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Grade CW12MW Nickel vs. ZK51A Magnesium

Grade CW12MW nickel belongs to the nickel alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 grade CW12MW nickel and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
45
Elongation at Break, % 4.6
4.7
Fatigue Strength, MPa 130
62
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
18
Tensile Strength: Ultimate (UTS), MPa 560
240
Tensile Strength: Yield (Proof), MPa 310
150

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Mechanical, °C 960
120
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
550
Specific Heat Capacity, J/kg-K 410
970
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 9.1
1.8
Embodied Carbon, kg CO2/kg material 13
24
Embodied Energy, MJ/kg 180
160
Embodied Water, L/kg 280
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
10
Resilience: Unit (Modulus of Resilience), kJ/m3 220
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
64
Strength to Weight: Axial, points 17
36
Strength to Weight: Bending, points 17
47
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 4.5 to 7.5
0
Magnesium (Mg), % 0
93.1 to 95.9
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 16 to 18
0
Nickel (Ni), % 49.2 to 60.1
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3