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CR020A Copper vs. C76400 Nickel Silver

Both CR020A copper and C76400 nickel silver are copper alloys. They have 60% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C76400 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 43
46
Tensile Strength: Ultimate (UTS), MPa 220
590 to 610

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1090
990
Melting Onset (Solidus), °C 1040
950
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 380
31
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.8
19 to 20
Strength to Weight: Bending, points 9.0
18 to 19
Thermal Diffusivity, mm2/s 110
9.3
Thermal Shock Resistance, points 7.8
19 to 20

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
58.5 to 61.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.0050
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Phosphorus (P), % 0.0010 to 0.0060
0
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
17.7 to 25
Residuals, % 0
0 to 0.5