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C72150 Copper-nickel vs. ZK61A Magnesium

C72150 copper-nickel belongs to the copper alloys classification, while ZK61A 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 ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
46
Elongation at Break, % 29
5.8 to 7.1
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 55
18
Shear Strength, MPa 320
170 to 180
Tensile Strength: Ultimate (UTS), MPa 490
290 to 310
Tensile Strength: Yield (Proof), MPa 210
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 600
120
Melting Completion (Liquidus), °C 1210
640
Melting Onset (Solidus), °C 1250
530
Specific Heat Capacity, J/kg-K 410
960
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
29
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
130

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 6.1
23
Embodied Energy, MJ/kg 88
160
Embodied Water, L/kg 270
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 150
370 to 420
Stiffness to Weight: Axial, points 9.1
13
Stiffness to Weight: Bending, points 20
62
Strength to Weight: Axial, points 15
42 to 45
Strength to Weight: Bending, points 15
50 to 53
Thermal Diffusivity, mm2/s 6.0
65
Thermal Shock Resistance, points 18
17 to 18

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
92.1 to 93.9
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
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3