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CR015A Copper vs. C97300 Nickel Silver

Both CR015A copper and C97300 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 56% of their average alloy composition in common.

For each property being compared, the top bar is CR015A copper and the bottom bar is C97300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
9.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
230
Tensile Strength: Yield (Proof), MPa 130
110

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
1040
Melting Onset (Solidus), °C 1040
1010
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 390
29
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 42
59
Embodied Water, L/kg 360
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
18
Resilience: Unit (Modulus of Resilience), kJ/m3 76
59
Stiffness to Weight: Axial, points 7.2
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
7.6
Strength to Weight: Bending, points 9.0
9.8
Thermal Diffusivity, mm2/s 110
9.3
Thermal Shock Resistance, points 7.8
8.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.883 to 99.939
53 to 58
Iron (Fe), % 0
0 to 1.5
Lead (Pb), % 0
8.0 to 11
Nickel (Ni), % 0
11 to 14
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 0
17 to 25
Residuals, % 0
0 to 1.0