What is the composition of AISI 8640 Nickel-Chromium-Molybdenum Steel?

Published composition ranges are not available for AISI 8640 Nickel-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 8640 Nickel-Chromium-Molybdenum Steel?

The governing standards for AISI 8640 Nickel-Chromium-Molybdenum Steel include AISI 8640, SAE J404, ASTM A29, ASTM A322, UNS G86400. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is AISI 8640 Nickel-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 8640 Nickel-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 8640 Nickel-Chromium-Molybdenum Steel

UNS G86400 low_alloy_steel

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Quick answer

AISI 8640 Nickel-Chromium-Molybdenum Steel is a low alloy steel specified by AISI 8640, SAE J404, ASTM A29, ASTM A322, UNS G86400. Typical composition: .

AISI 8640 is a medium-carbon, low-alloy steel containing nickel, chromium, and molybdenum. It is known for its good hardenability, strength, and toughness, especially after heat treatment.

Applicable Standards

AISI 8640
SAE J404
ASTM A29
ASTM A322
UNS G86400

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