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C81500 Copper vs. C74000 Nickel Silver

Both C81500 copper and C74000 nickel silver are copper alloys. They have 72% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 350
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1090
990
Melting Onset (Solidus), °C 1080
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
40
Electrical Conductivity: Equal Weight (Specific), % IACS 83
42

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
54
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13 to 19
Strength to Weight: Bending, points 12
14 to 18
Thermal Shock Resistance, points 12
13 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
69 to 73.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
14.2 to 22
Residuals, % 0 to 0.5
0 to 0.5