... it is similar to D2( ASTM), 1.2379(DIN), SKD11(JIS)Chemical Composition: C 1.50, Si 0.35, Mn 0.35 ... production2. Cr12MoV , it is similar to 1.2601(DIN), SKD11(JIS)Chemical Composition: C 1.60, Si 0.35, Mn 0. ... mold in bulk production3. 7Cr7Mo2V2Si (GB)Chemical Composition: C 0.74, Si 1.10, Mn 0.45, P≤0.030, ... (GB), it is similar to A2( ASTM) 1.2363(DIN))Chemical Composition: C 1.00, Si 0.40, Mn 0.75, P ...