Tooling by DIJET Tool Steel Brand Cross Reference Steel for plastic mold Group Hardness(HRC) JIS AISI AichiSteel JFESteelKobelco SanyoSpecialSteelDaidoSteelNippon Hitachi NachiKoshuhaSteelMetalsFujikoshiUddeHdmBohler KTSM21 13 SC type 1055 KTSM21MJFE-MD1KTSM2APC55 KPM1KPMAX KTSM22 28 SCM type 4140 JFE-MD3JFE-MD5KTSM31 PDS3 SCM(Improved) P20 KTSM3M PCM30 PX5PXA30KPM30 HPM7 M200IMPAXHHM201M238 33 SUS type 420 S-STAR GHXD-STAR420MHPM38 PROVA-400PROVA-450STAVAXM303M310 SUS type G-STAR U630 HPM77 RoyAlloy M315 (Free cutting) 35 SUS type S17400 QSH6 NAK101 PSL CORRAX N700 36 SCM P20 JHX (Improved) SUS type EDRO400 SKD61 H13 DH2F KAP90F FDAC (Improved) P21 PCM40S NAK80 KAP88 HPM-PRO M461 40 P21(Free cutting) PCM40 NAK55 KAP65 HPM1 M261 Others P21 CENA1 (Rust resistant) HPM-MAGIC NIMAX 60 SKD11 D2 AUD11(Improved) QCM8 PD613 NOGA HPM31 RIGORSLEIPNERCALDIECALMAXK105K110K340 M340 57 SUS type440C 440C QPD5 440C M390SPC5SUS440CSUS440CPROVA-500ELMAXN685(Powdered)(Powdered)N690 N695 52 SUS type420 S-STARD-STARG-STARGHXHPM38 STAVAXHPM38SPROVA-400POLMAXHPM77PROVA-450MIRRAXM310M330 MaragingOversteel MAS1C KMS18-20 YAG EXEO-M21 V720V721 50 Others CORRAX Non- 40 magnetic NMS1 HPM75 steel F016