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C70700 Copper-nickel vs. C86300 Bronze

Both C70700 copper-nickel and C86300 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
250
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 39
14
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 320
850
Tensile Strength: Yield (Proof), MPa 110
480

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1120
920
Melting Onset (Solidus), °C 1060
890
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 59
35
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
23
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 52
51
Embodied Water, L/kg 300
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 51
1030
Stiffness to Weight: Axial, points 7.6
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10
30
Strength to Weight: Bending, points 12
25
Thermal Diffusivity, mm2/s 17
11
Thermal Shock Resistance, points 12
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 88.5 to 90.5
60 to 66
Iron (Fe), % 0 to 0.050
2.0 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 0.5
2.5 to 5.0
Nickel (Ni), % 9.5 to 10.5
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
22 to 28
Residuals, % 0 to 0.5
0 to 1.0