Mold and Tool Steel

KS JIS AISI/SAE DIN HARDENESS
Carbon Steel S55C S55C 1055 C55 20-29 HRC
Plastic Mold Steel TP1 S55C 1050 C55 HB Max 215
TP4 SCM440 4140 1.2311 HS Min 38
TP4M SNCM P20 1.2738 HS Min 40