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WE43B Magnesium vs. C55280 Copper

WE43B magnesium belongs to the magnesium alloys classification, while C55280 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, 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 WE43B magnesium and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 250
180

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
790
Melting Onset (Solidus), °C 550
640
Specific Heat Capacity, J/kg-K 960
410
Thermal Expansion, µm/m-K 27
16

Otherwise Unclassified Properties

Density, g/cm3 1.9
8.5
Embodied Carbon, kg CO2/kg material 28
4.2
Embodied Energy, MJ/kg 250
67

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 61
19
Strength to Weight: Axial, points 36
5.9
Strength to Weight: Bending, points 46
8.3
Thermal Shock Resistance, points 15
7.4

Alloy Composition


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Copper (Cu), % 0 to 0.020
90.5 to 91.4
Iron (Fe), % 0 to 0.010
0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
6.8 to 7.2
Silver (Ag), % 0
1.8 to 2.2
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15