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Grade M30C Nickel vs. QE22A Magnesium

Grade M30C nickel belongs to the nickel alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 M30C nickel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
44
Elongation at Break, % 29
2.4
Fatigue Strength, MPa 170
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
17
Tensile Strength: Ultimate (UTS), MPa 510
250
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Mechanical, °C 900
250
Melting Completion (Liquidus), °C 1290
640
Melting Onset (Solidus), °C 1240
570
Specific Heat Capacity, J/kg-K 430
970
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
120

Otherwise Unclassified Properties

Density, g/cm3 8.8
2.0
Embodied Carbon, kg CO2/kg material 9.5
27
Embodied Energy, MJ/kg 140
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 200
400
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
60
Strength to Weight: Axial, points 16
36
Strength to Weight: Bending, points 16
46
Thermal Diffusivity, mm2/s 5.7
59
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.3
0
Copper (Cu), % 26 to 33
0 to 0.1
Iron (Fe), % 0 to 3.5
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 56.6 to 72
0 to 0.010
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 2.0
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3