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DAIDO DMS (THAILAND) CO.,LTD.
Tool steels / Heat treatment / Surface treatment (Nitriding, TD processing and PVD coating)

Plastic mold steels

It is used in injection molding dies for forming plastic products.


Steel type list

Click on the catalog to see details.


Classification Steel type name Equivalent Standard Features Catalog
JIS AISI
SCM series
PX4
SCM (revised) P20 General-purpose pre-hardened steel
(30HRC to 33HRC)

EN(2,316KB)

  PAC5000 General-purpose pre-hardened steel
(36HRC to 40HRC)

EN(699KB)

Precipitation hardening type NAK55 P21 modified Free-cutting pre-hardened steel
(37HRC to 43HRC)
JP(1,326KB)
 EN(573KB)
 TH(654KB)
NAK80 P21 modified Highly mirror-finished prehardened steel
(37HRC to 43HRC)
Stainless Steel S-STAR SUS420J2 modified Ultra-mirror hardened and tempered steel
(double melt material)
JP(784KB) 
EN(2,364KB)
G-STAR SUS420F modified 420F modified Highly corrosion- resistant, free-cutting stainless steel

JP(750KB)

 

Latest Update 24 Mar 2025