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C70250 Copper vs. C86300 Bronze

Both C70250 copper and C86300 bronze 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 (6, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 520 to 740
850

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1100
920
Melting Onset (Solidus), °C 1080
890
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 170
35
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 310
360

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 16 to 23
30
Strength to Weight: Bending, points 16 to 21
25
Thermal Diffusivity, mm2/s 49
11
Thermal Shock Resistance, points 18 to 26
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 92.7 to 97.5
60 to 66
Iron (Fe), % 0
2.0 to 4.0
Lead (Pb), % 0 to 0.050
0 to 0.2
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
2.5 to 5.0
Nickel (Ni), % 2.2 to 4.2
0 to 1.0
Silicon (Si), % 0.25 to 1.2
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 1.0
22 to 28
Residuals, % 0 to 0.5
0 to 1.0