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R05252 Alloy vs. ZK61A Magnesium

R05252 alloy belongs to the otherwise unclassified metals classification, while ZK61A magnesium belongs to the magnesium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 R05252 alloy and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
46
Elongation at Break, % 23
5.8 to 7.1
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 73
18
Tensile Strength: Ultimate (UTS), MPa 310
290 to 310
Tensile Strength: Yield (Proof), MPa 220
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 140
330
Specific Heat Capacity, J/kg-K 140
960
Thermal Expansion, µm/m-K 6.7
27

Otherwise Unclassified Properties

Density, g/cm3 17
1.9
Embodied Water, L/kg 600
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 120
370 to 420
Stiffness to Weight: Axial, points 6.5
13
Stiffness to Weight: Bending, points 12
62
Strength to Weight: Axial, points 5.2
42 to 45
Strength to Weight: Bending, points 6.1
50 to 53
Thermal Shock Resistance, points 17
17 to 18

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 0
92.1 to 93.9
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 88.8 to 91
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 9.0 to 11
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3