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ZC63A Magnesium vs. C70400 Copper-nickel

ZC63A magnesium belongs to the magnesium alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 26 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 ZC63A magnesium and the bottom bar is C70400 copper-nickel.

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
45
Tensile Strength: Ultimate (UTS), MPa 220
300 to 310
Tensile Strength: Yield (Proof), MPa 130
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 98
210
Melting Completion (Liquidus), °C 550
1120
Melting Onset (Solidus), °C 470
1060
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
64
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
14

Otherwise Unclassified Properties

Base Metal Price, % relative 13
32
Density, g/cm3 2.1
8.9
Embodied Carbon, kg CO2/kg material 22
3.0
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 920
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
38 to 220
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
9.3 to 9.8
Strength to Weight: Bending, points 38
11 to 12
Thermal Diffusivity, mm2/s 58
18
Thermal Shock Resistance, points 12
10 to 11

Alloy Composition

Copper (Cu), % 2.4 to 3.0
89.8 to 93.6
Iron (Fe), % 0
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.3 to 0.8
Nickel (Ni), % 0 to 0.010
4.8 to 6.2
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 5.5 to 6.5
0 to 1.0
Residuals, % 0 to 0.3
0 to 0.5