J121M-2013
已作废

Decarburization in Hardened and Tempered Metric Threaded Fasteners

标准号

J121M-2013

发布日期

2013年01月01日

实施日期

2013年01月05日

废止日期

2013-01-01

中国标准分类号

/

国际标准分类号

/

发布单位

SAE - SAE International

引用标准

5

适用范围

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 specifically carburized to achieve special properties.