AMS 4126 7075-T73 forged Aluminum Bar Stock
AMS 4126 7075-T73 forged aluminum is a premium material that offers an ideal balance of high strength, excellent fatigue performance, and superior corrosion resistance, making it well-suited for critical structural components and demanding service conditions—such as in the aerospace, automotive, defense, and high-performance industrial sectors.
AMS 4126 is the corresponding Aerospace Material Specification, which defines the chemical composition, mechanical properties, processing forms, and quality control standards for this forged aluminum alloy.
The heat treatment condition is T73, an overaged temper specifically designed to enhance the material’s resistance to stress corrosion cracking, making it more reliable in harsh environments while maintaining high strength.
Size of aluminum 7075-t73 forged bar: diameter≤800mm, length≤2000mm
Available Forging Forms:
Die forgings
Hand forgings
forging stock
customized processed forgings
Mechanical Properties of 7075-T73 forged Aluminum AMS 4126
| Temper | Tensile Ultimate MPA | Yield Strength MPA | Elongation % | Hardness Brinell |
| T73 | 448 | 379 | 8-10 | 140-15 |
AMS4126 Chemical Composition
| Element | Content (%) |
|---|---|
| Zinc | 5.1 – 6.1 |
| Magnesium | 2.1 – 2.9 |
| Copper | 1.2 – 2.0 |
| Chromium | 0.18 – 0.28 |
| Silicon | Max 0.40 |
| Iron | Max 0.50 |
| Aluminum | Balance |
Chemical composition complies with AMS4126 requirements.
AMS4126 forgings Aerospace Applications
Aircraft structural fittings
Wing attachment components
Landing gear support structures
Rotor system components
Defense vehicle structures
Aerospace brackets and connectors
High-load precision machined parts
