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Steel Specifications  Tool Steel Comparison of foreign standards - tool steel specifications Great Britain BS4659 U.S.A AISI/SAE Germany W-Nr Din Italy UNI Japan Jis France AFNOR Spain UNE B01 O1 1.2510 100MnCrW4 95MnWCr5KU ~SKS3 90MnWCrV5 90MWCV5 F.5220 95MnCrW5 BD2 D2 1.2379 X155CrVMo12-1 X155CrVMo121KU SKD11 X160CrMoV12-28 32CDV12-28 F.520A BD3 D3 1.2080 X210Cr12 X205Cr12KU SKD1 X200Cr12 Z200C12 F.5212 X210Cr12 BD6 ~D6 1.2436  -  -  -  - BA2 A2 1.2363 X100CrMoV5-1 X100CrMoV511KU SKD12 X100CrMoV5 Z100CDV5 F5.227 X100CrMoV5 BH13 H13 1.2344 X40CrMoV5-1 X40CrMoV511KU SKD61 X40CrMoV5 Z40CDV5 F.5318 X40CrMoV5 BS1 S1 1.2550 60WCrV7 55WCrV8KU  - 55WC20 F.5241 45WCrSi8 BP20 P20 1.2311  40CrMnMo7  -  -  -  - - 420 1.2083 X42Cr13  - SUS420J2 X40Cr13 Z40C14  - ~BP30 - 1.2767 X45NiCrMo4 ~42NiCrMo157 SKH51- ~Y 35NCD16  - BM2 M2 1.3343 S6 502  -  - Z85WDCV 06-05-04-02  - BM42 M42 1.3247 S2-1-1-8 HS2-9-1-8 SKH59 Z110DKCWV 09-08-04-02-01 6-5-2 BW2 W2 1.2833  -  - 105MV01  - BS1407 - 1.2002  -  - 120C2  - If the specification you require is not listed, please e-mail us with the full specification and details of your required sizes and quantities. We're here t help with those 'hard to find' steel grades.   Available forms: