DIN EN ISO 4957 1.2379 Steel — Specifications & Listings

DIN EN ISO 4957

DIN designation for high carbon high chromium cold work tool steel. Equivalent to AISI D2, Cr12MoV, D2 KNL. High carbon high chromium cold work tool steel. Excellent wear resistance, high compressive strength and good dimensional stability during hardening.

Forms: Round Bar Flat Bar Plate Category: Tool Steel

Grade Details

Grade	DIN EN ISO 4957 1.2379
Standard	DIN EN ISO 4957
Description	DIN designation for high carbon high chromium cold work tool steel. Equivalent to AISI D2, Cr12MoV, D2 KNL. High carbon high chromium cold work tool steel. Excellent wear resistance, high compressive strength and good dimensional stability during hardening.
Applications	Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies

Chemical Composition (%)

C	Mn	Si	Cr	Mo	V	S	P
1.50–1.60	0.25–0.60	0.10–0.40	11.00–13.00	0.70–1.00	0.80–1.10	≤0.030	≤0.030

Mechanical Properties

Hardness (annealed)	≤255 HB
Hardness (hardened)	58–62 HRC
Compressive Strength	2600 MPa

Typical Available Sizes

Round Bar	16mm–300mm dia
Flat Bar	various
Square Bar	various
Forging	Custom sizes

Sizes are indicative. Contact seller for exact availability.

Active DIN EN ISO 4957 1.2379 Listings on M-EX

No active DIN EN ISO 4957 1.2379 listings at this time.