 1.271 3 and 1.271 4 ) evah neeb dedulcni rednu suoirav .sesualc
sihT standard sniatnoc sesualc 5.1, 5.3, 7.1, 9.2.1, 11.1, 13.1, 14.1 and 15.1 hcihw llac
rof tnemeerga neewteb eht resahcrup and eht .rerutcafunam
An evitamrofni xennA A has neeb dedulcni rof eht tifeneb fo eht resahcrup gnivig sralucitrap ot eb deificeps
yb eht resahcrup elihw gnicalp redro rof eht sleets derevoc ni this standard.
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo~ this standard is deilpmoc ,htiw eht lanif
,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ffo ni ecnadrocca htiw
SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav .‘)desiver( ehT rebmun fo tnacifingis secalp deniater
ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard.
SI 5518 : 1996
Indian Standard
STEELS FOR DlE BLOCKS
FOR DROP FORGING- SPECIFICATION
(S econd Revision )
4.2 sleetS derevoc ni siht dradnats llahs eb ordered
1 SCOPE
dna dereviled no the sisab of :
sihT dradnats srevoc the stnemeriuqer for sleets for
>a
eid skcolb ni ,erauqs ralugnatcer dna ralucric snoitces lacimehC ,sisylana or
for drop .gnigrof b) lacimehC sisylana dna the ssendrah ni
delaenna ,noitidnoc or
2 SECNEREFER c>
lacimehC sisylana dna the ssendrah ni
ehT gniwollof naidnI sdradnatS are yrassecen stcnujda denedrah dna derepmet .noitidnoc
ot siht :dradnats
5 ERUTCAFUNAM
SI No. Title
5.1 sselnU agreed ot ni the order, the processes desu
228 Methods of lacimehc sisylana of
ni gnikam the leets dna the stcudorp are tfel ot the
leets (various parts)
noitercsid of the ,rerutcafunam tub the sleets llahs
1762 Code for noitangised of sleets : eb ylluf .dellik nehW so ,derised the resahcrup llahs
(Part 1) : Part 1 Based no rettel slobmys tsrif( eb demrofni of the leets gnikam process.
1974 revision)
,revewoH for ylsuounitnoc cast sleets dna for sleets
1500 : 1983 11enirB ssendrah test for cillatem
ni yllaiceps treated ,noitidnoc ekil yradnoces ,denifer
slairetam
muucav degassed. galsortcelE or xulf-rotcele ,denifer
1956 : 1976 yrassolG of smret gnitaler ot etc, the leets gnikam process llahs eb agreed ot at
sleets : Parts 1 ot 8 the emit of yriuqne dna order. roF ylsuounitnoc cast
3664 : 1991 Code of ecitcarp for cinosartlu ,slairetam the noitcuder oitar neewteb the cast tcudorp
eslup echo gnitset yb tcatnoc dna dna the lanif tcudorp llahs eb deerga~ ot at the emit
noisremmi dohtem of .gniredro
3711 : 1966 noitceleS dna noitaraperp of selpmas 5.2 tneiciffuS snoitcuder dna sdracsid llahs eb edam
dna test seceip for lacinahcem tests morf each togni ot erusne modeerf morf ,gnipip
for thguorw sleets lufmrah noitagerges dna other lufmrah defeets.

8910 : 1978 lareneG lacinhcet yreviled -eriuqer 5.3 sselnU esiwrehto agreed ot neewteb the resahcrup

stnem for sleets dna leets tcudorp dna the ,rerutcafunam the dohtem of gnigrof ralucric
10138 cipocsorcaM sdohtem for -imreted eid skcolb si tfel ot the noitercsid of the .rerutcafunam
noitan of cillatemnon noisulcni ni
5.4 ehT lairetam llahs eb ylreporp denoitidnoc gnirud
thguorw sleets
the process of erutcafunam ot evomer yna ecafrus
(Part 1) : 1992 eulB erutcarf test dohtem tsrif( noisserpmi ylekil ot ecudorp defects ni the dehsinif
revision) .stcudorp ehT depth of gninoitidnoc llahs eb nihtiw
(Part 2) : 1983 Step denihcam test dohtem gninihcam ecnawolla dna the htdiw of gninoitidnoc
llahs eb at tsael ruof semit sti greater depth.
