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C74000 Nickel Silver vs. C70250 Copper

Both C74000 nickel silver and C70250 copper are copper alloys. They have 75% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C74000 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 44
44
Tensile Strength: Ultimate (UTS), MPa 380 to 590
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 990
1100
Melting Onset (Solidus), °C 950
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 42
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 3.4
2.9
Embodied Energy, MJ/kg 54
45
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 19
16 to 23
Strength to Weight: Bending, points 14 to 18
16 to 21
Thermal Shock Resistance, points 13 to 19
18 to 26

Alloy Composition

Copper (Cu), % 69 to 73.5
92.7 to 97.5
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.1
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 9.0 to 11
2.2 to 4.2
Silicon (Si), % 0
0.25 to 1.2
Zinc (Zn), % 14.2 to 22
0 to 1.0
Residuals, % 0
0 to 0.5