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
