United States · SAE
2124
SAE AMS 4221D:2011 — SAE AMS 4221D
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | Bal | Bal | ||
| Cr | 0.1 | |||
| Cu | 3.8 | 4.9 | ||
| Fe | 0.3 | |||
| Mg | 1.2 | 1.8 | ||
| Mn | 0.3 | 0.9 | ||
| Others total | 0.05 | |||
| Si | 0.2 | |||
| Ti | 0.15 | |||
| Total Others | 0.15 | |||
| Zn | 0.25 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Plates, Solution heat treated, cold worked approximately 1 % and artificially aged +T8151, > 102 <= 127 mm | ≤400；≤379 | ≤455；≤434 | ≤6；≤2 | |||
| Plates, Solution heat treated, cold worked approximately 1 % and artificially aged +T8151, > 127 <= 152 mm | ≤386；≤372；≤393 | ≤448；≤427 | ≤5；≤2；≤6 | |||
| Plates, Solution heat treated, cold worked approximately 1 % and artificially aged +T8151, > 38 <= 51 mm | ≤427；≤393 | ≤469；≤448 | ≤7；≤2；≤8 | |||
| Plates, Solution heat treated, cold worked approximately 1 % and artificially aged +T8151, > 51 <= 76 mm | ≤414；≤393 | ≤462；≤441 | ≤7；≤2；≤8 | |||
| Plates, Solution heat treated, cold worked approximately 1 % and artificially aged +T8151, > 76 <= 102 mm | ≤407；≤393 | ≤462；≤441 | ≤6；≤2；≤7 |
Fatigue
1.Plates; Solution heat treated, cold worked and artificially aged (T851); Rotating beam; R=-1; T: 20°C; R.R. Moore rotating beam
| Item | Detail |
|---|---|
| Product | Plates; Solution heat treated cold worked and artificially aged (T851) |
| Experiment | Rotating beam; R=-1; T: 20°C |
| Specimen | R.R. Moore rotating beam |
| No. | Specimen | Stress (MPa) | Cycles |
|---|---|---|---|
| 1 | R.R. Moore rotating beam | 1E7 | |
| 2 | Notched | R.R. Moore rotating beam | |
| 3 | round | 1E7 | |
| 4 | Round notch; Kt: 3.00 | 1E7 | |
| 5 | R.R. Moore rotating beam | 5E8 | |
| 6 | Notched | R.R. Moore rotating beam | |
| 7 | round | 5E8 | |
| 8 | Round notch; Kt: 3.00 | 5E8 | |
| 9 | R.R. Moore rotating beam | 1E7 | |
| 10 | Notched | R.R. Moore rotating beam | |
| 11 | round | 1E7 | |
| 12 | Round notch; Kt: 3.00 | 1E7 | |
| 13 | R.R. Moore rotating beam | 1E7 | |
| 14 | Notched | R.R. Moore rotating beam | |
| 15 | round | 1E7 | |
| 16 | Round notch; Kt: 3.00 | 1E7 |
Creep
1.Solution heat treated, cold worked and artificially aged (T851) 35 < t <= 50mm
| Temperature ℃ | Time h | Rp1 | Rp0.5 | Rp0.2 | Rp0.1 | CRS |
|---|---|---|---|---|---|---|
| 25 | 0.1h | 475.0 | 460.0 | 450.0 | 490.0 | |
