SAE J121-2013 标准详情
- 标准号:SAE J121-2013
- 中文标题:脱碳淬火和回火统一螺纹紧固件
- 英文标题:Decarburization in hardened and tempered unified threaded fasteners
- 标准类别:美国汽车工程师协会SAE
- 发布日期:
This SAE Recommended Practice covers methods for measuring, classifying, and specifying decarburization in the threaded section of hardened and tempered steel bolts, screws, studs, and similar parts. It is not intended to cover products which are spe
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