What is the composition of AISI D3 Tool Steel?

Published composition ranges are not available for AISI D3 Tool Steel in this record. PARTIAL - parsed from a truncated 500-char source excerpt; the element set is INCOMPLETE and must NOT be used for validation, specification or purchasing

What standards cover AISI D3 Tool Steel?

The governing standards for AISI D3 Tool Steel include AISI D3, ASTM A681. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is AISI D3 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 AISI D3 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.

AISI D3 Tool Steel

UNS T30403 tool_steel

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Quick answer

AISI D3 Tool Steel is a tool steel specified by AISI D3, ASTM A681. Typical composition: .

D3 is a high-carbon, high-chromium cold work tool steel known for its excellent wear resistance and good dimensional stability during heat treatment. It has high compressive strength but lower toughness compared to D2.

Applicable Standards

AISI D3
ASTM A681

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