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CR012A Copper vs. C70400 Copper-nickel

Both CR012A copper and C70400 copper-nickel are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
45
Tensile Strength: Ultimate (UTS), MPa 220
300 to 310
Tensile Strength: Yield (Proof), MPa 130
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
1120
Melting Onset (Solidus), °C 1040
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
64
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
14
Electrical Conductivity: Equal Weight (Specific), % IACS 100
14

Otherwise Unclassified Properties

Base Metal Price, % relative 33
32
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 360
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 76
38 to 220
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
9.3 to 9.8
Strength to Weight: Bending, points 9.0
11 to 12
Thermal Diffusivity, mm2/s 110
18
Thermal Shock Resistance, points 7.8
10 to 11

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
89.8 to 93.6
Iron (Fe), % 0
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5