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C81400 Copper vs. C97400 Nickel Silver

Both C81400 copper and C97400 nickel silver are copper alloys. They have 60% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 11
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 370
260
Tensile Strength: Yield (Proof), MPa 250
120

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1090
1100
Melting Onset (Solidus), °C 1070
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 260
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 61
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 45
64
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
43
Resilience: Unit (Modulus of Resilience), kJ/m3 260
59
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
8.5
Strength to Weight: Bending, points 13
11
Thermal Diffusivity, mm2/s 75
8.3
Thermal Shock Resistance, points 13
8.8

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
58 to 61
Iron (Fe), % 0
0 to 1.5
Lead (Pb), % 0
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
15.5 to 17
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0
10 to 19.5
Residuals, % 0
0 to 1.0