ZK60A (MgZn6Zr, M16600) Magnesium

ZK60A magnesium is an alloy of magnesium. ZK60A is the ASTM designation for this material. MgZn6Zr is the EN chemical designation. And M16600 is the UNS number.

It has three 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.

Material Properties

Base Metal Price22 % rel

Density2.1 g/cm3 (130 lb/ft3)

Elastic (Young's, Tensile) Modulus45 GPa (6.5 x 106 psi)

Electrical Conductivity30 % IACS

Electrical Resistivity Order of Magnitude-7 10x Ω-m

Elongation at Break4.6 to 10 %

Fatigue Strength (Endurance Limit)160 MPa (23 x 103 psi)

Melting Onset (Solidus)550 °C (1020 °F)

Modulus of Resilience (Unit Resilience)590 to 690 kJ/m3

Poisson's Ratio0.29

Shear Modulus17 GPa (2.5 x 106 psi)

Shear Strength170 to 190 MPa (25 to 28 x 103 psi)

Specific Heat Capacity990 J/kg-K

Strength to Weight Ratio150 to 160 kN-m/kg

Tensile Strength: Ultimate (UTS)320 to 340 MPa (46 to 49 x 103 psi)

Tensile Strength: Yield (Proof)230 to 250 MPa (33 to 36 x 103 psi)

Thermal Conductivity81 W/m-K

Thermal Diffusivity39 m2/s

Thermal Expansion26 µm/m-K

Unit Rupture Work (Ultimate Resilience)13 to 14 MJ/m3

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

Alloy Composition

Magnesium (Mg)92.5 to 94.8 %

Zinc (Zn)4.8 to 6.2 %

Zirconium (Zr)0.45 to 1.0 %

Residuals0 to 0.3 %

Further Reading

ASTM B107: Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and Wire

ASTM B91: Standard Specification for Magnesium-Alloy Forgings

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