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C96900 Copper-nickel vs. ZK61A Magnesium

C96900 copper-nickel belongs to the copper alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C96900 copper-nickel and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 4.5
5.8 to 7.1
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 45
18
Tensile Strength: Ultimate (UTS), MPa 850
290 to 310
Tensile Strength: Yield (Proof), MPa 830
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 1060
640
Melting Onset (Solidus), °C 960
530
Specific Heat Capacity, J/kg-K 380
960
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
29
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 39
13
Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 4.6
23
Embodied Energy, MJ/kg 72
160
Embodied Water, L/kg 360
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
370 to 420
Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 19
62
Strength to Weight: Axial, points 27
42 to 45
Strength to Weight: Bending, points 23
50 to 53
Thermal Shock Resistance, points 30
17 to 18

Alloy Composition

Copper (Cu), % 73.6 to 78
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
92.1 to 93.9
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0 to 0.010
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3