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C72150 Copper-nickel vs. C18700 Copper

Both C72150 copper-nickel and C18700 copper are copper alloys. They have 55% of their average alloy composition in common. There are 29 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 C72150 copper-nickel and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
9.0 to 9.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 55
43
Shear Strength, MPa 320
170 to 190
Tensile Strength: Ultimate (UTS), MPa 490
290 to 330
Tensile Strength: Yield (Proof), MPa 210
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 600
200
Melting Completion (Liquidus), °C 1210
1080
Melting Onset (Solidus), °C 1250
950
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 22
380
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
98
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
99

Otherwise Unclassified Properties

Base Metal Price, % relative 45
30
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
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 150
240 to 280
Stiffness to Weight: Axial, points 9.1
7.1
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
9.0 to 10
Strength to Weight: Bending, points 15
11 to 12
Thermal Diffusivity, mm2/s 6.0
110
Thermal Shock Resistance, points 18
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
98 to 99.2
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0.8 to 1.5
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.5