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C72500 Copper-nickel vs. ZE41A Magnesium

C72500 copper-nickel belongs to the copper alloys classification, while ZE41A 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 C72500 copper-nickel and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 45
18
Tensile Strength: Ultimate (UTS), MPa 420 to 780
210

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 1130
640
Melting Onset (Solidus), °C 1060
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 54
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
130

Otherwise Unclassified Properties

Base Metal Price, % relative 35
18
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 3.6
24
Embodied Energy, MJ/kg 55
170
Embodied Water, L/kg 320
940

Common Calculations

Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 13 to 24
31
Strength to Weight: Bending, points 14 to 21
41
Thermal Diffusivity, mm2/s 16
59
Thermal Shock Resistance, points 14 to 27
12

Alloy Composition

Copper (Cu), % 85.2 to 89.7
0 to 0.1
Iron (Fe), % 0 to 0.6
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 0.2
0 to 0.15
Nickel (Ni), % 8.5 to 10.5
0 to 0.010
Tin (Sn), % 1.8 to 2.8
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.5
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3