About Alloy
Aluminum alloy 7050 is a high-strength alloy primarily composed of aluminum, zinc, magnesium, and copper. It belongs to the 7xxx series of aluminum alloys, renowned for their excellent strength-to-weight ratio and toughness. Alloy 7050 is specifically designed for applications requiring high strength and resistance to stress corrosion cracking. It offers good machinability in the heat-treated condition and retains its strength at elevated temperatures. Commonly used in aerospace and military applications for structural components, aircraft fuselage frames, and wing structures, alloy 7050 demonstrates reliability and performance in environments where durability and reliability under high stress are critical. Its combination of high strength and lightweight properties makes it a preferred choice in industries requiring materials capable of withstanding demanding operational conditions.
Product Form
AMS 4050: 7050-T7451 Plate
AMS 4107:7050-T74 Die Forging
AMS 4108:7050-T7452 Hand Forgings
AMS 4201: 7050-T7651 Plate
AMS 4333: 7050-T7452 Forgings
AMS 4340: 7050-T76511 Extrusions
AMS 4341: 7050-T73511 Extrusions
AMS 4342: 7050-T74511 Extrusions
Chemical Composition
| Weight% | Al | Zr | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Other Each | Others Total |
| Alloy 7050 min | 87.3 | 0.08 | - | - | 2.0 | - | 1.9 | - | 5.7 | - | - | - |
| Alloy 7050 max | 90.3 | 0.15 | 0.12 | 0.15 | 2.6 | 0.10 | 2.6 | 0.04 | 6.7 | 0.06 | 0.05 | 0.15 |
Property
| Material | Temper | Thickness | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation in 2" % |
| Alloy 7050 Plate (longitudinal) | T7451 | <2.0 | 74 | 64 | 10 |
| Alloy 7050 Plate (longitudinal) | T7451 | 2.0 -3.0 | 73 | 63 | 9 |
| Alloy 7050 Plate (longitudinal) | T7451 | 3.0 - 4.0 | 72 | 62 | 9 |
| Alloy 7050 Plate (longitudinal) | T7451 | 4.0 - 5.0 | 71 | 61 | 9 |
| Alloy 7050 Plate (longitudinal) | T7651 | 0.25 - 1.0 | 76 | 66 | 9 |
| Alloy 7050 Plate (longitudinal) | T7651 | 1.0 - 1.5 | 77 | 67 | 9 |
| Alloy 7050 Plate (longitudinal) | T7651 | 1.5 - 2.0 | 76 | 66 | 9 |
| Alloy 7050 Plate (longitudinal) | T7651 | 2.0 - 3.0 | 76 | 66 | 8 |
| Material | Temper | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation in 2" % |
| Alloy 7050 Bar (AMS 4340) | T76511 | 79 | 69 | 7 |
| Alloy 7050 Bar (AMS 4340) | T73511 | 70 | 60 | 8 |
| Alloy 7050 Bar (AMS 4342) | T74511 | 73 | 63 | 7 |
Application
Aerospace: Aircraft structural components, fuselage frames, wing structures
Military: Aircraft and vehicle structures
Industrial: High-strength structural applications
Aluminum alloy 7050 is valued for its high strength, toughness, and resistance to stress corrosion cracking, making it suitable for aerospace, military, and industrial applications where durability and performance under high stress conditions are essential.
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