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C70260 Copper vs. C97400 Nickel Silver

Both C70260 copper and C97400 nickel silver are copper alloys. They have 62% 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 C70260 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, % 9.5 to 19
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 520 to 760
260
Tensile Strength: Yield (Proof), MPa 410 to 650
120

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1060
1100
Melting Onset (Solidus), °C 1040
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 160
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 50
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 40 to 51
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 43
64
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 46 to 140
43
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 1810
59
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 16 to 24
8.5
Strength to Weight: Bending, points 16 to 21
11
Thermal Diffusivity, mm2/s 45
8.3
Thermal Shock Resistance, points 18 to 27
8.8

Alloy Composition

Copper (Cu), % 95.8 to 98.8
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), % 1.0 to 3.0
15.5 to 17
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.2 to 0.7
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0
10 to 19.5
Residuals, % 0
0 to 1.0