Composition 7075 is a zinc-based aluminum alloy containing Zinc (~5.6–6.1%), Magnesium (~2.1–2.9%), and Copper (~1.2–2.0%). It belongs to the 7xxx series and is among the highest-strength aluminum alloys commercially available.

Key Properties

Tensile Strength up to ~570 MPa (T6 Temper) Exceptional strength-to-weight ratio Good fatigue and stress resistance Easily machinable and anodizable

Common Tempers T6 (maximum strength), T651 (stress relieved), T73 (improved corrosion resistance)

Applicable Standards AMS 2770, AMS 4045, AMS 4078, ASTM B209 (Sheet/Plate), ASTM B221 (Extrusion)

Typical Applications Aircraft wing and fuselage structures, military and defense components, tooling and molds, drones and UAVs, high-performance sporting equipment