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ASTM EZ33A-T5
Category Magnesium Alloy
Designations United States: UNS S21400, ASTM A240

Composition
ElementWeight %
Zn  2.70 
Zr  0.60 
Re  3.3 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 1.83 25  
Poisson's Ratio 0.35 25  
Elastic Modulus (GPa) 44.8 25  
Tensile Strength (Mpa) 160.0  25  T5 (sand casting, permanent mold casting) 
Yield Strength (Mpa) 110.0 
Elongation (%) 2.0 
Reduction in Area (%)  
Hardness (HB500) 50  25  T5 (sand casting, permanent mold casting) 
Shear Strength (MPa) 145  25  T5 (sand casting, permanent mold casting) 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 26.1  20-100 T5 
Thermal Conductivity (W/m-K) 100.42  0  T5 
Glossary