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C72150 Copper-nickel vs. C72500 Copper-nickel

Both C72150 copper-nickel and C72500 copper-nickel are copper alloys. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 55
45
Tensile Strength: Ultimate (UTS), MPa 490
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 600
210
Melting Completion (Liquidus), °C 1210
1130
Melting Onset (Solidus), °C 1250
1060
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
54
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
35
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 6.1
3.6
Embodied Energy, MJ/kg 88
55
Embodied Water, L/kg 270
320

Common Calculations

Stiffness to Weight: Axial, points 9.1
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
13 to 24
Strength to Weight: Bending, points 15
14 to 21
Thermal Diffusivity, mm2/s 6.0
16
Thermal Shock Resistance, points 18
14 to 27

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
85.2 to 89.7
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
0 to 0.2
Nickel (Ni), % 43 to 46
8.5 to 10.5
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
1.8 to 2.8
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.2