Technology Inspection & Produce Standard:

ASTM B90/B90M-07; AMS 4375; AMS 4376; AMS 4377

Also can produce as clients' standard.

•  Chemical Composition

Al: 2.5-3.5%; Zn: 0.7-1.3%; Mn: 0.20 – 1.0%; Mg: Balance

•  Physical Properties

Density: 1.78;

Coefficient of thermal expansion: 26.8 x 10-6K-1

Specific heat: 1040 Jkg-1k-1

Thermal conductivity: 76.9Wm-1k-1

Electrical resistivity: 92nΩm

Modulus of elasticity: 45 x 109Pa;

Poissons ratio: 0.35;

Melting range: 566 - 632°C