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ZC63A Magnesium vs. C70250 Copper

ZC63A magnesium belongs to the magnesium alloys classification, while C70250 copper belongs to the copper 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 ZC63A magnesium and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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