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Grade CX2M Nickel vs. QE22A Magnesium

Grade CX2M nickel belongs to the nickel alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 CX2M nickel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
44
Elongation at Break, % 45
2.4
Fatigue Strength, MPa 260
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
17
Tensile Strength: Ultimate (UTS), MPa 550
250
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 990
250
Melting Completion (Liquidus), °C 1500
640
Melting Onset (Solidus), °C 1450
570
Specific Heat Capacity, J/kg-K 430
970
Thermal Conductivity, W/m-K 10
110
Thermal Expansion, µm/m-K 12
27

Otherwise Unclassified Properties

Density, g/cm3 8.7
2.0
Embodied Carbon, kg CO2/kg material 12
27
Embodied Energy, MJ/kg 160
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 220
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
60
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 17
46
Thermal Diffusivity, mm2/s 2.7
59
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 1.5
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 15 to 16.5
0
Nickel (Ni), % 56.4 to 63
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.020
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3