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C72900 Copper-nickel vs. C16500 Copper

Both C72900 copper-nickel and C16500 copper are copper alloys. They have 77% 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 C72900 copper-nickel and the bottom bar is C16500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.0 to 20
1.5 to 53
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
43
Shear Strength, MPa 540 to 630
200 to 310
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
280 to 530
Tensile Strength: Yield (Proof), MPa 700 to 920
97 to 520

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 210
340
Melting Completion (Liquidus), °C 1120
1070
Melting Onset (Solidus), °C 950
1010
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 29
250
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
60
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
61

Otherwise Unclassified Properties

Base Metal Price, % relative 39
31
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 4.6
2.6
Embodied Energy, MJ/kg 72
42
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
7.8 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
41 to 1160
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 27 to 34
8.6 to 17
Strength to Weight: Bending, points 23 to 27
11 to 16
Thermal Diffusivity, mm2/s 8.6
74
Thermal Shock Resistance, points 31 to 38
9.8 to 19

Alloy Composition

Cadmium (Cd), % 0
0.6 to 1.0
Copper (Cu), % 74.1 to 78
97.8 to 98.9
Iron (Fe), % 0 to 0.5
0 to 0.020
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 7.5 to 8.5
0.5 to 0.7
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.5