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ASTM AZ80A-T5
Category Magnesium Alloy
Designations United States: UNS S24000, ASTM A276, ASTM A580, ASTM A412

Composition
ElementWeight %
Al  8.50 
Zn  0.50 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 1.8 25  
Poisson's Ratio 0.35 25  
Elastic Modulus (GPa) 44.8 25  
Tensile Strength (Mpa) 380.0  25  T5 (extruded bars and shapes) 
Yield Strength (Mpa) 275.0 (240.0) 
Elongation (%) 7.0 
Reduction in Area (%)  
Note: Value in parentheses indicates yield strength for compression.
Hardness (HB500) 82  25  T5 (extruded bars and shapes) 
Shear Strength (MPa) 165  25  T5 (extruded bars and shapes) 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 26  20-100 T5 
Thermal Conductivity (W/m-K) 75.3  0  T5 
Glossary