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C86300 Bronze vs. C72500 Copper-nickel

Both C86300 bronze and C72500 copper-nickel are copper alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 850
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 920
1130
Melting Onset (Solidus), °C 890
1060
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
54
Thermal Expansion, µm/m-K 20
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 51
55
Embodied Water, L/kg 360
320

Common Calculations

Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 30
13 to 24
Strength to Weight: Bending, points 25
14 to 21
Thermal Diffusivity, mm2/s 11
16
Thermal Shock Resistance, points 28
14 to 27

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
0
Copper (Cu), % 60 to 66
85.2 to 89.7
Iron (Fe), % 2.0 to 4.0
0 to 0.6
Lead (Pb), % 0 to 0.2
0 to 0.050
Manganese (Mn), % 2.5 to 5.0
0 to 0.2
Nickel (Ni), % 0 to 1.0
8.5 to 10.5
Tin (Sn), % 0 to 0.2
1.8 to 2.8
Zinc (Zn), % 22 to 28
0 to 0.5
Residuals, % 0 to 1.0
0 to 0.2