This specification covers age-hardening stainless steel forgings for general use. Materials for forgings shall consist of billets or bars and shall either be forged, rolled, or cast or a section cut from an ingot. The steel specimens shall be solution annealed and age hardened and shall conform to the required values of tensile strength, yield strength, elongation, reduction of area, hardness and impact Charpy-V. The steel materials shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, aluminum, molybdenum, titanium, copper, nitrogen, columbium, and tantalum.
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1.1 This specification covers age-hardening stainless steel forgings for general use.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 Unless the order specifies an “M” designation, the material shall be furnished to inch-pound units.
Note 1—Bar products are covered by Specification A 564/A 564M.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A484/A484M Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings
A564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
SAE J 1086 Recommended Practice for Numbering Metals and Alloys (UNS)
age-hardening stainless steel; precipitation hardening stainless steel; stainless steel forgings; Age-hardening alloys--specifications; Precipitation-hardening metals/alloys--specifications; Stainless steel forgings--specifications; Steel forgings--specifications;
ICS Number Code 77.140.85 (Iron and steel forgings)
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