... to D2( ASTM), 1.2379(DIN), SKD11(JIS)Chemical Composition: C 1.50, Si 0.35, Mn 0.35, P≤0.030, S≤0 ... (DIN), SKD11(JIS)Chemical Composition: C 1.60, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 12.00 ... similar to A2( ASTM) 1.2363(DIN))Chemical Composition: C 1.00, Si 0.40, Mn 0.75, P≤0.030, S≤0.030 ... , Cr 5.10, Mo 1.10, V ...