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R05240 Alloy vs. ZK60A Magnesium

R05240 alloy belongs to the otherwise unclassified metals classification, while ZK60A magnesium belongs to the magnesium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is R05240 alloy and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
46
Elongation at Break, % 25
4.5 to 9.9
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
18
Tensile Strength: Ultimate (UTS), MPa 270
320 to 330
Tensile Strength: Yield (Proof), MPa 170
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Specific Heat Capacity, J/kg-K 190
960
Thermal Expansion, µm/m-K 6.8
26

Otherwise Unclassified Properties

Density, g/cm3 14
1.9
Embodied Water, L/kg 460
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 90
570 to 690
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
63
Strength to Weight: Axial, points 5.4
47 to 49
Strength to Weight: Bending, points 6.8
55 to 56
Thermal Shock Resistance, points 18
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.010
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 0
92.5 to 94.8
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3