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C72150 Copper-nickel vs. C72900 Copper-nickel

Both C72150 copper-nickel and C72900 copper-nickel are copper alloys. They have 70% 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 C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
120
Elongation at Break, % 29
6.0 to 20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 55
45
Shear Strength, MPa 320
540 to 630
Tensile Strength: Ultimate (UTS), MPa 490
870 to 1080
Tensile Strength: Yield (Proof), MPa 210
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 600
210
Melting Completion (Liquidus), °C 1210
1120
Melting Onset (Solidus), °C 1250
950
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 22
29
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 45
39
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 6.1
4.6
Embodied Energy, MJ/kg 88
72
Embodied Water, L/kg 270
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 150
2030 to 3490
Stiffness to Weight: Axial, points 9.1
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
27 to 34
Strength to Weight: Bending, points 15
23 to 27
Thermal Diffusivity, mm2/s 6.0
8.6
Thermal Shock Resistance, points 18
31 to 38

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
74.1 to 78
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 0.050
0 to 0.3
Nickel (Ni), % 43 to 46
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.3