Hot Work Die Steel
H11
H12 Steel
H12 is a chromium-molybdenum-tungsten hot-work tool steel designated under AISI and specified in ASTM A681 as UNS T20812. It is a general-purpose hot-work grade containing approximately 5 % chromium with additions of molybdenum, tungsten and vanadium, used for dies and tools requiring toughness and resistance to heat checking.
H13 Steel
H13 Steel is a chromium-molybdenum-vanadium hot-work tool steel identified as AISI H13 and UNS T20813, and is publicly associated with ASTM A681. It is documented for hot-work tooling applications, while the specific product form, delivery condition, and premium refining route must be defined separately for the material actually supplied.
