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C86300 Bronze vs. C70700 Copper-nickel

Both C86300 bronze and C70700 copper-nickel 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 C86300 bronze and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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