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C70250 Copper vs. ZC63A Magnesium

C70250 copper belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 C70250 copper and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
48
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
19
Tensile Strength: Ultimate (UTS), MPa 520 to 740
220

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 210
98
Melting Completion (Liquidus), °C 1100
550
Melting Onset (Solidus), °C 1080
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
32
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.9
2.1
Embodied Carbon, kg CO2/kg material 2.9
22
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
920

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
58
Strength to Weight: Axial, points 16 to 23
29
Strength to Weight: Bending, points 16 to 21
38
Thermal Diffusivity, mm2/s 49
58
Thermal Shock Resistance, points 18 to 26
12

Alloy Composition

Copper (Cu), % 92.7 to 97.5
2.4 to 3.0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
89.2 to 91.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Nickel (Ni), % 2.2 to 4.2
0 to 0.010
Silicon (Si), % 0.25 to 1.2
0 to 0.2
Zinc (Zn), % 0 to 1.0
5.5 to 6.5
Residuals, % 0 to 0.5
0 to 0.3