![]() ![]() For examples, see Test Methods and Definitions A 370 and Test Methods B 557. Note 3-Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material. Test specimens made from powder metallurgy (P/M) materials are exempt from this requirement by industry-wide agreement to keep the pressing of the material to a specific projected area and density. Note 2-Gage lengths in these test methods are required to be 4D for most round specimens. Committee E28 was granted an exception in 1997 by the Committee on Standards to maintain E8 and E8M as separate companion standards rather than combining standards as recommended by the Form and Style Manual. ![]() Note 1-A complete metric companion to Test Methods E 8 has been developed, therefore, no metric equivalents are shown in these test methods. 1.1 These test methods cover the tension testing of metallic materials in any form at room temperature, specifically, the methods of determination of yield strength, yield point elongation, tensile strength, elongation, and reduction of area. ![]()
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