United States · SAE
2004
SAE AMS 4208C:2010 — SAE AMS 4208C
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | Bal | Bal | ||
| Cu | 5.5 | 6.5 | ||
| Fe | 0.2 | |||
| Mg | 0.5 | |||
| Mn | 0.1 | |||
| Si | 0.2 | |||
| Ti | 0.05 | |||
| Total Each | 0.05 | |||
| Total Others | 0.15 | |||
| Zn | 0.1 | |||
| Zr | 0.3 | 0.5 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| sheet, Pseudo as-formed | 90–152 | 200–255 | 10–20 Lo= 5D | |||
| sheet, solution treated precipitation heat treated | 228–310 | 352–448 | 8–20 Lo= 5D |
Fatigue
1.薄板; Strain-hardened only (H111); T: 20°C; -
| Item | Detail |
|---|---|
| Product | sheet; Strain-hardened only (H111) |
| Experiment | T: 20°C |
| Specimen |
| Property | Value |
|---|---|
| Yield strength (MPa) | 150.0 |
| Tensile strength (MPa) | 230.0 |
| Elongation (%) | 15.0 |
| No. | Cycles |
|---|---|
| 1 | 5E7 |
| 2 | 5E7 |
| 3 | 5E7 |
| 4 | 5E7 |