ZK61A magnesium is an alloy of magnesium. ZK61A is the ASTM designation for this material. M16610 is the UNS number.
It has two 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 Price22 % rel
Density2.1 g/cm3 (130 lb/ft3)
Elastic (Young's, Tensile) Modulus49 GPa (7.1 x 106 psi)
Elongation at Break5.8 to 7.2 %
Melting Onset (Solidus)530 °C (990 °F)
Modulus of Resilience (Unit Resilience)330 to 410 kJ/m3
Shear Strength170 to 180 MPa (25 to 26 x 103 psi)
Solidification (Pattern Maker's) Shrinkage1.3 %
Specific Heat Capacity960 J/kg-K
Strength to Weight Ratio140 to 150 kN-m/kg
Tensile Strength: Ultimate (UTS)290 to 310 MPa (42 to 45 x 103 psi)
Tensile Strength: Yield (Proof)180 to 200 MPa (26 to 29 x 103 psi)
Thermal Expansion25 µm/m-K
Unit Rupture Work (Ultimate Resilience)15 MJ/m3
The length of each bar compares the given value to the highest value in the database.
Magnesium (Mg)92.1 to 93.9 %
Zinc (Zn)5.5 to 6.5 %
Zirconium (Zr)0.6 to 1.0 %
Residuals0 to 0.3 %
Copper (Cu)0 to 0.1 %
Nickel (Ni)0 to 0.010 %
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.
Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993