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C72150 Copper-nickel vs. C71640 Copper-nickel

Both C72150 copper-nickel and C71640 copper-nickel are copper alloys. They have 86% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 55
52
Tensile Strength: Ultimate (UTS), MPa 490
490 to 630
Tensile Strength: Yield (Proof), MPa 210
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 600
260
Melting Completion (Liquidus), °C 1210
1180
Melting Onset (Solidus), °C 1250
1120
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 22
29
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 45
40
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 6.1
5.0
Embodied Energy, MJ/kg 88
73
Embodied Water, L/kg 270
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
130 to 750
Stiffness to Weight: Axial, points 9.1
8.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
15 to 20
Strength to Weight: Bending, points 15
16 to 18
Thermal Diffusivity, mm2/s 6.0
8.2
Thermal Shock Resistance, points 18
16 to 21

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
61.7 to 67.8
Iron (Fe), % 0 to 0.1
1.7 to 2.3
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
1.5 to 2.5
Nickel (Ni), % 43 to 46
29 to 32
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.5