SAE J121
Decarburization in Hardened and Tempered Unified Threaded Fasteners(Cancelled Jan 2013, Superseded by ASTM F2328)
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.
History:Standard | Published | Revision | Status |
---|---|---|---|
J121_201301 | 2013-01-02 | Latest | |
J121_199704 | 1997-04-01 | Historical | |
J121M_199608 | 1996-08-01 | Historical | |
J121_199608 | 1996-08-01 | Historical | |
J121_199605 | 1996-05-01 | Historical | |
J121M_199405 | 1994-05-26 | Historical | |
J121_199405 | 1994-05-01 | Historical | |
J121_198308 | 1983-08-01 | Historical |