What is the composition of 254 SMO (UNS S31254) Austenitic Stainless Steel?

Published composition ranges are not available for 254 SMO (UNS S31254) Austenitic Stainless Steel in this record. The source entry did not carry a verified composition.

What standards cover 254 SMO (UNS S31254) Austenitic Stainless Steel?

The governing standards for 254 SMO (UNS S31254) Austenitic Stainless Steel include ASTM A240, ASTM A276, ASTM A312, ASTM A479, EN 1.4547. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

How do I verify a mill certificate for 254 SMO (UNS S31254) Austenitic Stainless 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.

254 SMO (UNS S31254) Austenitic Stainless Steel

Q: What is 254 SMO (UNS S31254) Austenitic Stainless Steel used for?

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

UNS S31254 stainless

Validate composition

Quick answer

254 SMO (UNS S31254) Austenitic Stainless Steel is a stainless specified by ASTM A240, ASTM A276, ASTM A312, ASTM A479, EN 1.4547. Typical composition: .

A high-alloy austenitic stainless steel with excellent resistance to pitting and crevice corrosion, particularly in chloride-containing environments. Its high levels of chromium, molybdenum, and nitrogen provide superior corrosion resistance compared to conventional stainless steels.

Applicable Standards

ASTM A240
ASTM A276
ASTM A312
ASTM A479
EN 1.4547

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