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C18700 Copper vs. C65100 Bronze

Both C18700 copper and C65100 bronze are copper alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is C65100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 9.0 to 9.6
2.4 to 50
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Shear Strength, MPa 170 to 190
200 to 350
Tensile Strength: Ultimate (UTS), MPa 290 to 330
280 to 560
Tensile Strength: Yield (Proof), MPa 230 to 250
95 to 440

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1060
Melting Onset (Solidus), °C 950
1030
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 380
57
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
12
Electrical Conductivity: Equal Weight (Specific), % IACS 99
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
39 to 820
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
8.7 to 18
Strength to Weight: Bending, points 11 to 12
11 to 17
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 10 to 12
9.5 to 19

Alloy Composition

Copper (Cu), % 98 to 99.2
94.5 to 99.2
Iron (Fe), % 0
0 to 0.8
Lead (Pb), % 0.8 to 1.5
0 to 0.050
Manganese (Mn), % 0
0 to 0.7
Silicon (Si), % 0
0.8 to 2.0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5

Comparable Variants