AZ92A magnesium is an alloy of magnesium. AZ92A is the ASTM designation for this material. M11920 is the UNS number.
It has four common variants, each represented as a separate material. The Material Properties section below shows ranges encompassing all variants. For more specific values, follow the links in the Variant Materials section.
Base Metal Price20 % rel
Density2.0 g/cm3 (120 lb/ft3)
Elastic (Young's, Tensile) Modulus49 GPa (7.1 x 106 psi)
Melting Onset (Solidus)440 °C (820 °F)
Modulus of Resilience (Unit Resilience)74 to 200 kJ/m3
Solidification (Pattern Maker's) Shrinkage1.3 %
Specific Heat Capacity980 J/kg-K
Strength to Weight Ratio85 to 140 kN-m/kg
Tensile Strength: Ultimate (UTS)170 to 270 MPa (25 to 39 x 103 psi)
Tensile Strength: Yield (Proof)85 to 140 MPa (12 to 20 x 103 psi)
Thermal Expansion25 µm/m-K
The length of each bar compares the given value to the highest value in the database.
Magnesium (Mg)86.7 to 90 %
Aluminum (Al)8.3 to 9.7 %
Zinc (Zn)1.6 to 2.4 %
Manganese (Mn)0.1 to 0.35 %
Residuals0 to 0.3 %
Silicon (Si)0 to 0.3 %
Copper (Cu)0 to 0.25 %
Nickel (Ni)0 to 0.010 %
ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings
ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings
ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings
Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.