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C72800 Copper-nickel vs. CR023A Copper

Both C72800 copper-nickel and CR023A copper are copper alloys. They have 81% 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 C72800 copper-nickel and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.9 to 23
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
43
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
220
Tensile Strength: Yield (Proof), MPa 250 to 1210
130

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1090
Melting Onset (Solidus), °C 920
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 55
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
100
Electrical Conductivity: Equal Weight (Specific), % IACS 11
100

Otherwise Unclassified Properties

Base Metal Price, % relative 38
31
Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 68
41
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
29
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
76
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 17 to 40
6.8
Strength to Weight: Bending, points 16 to 30
9.0
Thermal Diffusivity, mm2/s 17
110
Thermal Shock Resistance, points 19 to 45
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0 to 0.00050
Boron (B), % 0 to 0.0010
0
Copper (Cu), % 78.3 to 82.8
99.9 to 99.995
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.0050
0 to 0.0050
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0.0050 to 0.013
Silicon (Si), % 0 to 0.050
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.3
0