5CrMnMo

Data verified

5CrMnMo is the nickel-free companion to 5CrNiMo in GB/T 1299: manganese replaces nickel for hardenability in medium forging die blocks. It is the cost-saving standard for smaller hammer and press dies in China.

Hardness34–44 HRC (forging dies)

DIN— (1.2341 family, near)

AISIH11 family (near)

GB5CrMnMo

CategoryTool Steel

Chemical composition

Element	Content (%)
C	0.50–0.60
Si	0.25–0.60
Mn	1.20–1.60
Cr	0.60–0.90
Mo	0.15–0.30

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

Properties

Delivery condition	Annealed or prehardened
Working hardness	34–44 HRC (forging dies)
Density	7.85 g/cm³

Heat treatment

Harden 840–880 °C oil; temper 460–600 °C.

Equivalent grades

Standard	Designation
din	— (1.2341 family, near)
aisi	H11 family (near)
gb	5CrMnMo

Compare side by side: 5CrMnMo vs 5CrNiMo · 5CrMnMo vs H11

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

Applications & Processing

Applications: Medium forging die blocks, hot trimming dies, die holders, hot shear blades.

Processing: Hardenability is lower than 5CrNiMo — for very large blocks or the highest toughness, step up to 5CrNiMo.

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Source: GB/T 1299 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.