Equivalent Grades

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ALLOY STEEL

Equivalent Grades
Internal Standard BS DIN IS EN SAE/AISI
EN18 530A40 37Cr4 40Cr1 EN18 5140
EN24 817M40 34CrNiMo6 40NiCr4Mo3 EN24 4340
EN19C 709M40 - 40Cr4Mo3 EN19C 4140,4142
EN19 709M40 42Cr4Mo2 40Cr4Mo3 EN19 4140,4142
EN18D 530A40 37Cr4 40Cr1 EN18D 5140
EN18C 530A40 37Cr4 40Cr1 EN18C 5140
EN353 815M17 - 15NiCr1Mo12 EN353 -
EN18A 530A40 37Cr4 40Cr1 EN18A 5140
EN354 820M17 - 15NIVCr1Mo15 EN354 4320
27C15 - 28Mn6 27C15 - 1527
20MnCr5 - 20MnCr5 20MnCr1 - -
20Mn2 150M28 - 20Mn2 EN14A 1524
16MnCr5 - 16MnCr5 17Mn1Cr95 - 5120
15Cr3 523A14 15Cr3 15Cr65 EN206 5015
FILESTEEL - - - - -
EN18B 530A40 37Cr4 40Cr1 EN18B 5140
SCM420 708M20 - - - -
SAE8620 805M20 - 20NiCrMo2 EN362 SAE8620

CARBON STEEL

Internal Standard Equivalent Grades
BS DIN IS EN SAE/AISI JIS
EN15B 150M36 36Mn5 37Mn2, 37C15 EN15B 1536 -
EN32B - CK15 C14 EN32B 1015,1016,1018 -
SAE1038 - CK38 - - 1038 -
EN43C - - C50 EN43C 1050 -
CK45 - CK45 45C8 1045 - -
EN9 070M55 CK55 C55 EN9 1055 -
C35 - C35 35C8, C35Mn75 - 1035 -
EN42 - CK75 80C6 EN42 1074 -
EN42B - C67 65C6 EN42B 1065 -
EN43 080M50 C55 60C6 EN43 1055 -
EN43B 080A47 CK45 - EN43B 1045 -
SAE1541 150M36 36Mn7 37C15 EN15,15A SAE1541 SMn438
EN8 080A40 CK45 45C8 EN8 1040,1045 -
EN8A 080A40 CK45 45C8 EN8A 1040,1045 -
EN8B 080A40 CK45 45C8 45C8 1040,1045 -
EN8C 080A40 CK45 45C8 EN8C 1040,1045 -
EN8D 080A40 CK45 45C8 EN8D 1040,1045 -

HIGH CARBON STEEL

Internal Standard Equivalent Grades
EN SAE/AISI JIS***
PC77 - 1075 SWRH77B
PC80 - 1080 SWRH82B
PC80CR - 1080 SWRH82B
PC270K - 1080 SWRH82B
PC270KCrV - 1080 SWRH82B
R30 EN5D 1030 SWRH32B
R35 - 1035 SWRH37B
R40 EN8 1040 SWRH42B
R45 EN43B 1045 SWRH47B
R50 - 1050 SWRH52B
R55 EN9 1055 SWRH57B
R60 EN43D 1060 SWRH62B
R65 EN42B 1065 SWRH67B
R70 - 1070 SWRH72B
R75 - 1075 SWRH77B, SUP3
R80 - 1080 SWRH82B
R80M - 1085 SWRH87B
R95 - 1090 3CD95A

SPRING STEEL

Internal Standard Equivalent Grades
BS DIN IS EN SAE/AISI JIS
60Si7 - 60Si7 60Si7 EN45A - -
SUP7 - 59Si7 - EN45A 9260 SUP7
SUP12V 685A57 54SiCr6 - - 9254 SUP12V
55Si7 - 55Si7 55Si7 EN45A - -
EN45 250A53 55Si7 55Si2Mn90 EN45 9255 -
65Si7 - 65Si7 - EN45A 9260 -
EN45A 250A58 - - EN45A 9260 -
50CrV4 735A51 50CrV4 50Cr4V2 EN47 6150 SUP10
SAE9254 - - - - 9254 -
SUP7N - - - - 9260 SUP7N
SUP11A - - - - 51B60 SUP11A
SUP9 - 55Cr5 - - 5155 SUP9

BEARING QUALITY STEEL

Internal Standard Equivalent Grades
BS DIN IS EN SAE/AISI
SAE52100 534A99/535A99 100Cr6 103Cr1 EN31 SAE52100
EN31M 534A99/535A99 100Cr6 103Cr1 EN31M 52100
EN31 534A99/535A99 100Cr6 103Cr1 EN31 52100

