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C10800 Copper vs. WE54A Magnesium

C10800 copper belongs to the copper alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 29 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 C10800 copper and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
44
Elongation at Break, % 4.0 to 50
4.3 to 5.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
17
Shear Strength, MPa 150 to 200
150 to 170
Tensile Strength: Ultimate (UTS), MPa 220 to 380
270 to 300
Tensile Strength: Yield (Proof), MPa 75 to 370
180

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1080
570
Specific Heat Capacity, J/kg-K 390
960
Thermal Conductivity, W/m-K 350
52
Thermal Expansion, µm/m-K 17
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 92
10
Electrical Conductivity: Equal Weight (Specific), % IACS 92
47

Otherwise Unclassified Properties

Base Metal Price, % relative 31
34
Density, g/cm3 9.0
1.9
Embodied Carbon, kg CO2/kg material 2.6
29
Embodied Energy, MJ/kg 41
260
Embodied Water, L/kg 310
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 88
10 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 600
360 to 380
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
62
Strength to Weight: Axial, points 6.8 to 12
39 to 43
Strength to Weight: Bending, points 9.1 to 13
49 to 51
Thermal Diffusivity, mm2/s 100
28
Thermal Shock Resistance, points 7.8 to 13
18 to 19

Alloy Composition

Copper (Cu), % 99.95 to 99.995
0 to 0.030
Iron (Fe), % 0
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0.0050 to 0.012
0
Silicon (Si), % 0
0 to 0.010
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3