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C71000 Copper-nickel vs. ZE63A Magnesium

C71000 copper-nickel belongs to the copper alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, 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 C71000 copper-nickel and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
46
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 49
17
Tensile Strength: Ultimate (UTS), MPa 320 to 560
300

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 240
170
Melting Completion (Liquidus), °C 1200
510
Melting Onset (Solidus), °C 1150
390
Specific Heat Capacity, J/kg-K 400
950
Thermal Conductivity, W/m-K 43
110
Thermal Expansion, µm/m-K 15
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
31
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 8.9
2.0
Embodied Carbon, kg CO2/kg material 4.3
24
Embodied Energy, MJ/kg 63
180
Embodied Water, L/kg 290
920

Common Calculations

Stiffness to Weight: Axial, points 8.2
12
Stiffness to Weight: Bending, points 19
58
Strength to Weight: Axial, points 10 to 18
40
Strength to Weight: Bending, points 12 to 17
48
Thermal Diffusivity, mm2/s 12
57
Thermal Shock Resistance, points 12 to 20
17

Alloy Composition

Copper (Cu), % 73.5 to 80.5
0 to 0.1
Iron (Fe), % 0.5 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
89.6 to 92
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 23
0 to 0.010
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 0 to 1.0
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3