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CR009A Copper vs. C97800 Nickel Silver

Both CR009A copper and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is CR009A copper and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Elongation at Break, % 15
10
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
48
Tensile Strength: Ultimate (UTS), MPa 230
370
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 200
230
Melting Completion (Liquidus), °C 1090
1180
Melting Onset (Solidus), °C 1040
1140
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
25
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
40
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 41
76
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31
Resilience: Unit (Modulus of Resilience), kJ/m3 83
120
Stiffness to Weight: Axial, points 7.2
8.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
12
Strength to Weight: Bending, points 9.3
13
Thermal Diffusivity, mm2/s 110
7.3
Thermal Shock Resistance, points 8.1
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0 to 0.00040
0 to 0.2
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Copper (Cu), % 99.99 to 100
64 to 67
Iron (Fe), % 0 to 0.0010
0 to 1.5
Lead (Pb), % 0 to 0.00050
1.0 to 2.5
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
24 to 27
Phosphorus (P), % 0 to 0.0030
0 to 0.050
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.080
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
4.0 to 5.5
Zinc (Zn), % 0 to 0.00010
1.0 to 4.0
Residuals, % 0
0 to 0.4