... ASTM), 1.2379(DIN), SKD11(JIS)Chemical Composition: C 1.50, Si 0.35, Mn 0.35, ... mold in bulk production3. 7Cr7Mo2V2Si (GB)Chemical Composition: C 0.74, Si 1.10, Mn 0.45, ... ( ASTM), 1.2510(DIN)), SKS3(JIS)Chemical Composition: C 0.93, Si 0.40, Mn 1.20, P ... to 1.2419(DIN)), SKS31(JIS)Chemical Composition: C 0.98, Si 0.40, Mn 1.00, ... Steel for pressing mold, ornaments pressing mold High Speed Steel Sheet