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EN-MC65210 Magnesium vs. C70620 Copper-nickel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C70620 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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-MC65210 magnesium and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
46
Tensile Strength: Ultimate (UTS), MPa 270
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 610
1120
Melting Onset (Solidus), °C 540
1060
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 110
49
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.9
Embodied Carbon, kg CO2/kg material 27
3.4
Embodied Energy, MJ/kg 220
51

Common Calculations

Stiffness to Weight: Axial, points 12
7.7
Stiffness to Weight: Bending, points 59
19
Strength to Weight: Axial, points 38
9.3 to 18
Strength to Weight: Bending, points 47
11 to 17
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 17
10 to 20

Alloy Composition


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Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.030
86.5 to 90
Iron (Fe), % 0 to 0.010
1.0 to 1.8
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.0050
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.020
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5