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C75700 Nickel Silver vs. C70250 Copper

Both C75700 nickel silver and C70250 copper are copper alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
44
Tensile Strength: Ultimate (UTS), MPa 590 to 610
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1040
1100
Melting Onset (Solidus), °C 990
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
170
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 56
45
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 20
16 to 23
Strength to Weight: Bending, points 19
16 to 21
Thermal Diffusivity, mm2/s 12
49
Thermal Shock Resistance, points 22 to 23
18 to 26

Alloy Composition

Copper (Cu), % 63.5 to 66.5
92.7 to 97.5
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.050
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 11 to 13
2.2 to 4.2
Silicon (Si), % 0
0.25 to 1.2
Zinc (Zn), % 19.2 to 25.5
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.5