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Grade CW6M Nickel vs. ISO-WD32250 Magnesium

Grade CW6M nickel belongs to the nickel alloys classification, while ISO-WD32250 magnesium belongs to the magnesium 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 grade CW6M nickel and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
45
Elongation at Break, % 29
4.5 to 8.6
Fatigue Strength, MPa 210
170 to 210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
17
Tensile Strength: Ultimate (UTS), MPa 560
310 to 330
Tensile Strength: Yield (Proof), MPa 310
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 970
120
Melting Completion (Liquidus), °C 1530
600
Melting Onset (Solidus), °C 1470
550
Specific Heat Capacity, J/kg-K 430
980
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 65
13
Density, g/cm3 8.8
1.8
Embodied Carbon, kg CO2/kg material 13
24
Embodied Energy, MJ/kg 170
160
Embodied Water, L/kg 300
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 220
630 to 930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
67
Strength to Weight: Axial, points 18
49 to 51
Strength to Weight: Bending, points 17
58 to 60
Thermal Shock Resistance, points 16
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 0 to 3.0
0
Magnesium (Mg), % 0
94.9 to 97.1
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 17 to 20
0
Nickel (Ni), % 54.9 to 66
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3