Typical use
Aircraft structural parts in the middle plate, extruded parts, hand forged or die forged parts.
Chemical composition rangebr /> 2.0-2.6Cu, 1.9-2.6Mg, 0.10Mnmax, 0.12Simax, 0.15Femax, 0.04Crmax, 0.08-0.15Zr, 5.7-6.7Zn, 0.06Timax, the maximum content of each other component is 0.05, the maximum total content of other components is 0.15, The balance is Al.
Application:
7050 alloy aluminum plate typical mechanical properties
| Temple | Tensile Strength | Yield Strength | Elongation | hardness(a) | Shear strength | Fatigue strength度(b) | |||
| MPa | ksi | MPa | ksi | Sample thickness1.6mm(1/16in) | HB | MPa | ksi | MPa | |
| T73510 | 496 | 72 | 434 | 63 | 12 | 135 | - | - | 71 |
| T7451 | 524 | 76 | 469 | 68 | 11 | 135 | 303 | 44 | 71 |
| T7651 | 552 | 80 | 490 | 71 | 11 | 135 | 324 | 47 | 71 |
Note: (a) 500kg load 10mm diameter ball; (b) R.R.Moore type test, 5*108 cycles of total reverse stress.
Other properties
Density: 2.83g/cm3 (0.102lb/in3) at 20°C (68°F).
Annealing temperature 415°C (775°F)
Solution temperature 475°C (890°F)
Aging temperature 120-175℃ (250-350℉)
