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C81500 Copper vs. C73500 Nickel Silver

Both C81500 copper and C73500 nickel silver are copper alloys. They have 72% 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 C73500 nickel silver.

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
47
Tensile Strength: Ultimate (UTS), MPa 350
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1090
1140
Melting Onset (Solidus), °C 1080
1090
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
36
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 83
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
35
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 41
61
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.3
8.0
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
10
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
70.5 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
16.5 to 19.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
5.7 to 13
Residuals, % 0 to 0.5
0 to 0.5