Aluminium 7050
(UNS A97050) W Nr.3.4144
| Chemical composition | Al | Zn | Mg | Cu | Zr | Fe | Si | Mn | Ti | Others |
|---|---|---|---|---|---|---|---|---|---|---|
| % Present (Max) | Balance | 5.7 – 6.7 | 1.9 – 2.6 | 2.0 – 2.6 | 0.08 – 0.15 | 0.15 | 0.12 | 0.10 | 0.06 | 0.05 each / 0.15 total |
Aluminium 7050 is a premium aerospace aluminium alloy combining high strength, good fracture toughness, and improved resistance to stress corrosion cracking. It is commonly used for thick plate aerospace structural parts such as bulkheads, wing skins, and fuselage frames.
Specifications:
- AMS 4050 – 7050‑T7451 plate
- AMS 4201 – 7050‑T7651 plate
- AMS 4107, AMS 4108 – 7050 forgings
- AMS 4340, AMS 4341, AMS 4342 – 7050 extrusions and bar variants
Note: Values are in accordance with EN 10088 specifications. Actual mill certs available upon request.