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C81500 Copper vs. C72800 Copper-nickel

Both C81500 copper and C72800 copper-nickel are copper alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 17
3.9 to 23
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 350
520 to 1270
Tensile Strength: Yield (Proof), MPa 280
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1080
Melting Onset (Solidus), °C 1080
920
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
55
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
38
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 2.6
4.4
Embodied Energy, MJ/kg 41
68
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 330
260 to 5650
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
17 to 40
Strength to Weight: Bending, points 12
16 to 30
Thermal Diffusivity, mm2/s 91
17
Thermal Shock Resistance, points 12
19 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
78.3 to 82.8
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.020
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.15
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0 to 0.1
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.3