(Part 3) : 1983 citengaM elcitrap noitcepsni dohtem
11371 : 1985 Method for hcetorcam test for 6 MODEERF MORF STCEFED
thguorw leets stcudorp
ehT lairetam llahs eb free morf lanretni defects ekil
12211 : 1987 cihpargorciM dohtem for gnissessa
epip dna .sekalf tI llahs eb free morf lufmrah ecafrus
the noitubirtsid of sedibrac ni loot
defects ekil ,smaes spal dna cracks dnoyeb the
leets dna gniraeb sleets gnisu
gninihcam .ecnarelot
shpargorcimotohp
7 LACIMEHC NOITISOPMOC
3 YGOLONIMRET
7.1 ehT eldal sisylana of leets llahs eb as nevig
roF the esoprup of siht ,dradnats the snoitinifed nevig
ni elbaT 1. ehT sisylana llahs eb deirrac tuo yb
ni tnalever parts of SI 1956 llahs .ylppa
SI 228 dna sti tnaveler parts or yna other dllbatse
lacimehc/latnemurtsni ,dohtem nI case of yna ,etupsid
4 YLPPUS FO LAIRETAM
the erudecorp nevig ni SI 228 dna sti tnaveler parts
4.1 lareneG stnemeriuqer gnialer ot the ylppus of llahs eb the referee .dohtem revewoH where the
lairetam llahs mrofnoc ot SI 8910 : 1978. dohtem si ton nevig ni SI 228 dna sti tnaveler parts,
IS 5518 : 1996
Table 1 Chemical Composition of Steels for Die Blocks
(Clacrses 7.1 ot 7.3 and 11.1)
Steel Designation Chemical Composition, Percent
:
IS 1762 (Part 1) 1974 _ A
/ c iS nM Ni rC ’oM V s P
MUX MUX
6TO6 56.0-55.0 53.0-01.0 08.0-050 - - 0.035 s30.0
SiNOOT 56.0-SS.O .0 53.O-OI 08.0-05.0 4.1-0.1 - 530.0 530.0
3rCbiNSST 06.0-05.0 5.3.0-01.0 08.0-05.0 I I-52. 56. 08.0-05.0 s30.0 530.0
4oMrCiNOST 35.0-84.0 53.0.01.0 08.0-05.0 00.1-08.0 00.1-08.0 04.0-03.0 530.0 530.0
3oM3rCbiNSST 06.0-OS.O 5.3.0-01.0 08.0-050 I l-52. S7. 08.0-05.0 53.0-5.2.0 530.0 530.0
IVSoM4rC7iNSST 06.0-050 53.0-01.0 09.0-06.0 08.1-05.1 02.1-00.1 55.0-54.0 70.0 ot 21.0 s30.0 530.0
IV3oM307iNSST 06.0-05.0 53.0-01.0 09.0-06.0 08.1-05.1 08.0-06.0 08.0-52.0 70.0 ot 21.0 530.0 530.0
the referee dohtem llahs eb as agreed ot neewteb the 8 HEAT TREATMENT
resahcrup dna the .rerutcafunam
leetS llahs eb deilppus ni delaenna or ni denedrah
7.2 sselnU esiwrehto agreed, stnemele reverehw ton dna derepmet ,noitidnoc as deificeps ni the order.
detouq ni elbaT 1 llahs ton eb added ot the leets except
for the esoprup of gnihsinif taeh-eht dna llahs ton exceed 9 SSENDRAH
the gniwollof :stimil
9.1 sleetS ni the delaenna ,noitidnoc nehw tested
ni ecnadrocca htiw SI 1500 : 1983 llahs evah the
Element Percent, MUX
11enirb ssendrah as nevig :woleb
muimorhC 0.25
munedbyloM 0.25
Steel Designation Brine11 Hardness,
lekciN 0.25
HB, MUX
Copper 0.35
niT 0.05 60T6 220
tlaboC 0.10 5iN06T 220
muidanaV 0.05
3rC6iN55T
255
netsgnuT 0.25
4oMrCiNOST
255
7.3 Check Analysis 3oM3rC6iN55T
255
reverehW ,deificeps cheek sisylana llahs eb deirrac tuo V5oM4rC7iN55T I
255
no the dehsinif .tcudorp ehT elbissimrep noitairav of
V3oM3rC7iN55T 1
the check sisylana for the stimil of eldal sisylana nevig 255
ni elbaT 1 llahs eb as nevig ni elbaT 2.
