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CR022A Copper vs. C75700 Nickel Silver

Both CR022A copper and C75700 nickel silver are copper alloys. They have 65% 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 CR022A copper and the bottom bar is C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
3.2 to 22
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
45
Tensile Strength: Ultimate (UTS), MPa 230
590 to 610
Tensile Strength: Yield (Proof), MPa 140
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1090
1040
Melting Onset (Solidus), °C 1040
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 83
930 to 1410
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
19 to 20
Strength to Weight: Bending, points 9.3
19
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 8.1
22 to 23

Alloy Composition


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Antimony (Sb), % 0 to 0.00040
0
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 99.999
63.5 to 66.5
Iron (Fe), % 0 to 0.0010
0 to 0.25
Lead (Pb), % 0 to 0.00050
0 to 0.050
Manganese (Mn), % 0 to 0.00050
0 to 0.5
Nickel (Ni), % 0 to 0.0010
11 to 13
Phosphorus (P), % 0.0010 to 0.0060
0
Selenium (Se), % 0 to 0.00020
0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
19.2 to 25.5
Residuals, % 0
0 to 0.5