No. 220804

785 M 19

国家或地区英国
标准体系B.S.

对应标准

BS 970-2Specification for wrought steels for mechanical and allied engineering purposes. Requirements for steels for the manufacture of hot formed springs
- 化学成分
- 力学性能
BS 4670:1971Specification for alloy steel forgings
- 化学成分
- 力学性能