ASTM A1021/A1021M-26

Detail information

Designation: ASTM A1021/A1021M-26

Publication date: 01/04/2026

Pages: 5

Country: American technical standard

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Anotation

This specification covers martensitic chromium stainless steel forgings, forged bars, and forging stock for high-temperature service. The mechanical properties are developed by suitable heat treatment, as indicated for each alloy. Steel materials shall be manufactured by melting and forging processes, and heat treatments, that shall consist of austenizing, quenching, tempering, and stress relieving. Stainless steels may then be furnished in one of the following hot-finished conditions: as forged without descaling; forged and descaled; rough turned or rough machined. Specimens shall conform to required chemical compositions. Forgings shall undergo tension, impact, stress rapture, and hardness tests, and should conform to mechanical properties prescribed for individual grades and classes. These mechanical properties are: tensile strength, yield strength, elongation, reduction of area, impact strength, and Brinell and Rockwell hardness.


Keywords:
martensitic stainless steel, stainless steel billets, stainless steel forgings,, ICS Number Code 77.140.85 (Iron and steel forgings)