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CR012A Copper vs. C97400 Nickel Silver

Both CR012A copper and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 (1, in this case) are not shown.

For each property being compared, the top bar is CR012A 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, % 15
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 220
260
Tensile Strength: Yield (Proof), MPa 130
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 1040
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 390
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 42
64
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
43
Resilience: Unit (Modulus of Resilience), kJ/m3 76
59
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
8.5
Strength to Weight: Bending, points 9.0
11
Thermal Diffusivity, mm2/s 110
8.3
Thermal Shock Resistance, points 7.8
8.8

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
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
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0
10 to 19.5
Residuals, % 0
0 to 1.0