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C71000 Copper-nickel vs. ZK60A Magnesium

C71000 copper-nickel belongs to the copper alloys classification, while ZK60A 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 C71000 copper-nickel and the bottom bar is ZK60A 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
18
Tensile Strength: Ultimate (UTS), MPa 320 to 560
320 to 330

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 240
120
Melting Completion (Liquidus), °C 1200
600
Melting Onset (Solidus), °C 1150
550
Specific Heat Capacity, J/kg-K 400
960
Thermal Conductivity, W/m-K 43
120
Thermal Expansion, µm/m-K 15
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 4.3
23
Embodied Energy, MJ/kg 63
160
Embodied Water, L/kg 290
940

Common Calculations

Stiffness to Weight: Axial, points 8.2
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 10 to 18
47 to 49
Strength to Weight: Bending, points 12 to 17
55 to 56
Thermal Diffusivity, mm2/s 12
66
Thermal Shock Resistance, points 12 to 20
19 to 20

Alloy Composition

Copper (Cu), % 73.5 to 80.5
0
Iron (Fe), % 0.5 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 23
0
Zinc (Zn), % 0 to 1.0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3