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AM50A Magnesium vs. Grade CX2M Nickel

AM50A magnesium belongs to the magnesium alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 AM50A magnesium and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 11
45
Fatigue Strength, MPa 70
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
84
Tensile Strength: Ultimate (UTS), MPa 210
550
Tensile Strength: Yield (Proof), MPa 120
310

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Maximum Temperature: Mechanical, °C 120
990
Melting Completion (Liquidus), °C 620
1500
Melting Onset (Solidus), °C 570
1450
Specific Heat Capacity, J/kg-K 1000
430
Thermal Conductivity, W/m-K 65
10
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
65
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
12
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
210
Resilience: Unit (Modulus of Resilience), kJ/m3 150
220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
23
Strength to Weight: Axial, points 35
18
Strength to Weight: Bending, points 47
17
Thermal Diffusivity, mm2/s 39
2.7
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0040
0 to 1.5
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 0 to 0.0020
56.4 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.22
0