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C70700 Copper-nickel vs. C86800 Bronze

Both C70700 copper-nickel and C86800 bronze are copper alloys. They have 59% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 39
22
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 320
570
Tensile Strength: Yield (Proof), MPa 110
260

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 220
140
Melting Completion (Liquidus), °C 1120
900
Melting Onset (Solidus), °C 1060
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 34
24
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 52
51
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 51
310
Stiffness to Weight: Axial, points 7.6
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10
20
Strength to Weight: Bending, points 12
19
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 88.5 to 90.5
53.5 to 57
Iron (Fe), % 0 to 0.050
1.0 to 2.5
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 0.5
2.5 to 4.0
Nickel (Ni), % 9.5 to 10.5
2.5 to 4.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
28.3 to 40.5
Residuals, % 0
0 to 1.0