| 25 | 1.0h | 470.0 | 455.0 | 450.0 | 485.0 | |
| 25 | 10.0h | 460.0 | 455.0 | 440.0 | 485.0 | |
| 25 | 100.0h | 455.0 | 455.0 | 475.0 | ||
| 25 | 1000.0h | 455.0 | 450.0 | 475.0 | ||
| 100 | 0.1h | 435.0 | 425.0 | 420.0 | 415.0 | 450.0 |
| 100 | 1.0h | 420.0 | 415.0 | 400.0 | 395.0 | 435.0 |
| 100 | 10.0h | 400.0 | 395.0 | 380.0 | 370.0 | 415.0 |
| 100 | 100.0h | 385.0 | 380.0 | 360.0 | 345.0 | 400.0 |
| 100 | 1000.0h | 365.0 | 360.0 | 340.0 | 315.0 | 380.0 |
| 150 | 0.1h | 380.0 | 370.0 | 350.0 | 340.0 | 400.0 |
| 150 | 1.0h | 360.0 | 350.0 | 330.0 | 310.0 | 370.0 |
| 150 | 10.0h | 340.0 | 330.0 | 310.0 | 285.0 | 345.0 |
| 150 | 100.0h | 310.0 | 305.0 | 285.0 | 250.0 | 315.0 |
| 150 | 1000.0h | 275.0 | 270.0 | 235.0 | 205.0 | 290.0 |
| 150 | 10000.0h | 220.0 | 205.0 | 235.0 | ||
| 150 | 100000.0h | 170.0 | ||||
| 177 | 0.1h | 345.0 | 340.0 | 325.0 | 305.0 | 365.0 |
| 177 | 1.0h | 315.0 | 310.0 | 290.0 | 260.0 | 340.0 |
| 177 | 10.0h | 290.0 | 285.0 | 260.0 | 230.0 | 305.0 |
| 177 | 100.0h | 255.0 | 240.0 | 205.0 | 170.0 | 270.0 |
| 177 | 1000.0h | 195.0 | 170.0 | 145.0 | 115.0 | 205.0 |
| 177 | 10000.0h | 145.0 | ||||
| 177 | 100000.0h | 90.0 | ||||
| 205 | 0.1h | 305.0 | 295.0 | 275.0 | 260.0 | 325.0 |
| 205 | 1.0h | 275.0 | 270.0 | 250.0 | 220.0 | 290.0 |
| 205 | 10.0h | 240.0 | 235.0 | 205.0 | 170.0 | 255.0 |
| 205 | 100.0h | 195.0 | 180.0 | 150.0 | 115.0 | 200.0 |
| 205 | 1000.0h | 125.0 | 110.0 | 75.0 | 62.0 | 130.0 |
| 205 | 10000.0h | 70.0 | 62.0 | 85.0 | ||
| 205 | 100000.0h | 52.0 | ||||
| 230 | 0.1h | 260.0 | 250.0 | 235.0 | 215.0 | 275.0 |
| 230 | 1.0h | 235.0 | 220.0 | 205.0 | 170.0 | 240.0 |
| 230 | 10.0h | 185.0 | 180.0 | 150.0 | 115.0 | 195.0 |
| 230 | 100.0h | 125.0 | 115.0 | 130.0 | ||
| 230 | 1000.0h | 75.0 | ||||
| 230 | 10000.0h | 48.0 | ||||
| 230 | 100000.0h | 34.0 | ||||
| 260 | 0.1h | 205.0 | 200.0 | 180.0 | 165.0 | 215.0 |
| 260 | 1.0h | 180.0 | 170.0 | 150.0 | 130.0 | 185.0 |
| 260 | 10.0h | 130.0 | 125.0 | 105.0 | 70.0 | 140.0 |
| 260 | 100.0h | 75.0 | 70.0 | 85.0 | ||
| 260 | 1000.0h | 48.0 | ||||
| 260 | 10000.0h | 32.0 | ||||
| 260 | 100000.0h | 23.0 | ||||
| 315 | 0.1h | 110.0 | 105.0 | 95.0 | 90.0 | 110.0 |
| 315 | 1.0h | 90.0 | 85.0 | 70.0 | 59.0 | 95.0 |
| 315 | 10.0h | 55.0 | 52.0 | 45.0 | 38.0 | 59.0 |
| 315 | 100.0h | 34.0 | 32.0 | 26.0 | 24.0 | 38.0 |
| 315 | 1000.0h | 23.0 | 22.0 | 25.0 |