根据GB/T2282002《金属材料常温拉伸实验方法》的要求对2Cr13棒材抗拉强度进行了测量。对2Cr13棒材抗拉强度测量不确定度来源进行了分析，并按照JJF10591999《测量不确定度评定与表示》对钢材的抗拉强度的不确定度进行了评定，并且给出了扩展不确定度。
In terms of the standard demands of GB/T2282002 “metallic materialstensile testing at ambient temperature”,the tensile strength of 2Cr13 has been tested. The causes of the measurement uncertainty for tensile strength of 2Cr13 were analyzed. Moreover the measurement uncertainty for tensile strength of 2Cr13 was evaluated in detail according to JJF1059-1999,and the expanded uncertainty was also obtained.
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