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C18200 Copper vs. ZE63A Magnesium

C18200 copper belongs to the copper alloys classification, while ZE63A 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 C18200 copper and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 11 to 40
7.7
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
17
Shear Strength, MPa 210 to 320
170
Tensile Strength: Ultimate (UTS), MPa 310 to 530
300
Tensile Strength: Yield (Proof), MPa 97 to 450
190

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
510
Melting Onset (Solidus), °C 1070
390
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 320
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
31
Electrical Conductivity: Equal Weight (Specific), % IACS 81
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.9
2.0
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 41
180
Embodied Water, L/kg 310
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 96
20
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 860
400
Stiffness to Weight: Axial, points 7.3
12
Stiffness to Weight: Bending, points 18
58
Strength to Weight: Axial, points 9.6 to 16
40
Strength to Weight: Bending, points 11 to 16
48
Thermal Diffusivity, mm2/s 93
57
Thermal Shock Resistance, points 11 to 18
17

Alloy Composition

Chromium (Cr), % 0.6 to 1.2
0
Copper (Cu), % 98.6 to 99.4
0 to 0.1
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
89.6 to 92
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 0
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3