COLD HEADING QUALITY STEEL - CHQ

Internal Standard Equivalent Grades
BS DIN IS EN SAE/AISI JIS
SAE1020CHQ 070M20 CK22 C20 EN 3A SAE1020 SWRCH20A
SAE1022CHQ - - - - SAE1022 -
SAE4140CHQ 709M40 42CrMo4 40Cr4Mo3 EN19 SAE4140 SCM440
SAE1018CHQ - H111 C-15Mn75 EN2C SAE1018 -
SAE1541CHQ 150M36 36Mn7 37C15 EN15,15A SAE1541 SMn438
15B41 - - - - 15B41 -
1045CHQ - CK45,C45 45C8,C45 - 1045 -
SAE1015CHQ - CK15 - EN32B SAE1015 -
1038CHQ - CK38 - - 1038 -
SAE1012CHQ 040A12 CK10 C7, C10 2A/1,2B SAE1012 SWRCH12A
15B25 - - 26C10BT - 15B25 -
SAE1010CHQ - CK10 C10 - SAE1010 -
10B21 - - 21C10BT - 10B21 -
SAE1008CHQ 040A04 C10 C5 2A,2A/1,2B SAE1008 SWRCH8A

FREE CUTTING STEEL

Internal Standard Equivalent Grades
BS DIN IS EN SAE/AISI JIS
EN15(AM) 216M36 - 40Mn15S12 ENI5(AM) 1137 -
EN1A 220Mo7 9SMn28 11C10S25 EN1A 1213 SUM22
EN1APB 220Mo7Pb 9SMnPb36 - EN1APB 12L14 SUM24L
EN8M 212M36 - 40C10S18 EN8M 1I46 -
SAE1146 - - 40C10S18 EN8M SAE1146 -

LOW CARBON STEEL

Internal Standard Equivalent Grades
BS DIN IS EN SAE/AISI JIS
LCCF 040A04 C10 CS 2A, 2A/1, 2B SAE1008 SWRCH8A
SAE1015 - CK15 - - SAE1015 -
SAE1012 040A12 CK10 C7, C10 2A/1, 2B SAE1012 SWRCH12A
SAE1010 - CK10 C10 - SAE1010 -
SAE1008 040A04 C10 C5 2A, 2A/1, 2B SAE1008 SWRCH8A
SAE1020 070M20 CK22 C20 EN 3A SAE1020 SWRCH20A
P12 - - - - - -
SAE1018 - CK15 C15Mn75 EN32B,EN32C SAE1018 -

CARBON STEEL

USA Japan Germany U. K. France Italy Spain Sweden China
AISI/SAE JIS W.-nr. DIN BS EN AFNOR UNI UNE SS GB
A570.36 STKM 12A
STKM 12C		 1.0038 RSt.37-2 4360 40 C – E 24-2 Ne – – 1311 15
1015 – 1.0401 C15 080M15 – CC12 C15, C16 F.111 1350 15
1020 – 1.0402 C22 050A20 2C CC20 C20, C21 F.112 1450 20
1213 SUM22 1.0715 9SMn28 230M07 1A S250 CF9SMn28 F.2111
11SMn28		 1912 Y15
12L13 SUM22L 1.0718 9SMnPb28 – – S250Pb CF9SMnPb28 11SMnPb28 1914 –
– – 1.0722 10SPb20 – – 10PbF2 CF10Pb20 10SPb20 – –
1215 – 1.0736 9SMn36 240M07 1B S300 CF9SMn36 12SMn35 – Y13
12L14 – 1.0737 9SMnPb36 – – S300Pb CF9SMnPb36 12SMnP35 1926 –
1015 S15C 1.1141 Ck15 080M15 32C XC12 C16 C15K 1370 15
1025 S25C 1.1158 Ck25 – – – – – – 25
A572-60 – 1.890 StE380 4360 55 E – – FeE390KG – 2145 –
1035 – 1.0501 C35 060A35 – CC35 C35 F.113 1550 35
1045 – 1.0503 C45 080M46 – CC45 C45 F.114 1650 45
1140 – 1.0726 35S20 212M36 8M 35MF4 – F210G 1957 –
1039 – 1.1157 40Mn4 150M36 15 35M5 – – – 40Mn
1335 SMn438(H) 1.1167 36Mn5 – – 40M5 – 36Mn5 2120 35Mn2
1330 SCMn1 1.1170 28Mn6 150M28 14A 20M5 C28Mn – – 30Mn
1035 S35C 1.1183 Cf35 060A35 – XC38TS C36 – 1572 35Mn
1045 S45C 1.1191 Ck45 080M46 – XC42 C45 C45K 1672 Ck45
1050 S50C 1.1213 Cf53 060A52 – XC48TS C53 – 1674 50
1055 – 1.0535 C55 070M55 9 – C55 – 1655 55
1060 – 1.0601 C60 080A62 43D CC55 C60 – – 60
1055 S55C 1.1203 Ck55 070M55 – XC55 C50 C55K – 55
1060 S58C 1.1221 Ck60 080A62 43D XC60 C60 – 1678 60Mn
1095 – 1.1274 Ck101 060A96 – XC100 – F.5117 1870 –
W1 SK3 1.1545 C105W1 BW1A – Y105 C36KU F.5118 1880 –
W210 SUP4 1.1545 C105W1 BW2 – Y120 C120KU F.515 2900 –