MakeItFrom.com
Menu (ESC)

C18200 Copper vs. C75200 Nickel Silver

Both C18200 copper and C75200 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C18200 copper and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 65 to 82
63 to 93
Shear Modulus, GPa 44
47
Tensile Strength: Ultimate (UTS), MPa 310 to 530
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1110
Melting Onset (Solidus), °C 1070
1070
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
33
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 81
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 41
62
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 9.6 to 16
13 to 21
Strength to Weight: Bending, points 11 to 16
14 to 20
Thermal Diffusivity, mm2/s 93
9.8
Thermal Shock Resistance, points 11 to 18
13 to 22

Alloy Composition

Chromium (Cr), % 0.6 to 1.2
0
Copper (Cu), % 98.6 to 99.4
63.5 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0
12.7 to 20
Residuals, % 0
0 to 0.5