HK31A-O

Material Data Sheet

Magnesium HK31A alloy series are known to possess good castability, pressure tightness, and creep resistant to 350°C (662°F).

Chemical Composition
Element Content (%)
Magnesium, Mg 96.0
Thorium, Th 2.5 – 4.0
Zirconium, Zr 0.4 – 1.0
Zinc, Zn ≤ 0.30
Copper, Cu ≤ 0.1
Nickel, Ni ≤ 0.01
Physical Properties
Properties Metric Imperial
Density 1.80 g/cm³ 0.065 lb/in³
Melting Point 590 – 6520 °C 1090 – 1200 °F
Mechanical Properties
Properties Metric Imperial
Tensile Strength, Ultimate 200 MPa 29000 psi
Tensile Strength, Yield 120 MPa 17400 psi
Elongation at Break 30% 30%
Tensile Modulus 45.0 GPa 6530 ksi
Compressive Yield Strength 97.0 MPa 14100 psi
Poissons Ratio 0.35 0.35
Machinability 100% 100%
Shear Modulus 17.0 GPa 2470 ksi
Charpy Impact 3.40 J 2.51 ft-lb

Thank You!

We’ll be in touch soon!