9.2 ,sleetS nehw ordered ni the denedrah dna
Table 2 Permissible Variation in Check Analysis derepmet ,noitidnoc llahs evah the gniwollof
ssendrah :egnar
Element Permisible Permissible Variation
Contents in of Product
Ladle Analysis Analysis Steel Designation Brine11 Hardness,
(Percent) (Percent)
HB, Max
(1) (2) (3)
C 0.48 ot 5.6.0 f 0.03 60T6 2 962-21
iS .0 OI ot 53.0 f 0.03 5iN06T 2 962-21
1lM 05.0 ot 09.0 * 0.04 3rC6iN55T 203-532
Ni 08.0 ot 08.0 * 0.05
-lC 05.0 ot 02.1 * 0.0s 4oMrCiNOST 774-962
oM 52.0 ot ss.o * 0.04 3oM3rC6iN55T 774-962
V 70.0 ot 21.0 * 0.02
P < 530.0 + 0.005 V5oM4rC7iN55T 1 774-962
s < 530.0 f 0.005 lV3oM3rC7iN55T 774-962
ETON - ehT ,snoitaived rehto naht nehw mumixam ylno eram
,deificeps ylppa rehtie evoba ro woleb eht deificeps stimil fo eht 9.2.1 nehW ordered ni denedrah dna derepmet
,egnar tub ton htob evoba ro woleb rof eht emas tnemele morf ,noitidnoc sleets ,1V3oMrC7iN55T dna 4rC7iN55T
tnereffid elpmas stcudorp morf eht emas .tsac nehW amixam ylno
lVSoM llahs eb deilppus ot yna eno of the
era ,deificeps eht snoitaived era evitisop .ylno ehT seulav era
dilav ylno fi eht selpmas e-la detceles ni ecnadrocca htiw IS gniwollof srepmet as deificeps ni the order, sselnu
173 I : .6601 os taht yeht tneserper eht egareva noitisopmoc fo esiwrehto agreed ot neewteb the resahcrup dna the
eht ssorc noitces fo eht .tcudorp :reilppus

2
IS 5518 : 1996
Temper Brine11 Hardness, Range, HB 12 DIMENSIONAL TOLERANCES
A 444-477 12.1 ehT gniwollof secnarelot llahs ylppa for eid
B 924-883 :skcolb
C 573-143 Size Tolerance
mm
D 33-203 1 Ft”nU 375 8+
E 592-962 4. I 0-
revO 375 + 15
ETON - rehtO ssendrah tset sdohtem yam eb desu yb 0-
tnemeerga neewteb rerutcafunam dna .resahcrup
13 MACHINING A-LLOWANCE
10 SAMPLING
13.1 ehT gninihcam ecnawolla llahs eb as agreed ot
neewteb the resahcrup dna the .rerutcafunam
10.1 Sampling for Chemical Analysis
14 ULTRASONIC TEST
ehT eldal sisylana llahs eb deilppus yb the -unam
.rerutcaf fI the tcudorp sisylana si deriuqer yb the 14.1 Each rab of ezis 100 mm dna evoba or each
resahcrup at tsael eno elpmas tcudorp llahs eb nekat eid skcolb llahs eb yllacinosartlu tested ni ecnadrocca
morf each cast. htiw SI :~4663 1981 for lanretni ,ssendnuos the
ecnatpecca dradnats for hcihw llahs eb yllautum agreed
10.2 gnilpmaS for ssendraH ot neewteb the resahcrup dna the rerutcafunam at the
emit of order.
