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ZK40A Magnesium vs. Grade CW12MW Nickel

ZK40A magnesium belongs to the magnesium alloys classification, while grade CW12MW nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 ZK40A magnesium and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 4.2
4.6
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
85
Tensile Strength: Ultimate (UTS), MPa 280
560
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 340
320
Maximum Temperature: Mechanical, °C 120
960
Melting Completion (Liquidus), °C 600
1610
Melting Onset (Solidus), °C 540
1560
Specific Heat Capacity, J/kg-K 970
410
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
70
Density, g/cm3 1.8
9.1
Embodied Carbon, kg CO2/kg material 24
13
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 950
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
22
Resilience: Unit (Modulus of Resilience), kJ/m3 740
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 65
22
Strength to Weight: Axial, points 43
17
Strength to Weight: Bending, points 53
17
Thermal Shock Resistance, points 17
16

Alloy Composition


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Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 0
4.5 to 7.5
Magnesium (Mg), % 94.2 to 96.1
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
16 to 18
Nickel (Ni), % 0
49.2 to 60.1
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4
Zinc (Zn), % 3.5 to 4.5
0
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0