equivalent steel grades.doc
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steel gradesTRANSCRIPT
July 18, 2002
Comparison of Grades of Steel Specified in the Indian Standards withNearest Equivalent Grades Specified in other National Standards
1 Ball and Roller Bearing Steel IS BS DIN SAE
Current Obsolete Obsolete Current Obsolete Current Current4398:1994 1570 970:1956 970-1:1983 EN ISO
683-17:199917230:1980 EN ISO
683-17:1999J404:1994
Chromium Steel104Cr6 105Cr1 En 31 535A99 100Cr6 100Cr6 100Cr6 E521002 Case Hardening Steels
IS BS DIN SAECurrent Obsolete Obsolete Current Obsolete Current Current
4432:1988 1570,4432,5517
970:1956 970-1:1983 EN 10084:1998 17210:1986 EN 10084:1998 J403:1995J404:1994J1268:1995
Carbon Steels10C4 C10 En 2E, En
32A045A10,045M10
C10E, C10R
C 10, Ck 10
C10E, C10R
1010,1012
15C8(Class 1A)
C15Mn75 En 32C 080A15,080M15
C16EC16R
C16EC16R
1018
20C8(Class 2)
C20 3D 070M20 - - - 1018,1019,1021,1022
Chromium Steels15Cr3 15Cr65 En 206 523H15,
523M1517Cr3 17Cr3 17Cr3
Chromium-Manganese Steels16Mn5Cr4 17Mn1Cr95 590H17,
590M1716MnCr5 16MnCr5 16MnCr5
20Mn5Cr5 20MnCr1 20MnCr5 20MnCr5 20MnCr5 Nickel-Molybdenum Steel20Ni7Mo2 665H20,
665M20 4620,
4620HNickel-Chromium-Molybdenum Steels20Ni2Cr2Mo2 En 362 805A20,
805H20,805M20
20NiCrMo2-2 20NiCrMo2 20NiCrMo2-2 8620,8620H
15Ni5Cr4Mo1 15NiCr1Mo12 En 353 815H17, 815M17
20Ni7Cr2MO2 4320, 4320H
3 Free Cutting SteelsIS BS DIN SAE
Current Obsolete Obsolete Current Obsolete Current Current4431:1978 1570,
4431970:1956 970-1:1983 EN 10087:1999 1651:1988 EN 10087:1999 J403:1995
11C10S25 11S25 En 1A 220M07 10S20 10S20 10S20 14C14S14 14Mn1S14 En 32M 214A15
214M1515SMn13 15S10 15SMn13 1118
1 Steels for Quenching and Tempering, and Flame and Induction HardeningIS BS DIN SAE
Current Obsolete Obsolete Current Obsolete Current Current5517:19933930:1994
1570,39305517
970:1956 970-1:1983 EN 10083-1:1991EN 10083-2:1991
17200:1987 EN 10083-1:1996EN 10083-2:1996
J403:1995J404:1994J1268:1995
Carbon Steels30C8(Class 3)
C30 En 5, En 5A,En 5B,En 5C,En 5D,En 5K
080A30,080M30,080A32
C30, C30E,C30R
C 30,Ck 30, Cm 30
C30, C30E,C30R
1029, 1030
35C8(Class 3A)
C35Mn75 En 8A, En 8B
080A35, 080M36, 080A37
C35, C35E, C35R
C 35, Ck 35, Cm 35
C35, C35E, C35R
1035
40C8
C40 En 8, En 8B,
080A37,080A40,
C40, C40E,
C 40,Ck 40,
C40, C40E,
1038, 1038H,
En 8C,En 8D,En 8K
080M40,080A42
C40R Cm 40 C40R 10391040
45C8(Class 4)
C45 En 8D 080A42,080M46
C45, C45E,C45R
C 45,Ck 45, Cm 45
C45, C45E,C45R
104210431045, 1045H, 1046
50C8 C50 En 43A, En 43B,En 43C
080A47,080M50
C50, C50E,C50R
C 50,Ck 50, Cm 50
C50, C50E,C50R
1049,1050,1053
55C8(Class 5)
C55Mn75 En 9, En 9K,En43C
080A52,070M55,080A57
C55, C55E,C55R
C 55,Ck 55, Cm 55
C55, C55E,C55R
1055
High-Manganese Carbon Steels37C15 37Mn2 En 15,
En 15A150M36,150H36
1541, 1541H
Chromium Steels40Cr4 40Cr1 En 18,
En 18D530A40, 530H40, 530M40
41Cr4 41Cr4 41Cr4 5140, 5140H
Chromium-Molybdenum Steel42Cr4Mo2 40Cr1Mo28 En 19A,
En 19B,En 19C
708A40708M40
42CrMo4 42CrMo4 42CrMo4 4140,4140H,4142.4142H
5 Spring Steels IS BS DIN SAE
Current Obsolete Obsolete Current Obsolete Current Current2507:19753431:1982
1570 970:1956 - 970-2:19885770:1981
- 17221:198817222:1979
J403:1995J404:1994
Carbon Steels65C6 C65 En 42B,
En 43E- 080A67 - - 1065
70C6 C70 En 42,En 42C
- 070A72,70
- C 67,Ck 67
1070
75C6 C75 En 42C - 070A78 - C 75,Ck 75
1074,1075
80C6 C80 En 42 - 070A78,80
- - 1080
Low Alloy Steels50Cr4V2 50Cr1V23 En 47 - 735A51,
735H51- 51CrV4 6150,
6150H6 Structural Steels
IS BS DIN SAECurrent Obsolete Obsolete Current Obsolete Current Current
2062:1992 226 - - - - - -Unalloyed Structural SteelsFe 410 W A St 42 - - - - - -7 Valve Steels
IS BS DIN SAECurrent Obsolete Obsolete Current Obsolete Current Current
7494:1981 - 970:1956 970-4:1970 EN 10090:1998 17480:1992 EN 10090:1998 J775:1993
Martensitic Valve SteelsX43Cr9Si3 - En 52 401S45 X45CrSi9-3 X45CrSi9-3 X45CrSi9-3 S65007 (Sil 1)Austenitic Valve SteelX53Cr22Mn9Ni4N - - 349S52 X53CrMnNiN21-9 - X53CrMnNiN21-9 S63008 (21-4N)
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