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C81500 Copper vs. C70700 Copper-nickel

Both C81500 copper and C70700 copper-nickel are copper alloys. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
73
Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 17
39
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 350
320
Tensile Strength: Yield (Proof), MPa 280
110

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1090
1120
Melting Onset (Solidus), °C 1080
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
59
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
11
Electrical Conductivity: Equal Weight (Specific), % IACS 83
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
34
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
52
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
100
Resilience: Unit (Modulus of Resilience), kJ/m3 330
51
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
10
Strength to Weight: Bending, points 12
12
Thermal Diffusivity, mm2/s 91
17
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
88.5 to 90.5
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0 to 0.5