What is the composition of DIN 1.2379 / AISI D2 Cold Work Tool Steel?

Published composition ranges are not available for DIN 1.2379 / AISI D2 Cold Work Tool Steel in this record. The source entry did not carry a verified composition.

What standards cover DIN 1.2379 / AISI D2 Cold Work Tool Steel?

The governing standards for DIN 1.2379 / AISI D2 Cold Work Tool Steel include DIN 1.2379, AISI D2, UNS T30402, ISO 4957 X153CrMoV12. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is DIN 1.2379 / AISI D2 Cold Work Tool Steel used for?

This alloy is used in applications demanding the property set described in its family: tool_steel.

How do I verify a mill certificate for DIN 1.2379 / AISI D2 Cold Work Tool Steel?

Compare each element value on the certificate against the min/max ranges in the spec table above. Paste the values into the SpecBase validator to get an automated pass/fail check.

DIN 1.2379 / AISI D2 Cold Work Tool Steel

UNS T30402 tool_steel

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Quick answer

DIN 1.2379 / AISI D2 Cold Work Tool Steel is a tool steel specified by DIN 1.2379, AISI D2, UNS T30402, ISO 4957 X153CrMoV12. Typical composition: .

DIN 1.2379, also known as AISI D2, is a high-carbon, high-chromium cold work tool steel. It is characterized by excellent wear resistance, good toughness, and dimensional stability during heat treatment, making it suitable for applications requiring long tool life.

Applicable Standards

DIN 1.2379
AISI D2
UNS T30402
ISO 4957 X153CrMoV12

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