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C72150 Copper-nickel vs. CR020A Copper

Both C72150 copper-nickel and CR020A copper are copper alloys. They have 55% 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 C72150 copper-nickel and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
120
Elongation at Break, % 29
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 55
43
Tensile Strength: Ultimate (UTS), MPa 490
220
Tensile Strength: Yield (Proof), MPa 210
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 600
200
Melting Completion (Liquidus), °C 1210
1090
Melting Onset (Solidus), °C 1250
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
380
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
100

Otherwise Unclassified Properties

Base Metal Price, % relative 45
31
Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 6.1
2.6
Embodied Energy, MJ/kg 88
41
Embodied Water, L/kg 270
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
29
Resilience: Unit (Modulus of Resilience), kJ/m3 150
76
Stiffness to Weight: Axial, points 9.1
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
6.8
Strength to Weight: Bending, points 15
9.0
Thermal Diffusivity, mm2/s 6.0
110
Thermal Shock Resistance, points 18
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
99.95 to 99.999
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0 to 0.0050
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Phosphorus (P), % 0
0.0010 to 0.0060
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0