United States · SAE
51420
SAE AMS QQ S 763B:1998 — Steel,corrosion resistant,bars,wire,shapes,and forgings
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.15 | |||
| Cr | 12 | 14 | ||
| Mn | 1 | |||
| P | 0.04 | |||
| S | 0.3 | |||
| Si | 1 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Heat treated | HR ≥50 HRC | |||||
| bars, wire, annealed, d < 12.5 mm | 793 | |||||
| bars, HB | 线材 退火 d > 12.5 mm 241 |
Heat treatment
| Type | 1 |
|---|---|
| Heat-treatment curve | CCT |