Designation:E8/E8M-16a American Association State Highway and Transportation Officials Standard AASHTO No.:T68 INTERNATIONAL An American National Standard Standard Test Methods for Tension Testing of Metallic Materials1 This standard is issued under the fixed designation E8/E8M;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (e)indicates an editorial change since the last revision or reapproval. This standand has been approved for use by agencies of the U.S.Department of Defense. 1.Scope* 2.Referenced Documents 1.1 These test methods cover the tension testing of metallic 2.1 ASTM Standards:2 materials in any form at room temperature,specifically,the A356/A356M Specification for Steel Castings,Carbon,Low methods of determination of yield strength,yield point Alloy,and Stainless Steel,Heavy-Walled for Steam Tur- elongation,tensile strength,elongation,and reduction of area. bines 1.2 The gauge lengths for most round specimens are re- A370 Test Methods and Definitions for Mechanical Testing quired to be 4D for ...
ASTM E8-E8M-2016a 金属材料拉伸试验的标准测试方法.pdf
