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EN-MC21220 Magnesium vs. C55284 Copper

EN-MC21220 magnesium belongs to the magnesium alloys classification, while C55284 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 EN-MC21220 magnesium and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
38
Tensile Strength: Ultimate (UTS), MPa 210
180

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 600
800
Melting Onset (Solidus), °C 540
640
Specific Heat Capacity, J/kg-K 1000
380
Thermal Expansion, µm/m-K 27
17

Otherwise Unclassified Properties

Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
16
Embodied Energy, MJ/kg 160
260

Common Calculations

Stiffness to Weight: Axial, points 15
6.5
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 34
5.6
Strength to Weight: Bending, points 46
8.0
Thermal Shock Resistance, points 12
7.4

Alloy Composition

Aluminum (Al), % 4.4 to 5.5
0
Copper (Cu), % 0 to 0.010
79.2 to 80.7
Iron (Fe), % 0 to 0.0050
0
Magnesium (Mg), % 93.5 to 95.5
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
4.8 to 5.2
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
14.5 to 15.5
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.010
0 to 0.15