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C72150 Copper-nickel vs. ZK51A Magnesium

C72150 copper-nickel belongs to the copper alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C72150 copper-nickel and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
45
Elongation at Break, % 29
4.7
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 55
18
Shear Strength, MPa 320
160
Tensile Strength: Ultimate (UTS), MPa 490
240
Tensile Strength: Yield (Proof), MPa 210
150

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 600
120
Melting Completion (Liquidus), °C 1210
640
Melting Onset (Solidus), °C 1250
550
Specific Heat Capacity, J/kg-K 410
970
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 8.9
1.8
Embodied Carbon, kg CO2/kg material 6.1
24
Embodied Energy, MJ/kg 88
160
Embodied Water, L/kg 270
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
10
Resilience: Unit (Modulus of Resilience), kJ/m3 150
260
Stiffness to Weight: Axial, points 9.1
14
Stiffness to Weight: Bending, points 20
64
Strength to Weight: Axial, points 15
36
Strength to Weight: Bending, points 15
47
Thermal Diffusivity, mm2/s 6.0
61
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
0 to 0.1
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
93.1 to 95.9
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3