HM31A-T5

Material Data Sheet

Magnesium HM31A-T5 alloy exhibits improved short and long-time creep properties and good ductility even at elevated temperatures.

Chemical Composition
Element Content (%)
Magnesium, Mg 96.0
Thorium, Th 2.5 – 3.5
Manganese, Mn ≤ 1.2
Physical Properties
Properties Metric Imperial
Density 1.81 g/cc 0.0654 lb/in³
Melting Point 482 °C 900 °F
Mechanical Properties
Properties Metric Imperial
Tensile Strength, Ultimate 300 MPa 43500
Tensile Strength, Yield 270 MPa 39200 psi
Elongation at Break 10% 10%
Tensile Modulus 45.0 GPa 6530 ksi
Compressive Yield Strength 170 MPa 24700 psi
Ultimate Bearing Strength 470 MPa 68200 ksi
Bearing Yield Strength 330 MPa 47900 psi
Poissons Ratio 0.35 0.35
Shear Modulus 17.0 GPa 2470 ksi
Shear Strength 185 MPa 26800 psi
Elastic Modulus 45 GPa 6530 ksi

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