发布时间:2025-02-10 09:21:47
M30是指螺栓的公称直径是30毫米;
C级是精度等级,分为A\B\C三级,C级是最低的一级;
机械性能
6.8级的性能为:6代表6*100=600MPa,指螺栓的抗拉强度为400MPa,.8为屈强比值为0.8,公称屈服强度为600×0.8=480MPa
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