SAE J121
Decarburization in Hardened and Tempered Unified Threaded Fasteners.
Standard:
AKA:
- J121
- 1997-04-01
- Historical. Access the latest revision: J121_201301
- Fasteners Committee
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 |
- SAE J 121
- Aerospace
- Parts
- Fasteners