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C72900 Copper-nickel vs. C86300 Bronze

Both C72900 copper-nickel and C86300 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.0 to 20
14
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
850
Tensile Strength: Yield (Proof), MPa 700 to 920
480

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1120
920
Melting Onset (Solidus), °C 950
890
Specific Heat Capacity, J/kg-K 380
420
Thermal Conductivity, W/m-K 29
35
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 39
23
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 4.6
3.0
Embodied Energy, MJ/kg 72
51
Embodied Water, L/kg 360
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
1030
Stiffness to Weight: Axial, points 7.6
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 27 to 34
30
Strength to Weight: Bending, points 23 to 27
25
Thermal Diffusivity, mm2/s 8.6
11
Thermal Shock Resistance, points 31 to 38
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 74.1 to 78
60 to 66
Iron (Fe), % 0 to 0.5
2.0 to 4.0
Lead (Pb), % 0 to 0.020
0 to 0.2
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
2.5 to 5.0
Nickel (Ni), % 14.5 to 15.5
0 to 1.0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 7.5 to 8.5
0 to 0.2
Zinc (Zn), % 0 to 0.5
22 to 28
Residuals, % 0 to 0.3
0 to 1.0