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C12600 Copper vs. WE54A Magnesium

C12600 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 (3, 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 C12600 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, % 56
4.3 to 5.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 56
17
Shear Strength, MPa 190
150 to 170
Tensile Strength: Ultimate (UTS), MPa 270
270 to 300
Tensile Strength: Yield (Proof), MPa 69
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 1030
570
Specific Heat Capacity, J/kg-K 390
960
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 17
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
10
Electrical Conductivity: Equal Weight (Specific), % IACS 29
47

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 8.9
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 110
10 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 21
360 to 380
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
62
Strength to Weight: Axial, points 8.2
39 to 43
Strength to Weight: Bending, points 10
49 to 51
Thermal Diffusivity, mm2/s 39
28
Thermal Shock Resistance, points 9.5
18 to 19

Alloy Composition

Copper (Cu), % 99.5 to 99.8
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), % 0.2 to 0.4
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