SAE AMS6540
Steel Bars, Forgings, Tubing, and Rings 0.48cr 8.0ni 4.0co 0.48mo 0.09v (0.24 - 0.30c) Annealed.
| Standard | Published | Revision | Status |
|---|---|---|---|
| AMS6540C | 1965-02-01 | Latest | |
| AMS6540B | 1973-05-15 | Historical | |
| AMS6540A | 1967-11-01 | Historical | |
| AMS6540 | 1965-02-15 | Historical |