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C71640 Copper-nickel vs. ZC63A Magnesium

C71640 copper-nickel belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium 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 C71640 copper-nickel and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
48
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
19
Tensile Strength: Ultimate (UTS), MPa 490 to 630
220
Tensile Strength: Yield (Proof), MPa 190 to 460
130

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 260
98
Melting Completion (Liquidus), °C 1180
550
Melting Onset (Solidus), °C 1120
470
Specific Heat Capacity, J/kg-K 410
950
Thermal Conductivity, W/m-K 29
120
Thermal Expansion, µm/m-K 15
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
140

Otherwise Unclassified Properties

Base Metal Price, % relative 40
13
Density, g/cm3 8.9
2.1
Embodied Carbon, kg CO2/kg material 5.0
22
Embodied Energy, MJ/kg 73
150
Embodied Water, L/kg 280
920

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
190
Stiffness to Weight: Axial, points 8.7
13
Stiffness to Weight: Bending, points 20
58
Strength to Weight: Axial, points 15 to 20
29
Strength to Weight: Bending, points 16 to 18
38
Thermal Diffusivity, mm2/s 8.2
58
Thermal Shock Resistance, points 16 to 21
12

Alloy Composition

Copper (Cu), % 61.7 to 67.8
2.4 to 3.0
Iron (Fe), % 1.7 to 2.3
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 1.5 to 2.5
0.25 to 0.75
Nickel (Ni), % 29 to 32
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Zinc (Zn), % 0 to 1.0
5.5 to 6.5
Residuals, % 0 to 0.5
0 to 0.3