fI deilppus ni rab ,mrof eno elpmas llahs eb nekat
15 LANOITIDDA STSET
morf each heat tnemtaert hctab for the noitanimreted
of 11enirB .ssendrah fI deilppus as eid ,skcolb each 15.1 fI agreed ot neewteb the resahcrup at the emit
kcolb llahs eb tested for 11enirB ssendrah no the of yriuqne dna order, yna or a noitanibmoc of the
noisserpmi face. gniwollof tests yam osla eb deirrac tuo ot tahterusne
the sleets teem the ytilauq stnemeriuqer of the :resahcrup
11 TSETER
a) Macro etch test ni ecnadrocca htiw
11.1 Retest for tcudorP sisylanA SI 11371 : ;5891
)b ssenilnaelC test as per
fI the stluser of the tcudorp sisylana do ton teem SI 10138 (Part 1) : 1992,
the noitisopmoc stnemeriuqer nevig ni elbaT 1, sselnu SI 10138 (Part 2) : 1983 dna
esiwrehto agreed ot neewteb the resahcrup dna the SI 10138 (Part 3) : ;3891 dna
,rerutcafunam two wen selpmas llahs eb nekat morf c) noitubirtsiD of sedibrac as per
tnereffid seceip of the emas cast. dluohS the sisylana SI 12211 : 1987.
of the two selpmas yfsitas the ,stnemeriuqer the tol
detneserper llahs eb accepted. dluohS rehtie of the 16 GNIKRAM
test ,liaf the lairetam llahs eb nekat as ton gniylp moc 16.1 Each rab evoba 50 mm retemaid or tnelaviuqe
htiw siht .dradnats cross noitces or each eid kcolb llahs eb ylbatius
dekram htiw the :gniwollof
11.2 Retest for ssendraH
a) emaN or kram-edart of the ;rerutcafunam dna
fI the elpmas detceles rednu 10.2 sliaf ot teem the )b Cast rebmun or yna other noitacifitnedi kram
ssendrah tnemeriuqer of siht ,dradnats two wen yb hcihw the cast rebmun dna grade nac eb
selpmas llahs eb nekat morf tnereffid seceip of the traced.
emas tnemtaert-taeh .hctab dluohS the ssendrah of
the two selpmas yfsitas the ,stnemeriuqer the tnemngisnoc 16.2 SIB noitacifitreC gnikraM
llahs eb accepted. dluohS rehtie of the two selpmas
ehT lairetam yam osla eb dekram htiw the dradnatS
,liaf the rerutcafunam llahs evah the ,thgir fi he so
Mark.
,serised ot taert-taeher the tcudorp ni yna elbatius
rennam erofeb fresh selpmas are nekat for .gnitseter 16.2.1 ehT esu of the dradnatS Mark si denrevog
ehT rerutcafunam yam taert-taeher ton erom naht yb the snoisivorp of Bureau of Indian Standards
ecirht for gnitseter tuohtiw lavorppa of the .fesahcrup Act, 1986 dna the seluR dna snoitalugeR edam
fI the lairetam sliaf ot tibihxe the deriuqer ssendrah .rednuereht ehT sliated of snoitidnoc rednu hcihw
after heat tnemtaert for the driht ,emit ti llahs eb the ecnecil for the esu of dradnatS Mark yam eb
deredisnoc as ton gniylpmoc htiw siht ,dradnats sselnu detnarg ot srerutcafunam or srecudorp yam eb deniatbo
rehtruf heat tnemtaert si devorppa yb the .resahcrup morf the uaeruB of naidnI .sdradnatS
IS 5518 : 1996
BASIS FOR ORDER
elihW gnicalp na order for the sleets derevoc yb siht *“ d) stseT deriuqer
,dradnats the resahcrup dluohs ylraelc yficeps the
:gniwollof e) laicepS ,stnemeriuqer hcus as gnildnub dna
gnikcap-
I
a) edarG of leets
0 Method of srerutcafunam
)b Shape dna ezis
c) noitidnoC io yreviled g) tseT reports, fi deriuqer

4
Bureau of Indian Standards
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suoinomrah tnempoleved of the seitivitca of ,noitazidradnats gnikram dna ytilauq noitacifitrec of goods dna
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Copyright
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seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ,)snoitacilbuP( .SIB
Review of Indian Standards
stnemdnemA are deussi ot sdradnats as the deen sesira no the sisab of .stnemmoc sdradnatS are osla deweiver
;yllacidoirep a dradnats gnola htiw stnemdnema si demriffaer nehw hcus weiver setacidni that on segnahc
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sihT naidnI dradnatS has neeb depoleved morf Dot No. : DTM 16 ( 3669 ).
Amendments Issued Since Publication
dnemA No. Date of eussI txeT detceffA
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