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ASTM ZK21A-F
Category Magnesium Alloy

Composition
ElementWeight %
Zn  2.30 
Zr  0.45 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 1.77-1.83 25  
Poisson's Ratio 0.35 25  
Elastic Modulus (GPa) 44.8 25  
Tensile Strength (Mpa) 260.0  25  F (extruded bars and shapes) 
Yield Strength (Mpa) 195.0 (135.0) 
Elongation (%) 4.0 
Reduction in Area (%)  
Note: Value in parentheses indicates yield strength for compression.
Glossary