Alloy Steel
Alloy Steel
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
Equivalent Grades
Internal Standard
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
Equivalent Grades
Internal Standard
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
Equivalent Grades
Internal Standard
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
Certificate & Inspection : c/w Calibration Works Certificate EN10204 3.1 Mill Test Report, NACE MR-01-75/ISO-15156, European
Pressure Equipment Directive PED 97/23/EC, AD 2000-WO, ASME Boiler & Pressure Vessel Code Section-II Part-A Edition
2008, API 6A, with 3.2 certificate duly certified & approved by LRS-Lloyd's Register, GL-Germanischer Lloyd, BV-Bureau
Veritas, DNV-Det Norske Veritas, ABS-American Bureau of Shipping, SGS, TUV, RINA, IRS, NORSOK APPROVED STANDARD
M630, M650 Rev.3