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C18700 Copper vs. C95700 Bronze

Both C18700 copper and C95700 bronze are copper alloys. They have 75% of their average alloy composition in common. There are 28 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 C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 9.0 to 9.6
23
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
47
Tensile Strength: Ultimate (UTS), MPa 290 to 330
680
Tensile Strength: Yield (Proof), MPa 230 to 250
310

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1080
990
Melting Onset (Solidus), °C 950
950
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 380
12
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
54
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
130
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
390
Stiffness to Weight: Axial, points 7.1
8.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.0 to 10
23
Strength to Weight: Bending, points 11 to 12
21
Thermal Diffusivity, mm2/s 110
3.3
Thermal Shock Resistance, points 10 to 12
21

Alloy Composition

Aluminum (Al), % 0
7.0 to 8.5
Copper (Cu), % 98 to 99.2
71 to 78.5
Iron (Fe), % 0
2.0 to 4.0
Lead (Pb), % 0.8 to 1.5
0 to 0.030
Manganese (Mn), % 0
11 to 14
Nickel (Ni), % 0
1.5 to 3.0
Silicon (Si), % 0
0 to 0.1
Residuals, % 0
0 to 0.5