Where does 1.2367 sit in the hot work family?

Between H11 and 1.2365: H11-type Cr level (~5%) for toughness, 1.2365-type Mo level (~3%) for hot strength. It is the upgrade path when H13 dies heat-check early but full 1.2365 is too brittle for the tool geometry.

Grades · Tool Steel · 1.2367 / X38CrMoV5-3

1.2367 / X38CrMoV5-3

Data under review

1.2367 is a modified H11-type hot work steel with the molybdenum raised to about 3%, closing most of the hot-strength gap to 1.2365 while keeping H11-class toughness. In ESR quality it is a premium die-casting and forging die steel for tools that crack or heat-check in standard H13.

Hardness46–54 HRC

DIN1.2367

AISI— (modified H11 type)

CategoryTool Steel

Chemical composition

Element	Content (%)
C	0.35–0.42
Si	0.30–0.50
Mn	0.30–0.50
P	≤0.030
S	≤0.030
Cr	4.80–5.20
Mo	2.70–3.20
V	0.40–0.60

Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.

Properties

Delivery condition	Annealed (ESR commonly specified)
Working hardness	46–54 HRC
Density	7.85 g/cm³
Hot hardness	Excellent — between H11 and 1.2365

Heat treatment

Harden 1030–1080 °C oil/air/vacuum; triple temper 550–600 °C to working hardness.

Equivalent grades

Standard	Designation
din	1.2367
aisi	— (modified H11 type)

Compare side by side: 1.2367 / X38CrMoV5-3 vs H11 · 1.2367 / X38CrMoV5-3 vs H13 · 1.2367 / X38CrMoV5-3 vs 1.2365 / 32CrMoV12-28

Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.

Applications & Processing

Applications: Aluminium die casting dies (large, high-tonnage), hot forging dies, extrusion tooling, plastic molds for abrasive compounds.

Processing: Vacuum hardening and triple tempering are standard for die work; nitriding and PVD coatings combine well with its high tempering resistance.

FAQ

Where does 1.2367 sit in the hot work family?: Between H11 and 1.2365: H11-type Cr level (~5%) for toughness, 1.2365-type Mo level (~3%) for hot strength. It is the upgrade path when H13 dies heat-check early but full 1.2365 is too brittle for the tool geometry.

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Source: EN ISO 4957 / mill published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.