Grades · Mold Steel

Mold Steel

Prehardened and stainless steels for plastic injection molds — P20 family, 1.2311, 1.2738 and 420-type grades.

1.2083

1.2083 is a martensitic stainless mold steel (420 type) combining corrosion resistance with high polishability. It is th…

DIN 1.2083AISI 420JIS SUS420J2

1.2311

1.2311 is a prehardened Cr-Mn-Mo plastic mold steel, the European workhorse for injection molds and die holders. It is d…

DIN 1.2311AISI P20 (close)GB 3Cr2Mo

1.2312

1.2312 is the sulfur-added, free-machining version of 1.2311. The added sulfur dramatically improves machinability, at t…

DIN 1.2312AISI P20+SGB 3Cr2MoS

1.2316

1.2316 is a prehardened stainless mold steel with about 17% chromium and molybdenum for improved corrosion resistance ov…

DIN 1.2316AISI 420 mod. (X36CrMo17)GB 3Cr17Mo (near)

1.2738

1.2738 is P20 chemistry upgraded with about 1% nickel for through-hardening of very large molds. It keeps hardness unifo…

DIN 1.2738AISI P20+Ni / 718 typeGB 3Cr2NiMo

1.2767

1.2767 is a 4% nickel mold and die steel with outstanding toughness and through-hardening in thick sections. It is chose…

DIN 1.2767AISI 6F3 type (near)GB 4CrNi4Mo (near)

P20

P20 is the American prehardened mold steel standard (ASTM A681), a Cr-Mo steel used for plastic injection molds worldwid…

DIN 1.2311 (close)AISI P20GB 3Cr2Mo

See also the Steel equivalent charts.