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C81500 Copper vs. C72500 Copper-nickel

Both C81500 copper and C72500 copper-nickel are copper alloys. They have 88% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C72500 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 44
45
Tensile Strength: Ultimate (UTS), MPa 350
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
1130
Melting Onset (Solidus), °C 1080
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
54
Thermal Expansion, µm/m-K 17
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
35
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
55
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13 to 24
Strength to Weight: Bending, points 12
14 to 21
Thermal Diffusivity, mm2/s 91
16
Thermal Shock Resistance, points 12
14 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
85.2 to 89.7
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
1.8 to 2.8
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.2