What is the composition of AISI 4142 Chromium-Molybdenum Steel?

Published composition ranges are not available for AISI 4142 Chromium-Molybdenum 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 4142 Chromium-Molybdenum Steel?

The governing standards for AISI 4142 Chromium-Molybdenum Steel include AISI 4142, SAE 4142, ASTM A29, UNS G41420. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is AISI 4142 Chromium-Molybdenum Steel used for?

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

How do I verify a mill certificate for AISI 4142 Chromium-Molybdenum 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 4142 Chromium-Molybdenum Steel

UNS G41420 low_alloy_steel

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Quick answer

AISI 4142 Chromium-Molybdenum Steel is a low alloy steel specified by AISI 4142, SAE 4142, ASTM A29, UNS G41420. Typical composition: .

AISI 4142 is a medium-carbon chromium-molybdenum alloy steel known for its good strength, toughness, and wear resistance. It is typically used in applications requiring high strength and moderate toughness.

Applicable Standards

AISI 4142
SAE 4142
ASTM A29
UNS G41420

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