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C81500 Copper vs. C71000 Copper-nickel

Both C81500 copper and C71000 copper-nickel are copper alloys. They have 77% 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 C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
49
Tensile Strength: Ultimate (UTS), MPa 350
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
240
Melting Completion (Liquidus), °C 1090
1200
Melting Onset (Solidus), °C 1080
1150
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
43
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 83
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 310
290

Common Calculations

Stiffness to Weight: Axial, points 7.3
8.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
10 to 18
Strength to Weight: Bending, points 12
12 to 17
Thermal Diffusivity, mm2/s 91
12
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
73.5 to 80.5
Iron (Fe), % 0 to 0.1
0.5 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
19 to 23
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