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Nickel 22 vs. QE22A Magnesium

Nickel 22 belongs to the nickel alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 28 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 nickel 22 and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
44
Elongation at Break, % 49
2.4
Fatigue Strength, MPa 330
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
17
Shear Strength, MPa 560
150
Tensile Strength: Ultimate (UTS), MPa 790
250
Tensile Strength: Yield (Proof), MPa 360
190

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Mechanical, °C 990
250
Melting Completion (Liquidus), °C 1390
640
Melting Onset (Solidus), °C 1360
570
Specific Heat Capacity, J/kg-K 430
970
Thermal Conductivity, W/m-K 10
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
120

Otherwise Unclassified Properties

Density, g/cm3 8.9
2.0
Embodied Carbon, kg CO2/kg material 12
27
Embodied Energy, MJ/kg 170
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 300
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
60
Strength to Weight: Axial, points 25
36
Strength to Weight: Bending, points 21
46
Thermal Diffusivity, mm2/s 2.7
59
Thermal Shock Resistance, points 24
15

Alloy Composition

Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 2.0 to 6.0
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 0.015
0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 50.8 to 63
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.080
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 2.5 to 3.5
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Vanadium (V), % 0 to 0.35
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3