GB/T 3098.23—2020
紧固件机械性能  M42-M72螺栓、螺钉和螺柱
Mechanical properties of fasteners— M42~M72 bolts,screws and studs
2020-03-31 发布
2020-10-01 实施
目 次
前言......................................I
1范围.....................................1
2规范性引用文件................................1
3术语和定义..................................2
4代号.....................................2
5性能等级的标记制度 .............................3
6材料.....................................3
7机械和物理性能................................4
8试验方法的适用性 ..............................7
9试验方法..................................10
10标志...................................24
参考文献...................................27