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C72700 Copper-nickel vs. C86300 Bronze

Both C72700 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 C72700 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, % 4.0 to 36
14
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
850
Tensile Strength: Yield (Proof), MPa 580 to 1060
480

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1100
920
Melting Onset (Solidus), °C 930
890
Specific Heat Capacity, J/kg-K 380
420
Thermal Conductivity, W/m-K 54
35
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.0
Embodied Energy, MJ/kg 62
51
Embodied Water, L/kg 350
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
1030
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14 to 34
30
Strength to Weight: Bending, points 15 to 26
25
Thermal Diffusivity, mm2/s 16
11
Thermal Shock Resistance, points 16 to 38
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 82.1 to 86
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), % 0.050 to 0.3
2.5 to 5.0
Nickel (Ni), % 8.5 to 9.5
0 to 1.0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 5.5 to 6.5
0 to 0.2
Zinc (Zn), % 0 to 0.5
22 to 28
Residuals, % 0 to 0.3
0 to 1.0