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C86500 Bronze vs. C70700 Copper-nickel

Both C86500 bronze and C70700 copper-nickel are copper alloys. They have 59% of their average alloy composition in common. There are 28 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 C86500 bronze and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
39
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 530
320
Tensile Strength: Yield (Proof), MPa 190
110

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 880
1120
Melting Onset (Solidus), °C 860
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 86
59
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
11
Electrical Conductivity: Equal Weight (Specific), % IACS 25
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 48
52
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
51
Stiffness to Weight: Axial, points 7.4
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
10
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 28
17
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0.5 to 1.5
0
Copper (Cu), % 55 to 60
88.5 to 90.5
Iron (Fe), % 0.4 to 2.0
0 to 0.050
Lead (Pb), % 0 to 0.4
0
Manganese (Mn), % 0.1 to 1.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
9.5 to 10.5
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 36 to 42
0
Residuals, % 0
0 to 0.5