ZC63A (ZC63A-T6, M16331) Magnesium

ZC63A magnesium is an alloy of magnesium. It is typically furnished in the T6 temper. ZC63A is the ASTM designation for this material. M16331 is the UNS number.

Material Properties

Base Metal Price21 % rel

Brinell Hardness60

Density2.3 g/cm3 (140 lb/ft3)

Elastic (Young's, Tensile) Modulus52 GPa (7.5 x 106 psi)

Elongation at Break3.3 %

Fatigue Strength (Endurance Limit)76 MPa (11 x 103 psi)

Melting Onset (Solidus)470 °C (880 °F)

Modulus of Resilience (Unit Resilience)160 kJ/m3

Poisson's Ratio0.29

Solidification (Pattern Maker's) Shrinkage1.6 %

Specific Heat Capacity950 J/kg-K

Strength to Weight Ratio96 kN-m/kg

Tensile Strength: Ultimate (UTS)220 MPa (32 x 103 psi)

Tensile Strength: Yield (Proof)130 MPa (19 x 103 psi)

Thermal Expansion25 µm/m-K

Unit Rupture Work (Ultimate Resilience)6.3 MJ/m3

The length of each bar compares the given value to the highest value in the database.

Alloy Composition

Magnesium (Mg)89.2 to 91.9 %

Zinc (Zn)5.5 to 6.5 %

Copper (Cu)2.4 to 3.0 %

Manganese (Mn)0.25 to 0.75 %

Residuals0 to 0.3 %

Silicon (Si)0 to 0.2 %

Nickel (Ni)0 to 0.010 %

Further Reading

ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings

Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.

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