没有明显屈服点的钢材,名义屈服点可取
A.残余应变为0.01%时对应的应力
B.残余应变为0.1%时对应的应力
C.残余应变为0.2%时对应的应力
D.取极限抗拉强度80%时对应的应力
正确答案是C
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