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EN-MC21210 Magnesium vs. Grade CW6M Nickel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while grade CW6M nickel belongs to the nickel 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 EN-MC21210 magnesium and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
220
Elongation at Break, % 14
29
Fatigue Strength, MPa 70
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
84
Tensile Strength: Ultimate (UTS), MPa 190
560
Tensile Strength: Yield (Proof), MPa 90
310

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Maximum Temperature: Mechanical, °C 100
970
Melting Completion (Liquidus), °C 600
1530
Melting Onset (Solidus), °C 570
1470
Specific Heat Capacity, J/kg-K 1000
430
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
65
Density, g/cm3 1.6
8.8
Embodied Carbon, kg CO2/kg material 24
13
Embodied Energy, MJ/kg 160
170
Embodied Water, L/kg 980
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
140
Resilience: Unit (Modulus of Resilience), kJ/m3 92
220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 44
17
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
0 to 3.0
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
17 to 20
Nickel (Ni), % 0 to 0.0020
54.9 to 66
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0