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C81500 Copper vs. C71500 Copper-nickel

Both C81500 copper and C71500 copper-nickel are copper alloys. They have 67% 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 C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
52
Tensile Strength: Ultimate (UTS), MPa 350
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
260
Melting Completion (Liquidus), °C 1090
1240
Melting Onset (Solidus), °C 1080
1170
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
28
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 83
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
41
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 41
74
Embodied Water, L/kg 310
280

Common Calculations

Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12 to 19
Strength to Weight: Bending, points 12
13 to 18
Thermal Diffusivity, mm2/s 91
7.7
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
63.5 to 70.6
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.5