ASTM A484 / A484M 2011 Edition, titled Standard Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings, has just been released. The new issue is 13 pages in length.
This specification covers general requirements that apply to wrought stainless steel bars, shapes, forgings, and billets or other semi-finished materials, except wire, for forging. The following conditions are covered: (1) hot-worked; (2) hot-worked and annealed; (3) hot-worked, annealed and cold-worked; or (4) hot-worked, annealed, and heat-treated. It additionally provides for product analysis tolerances confirming conformation to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, cobalt, columbium, tantalum, copper, aluminum, nitrogen, tungsten, vanadium, and selenium. Additionally, materials shall be heat treated and austenitic stainless steels and austenitic-ferritic grades shall be furnished in the solution annealed condition and shall conform to the required values of temperature, permitted annealing procedure, quenching, and rapid cooling.
This is another standard that covers both metric and inch-pound units of measurement. The values stated in either SI (metric) units or inch-pound units are to be regarded separately and cannot be mixed. Combining values from the two systems may result in non-conformance with the standard. Therefore, unless the order specifies an “M” designation, the material shall be furnished to inch-pound units.
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