AM100A magnesium is an alloy of magnesium. AM100A is the ASTM designation for this material. M10100 is the UNS number.
It has five 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
Density1.9 g/cm3 (120 lb/ft3)
Elastic (Young's, Tensile) Modulus48 GPa (7.0 x 106 psi)
Elongation at Break1.0 to 6.9 %
Melting Onset (Solidus)460 °C (860 °F)
Modulus of Resilience (Unit Resilience)65 to 200 kJ/m3
Solidification (Pattern Maker's) Shrinkage1.3 %
Specific Heat Capacity990 J/kg-K
Strength to Weight Ratio84 to 140 kN-m/kg
Tensile Strength: Ultimate (UTS)160 to 270 MPa (23 to 39 x 103 psi)
Tensile Strength: Yield (Proof)79 to 140 MPa (11 to 20 x 103 psi)
Thermal Expansion25 µm/m-K
Unit Rupture Work (Ultimate Resilience)1.3 to 1.5 MJ/m3
The length of each bar compares the given value to the highest value in the database.
Magnesium (Mg)87.9 to 90.6 %
Aluminum (Al)9.3 to 10.7 %
Manganese (Mn)0.1 to 0.35 %
Residuals0 to 0.3 %
Silicon (Si)0 to 0.3 %
Zinc (Zn)0 to 0.3 %
Copper (Cu)0 to 0.1 %
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.