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C18700 Copper vs. C95400 Bronze

Both C18700 copper and C95400 bronze are copper alloys. They have 85% of their average alloy composition in common. There are 28 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 C18700 copper and the bottom bar is C95400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
8.1 to 16
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 290 to 330
600 to 710
Tensile Strength: Yield (Proof), MPa 230 to 250
240 to 360

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
230
Melting Completion (Liquidus), °C 1080
1040
Melting Onset (Solidus), °C 950
1030
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 380
59
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
13
Electrical Conductivity: Equal Weight (Specific), % IACS 99
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
48 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
250 to 560
Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.0 to 10
20 to 24
Strength to Weight: Bending, points 11 to 12
19 to 22
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 10 to 12
21 to 25

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Copper (Cu), % 98 to 99.2
83 to 87
Iron (Fe), % 0
3.0 to 5.0
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 1.5
Residuals, % 0
0 to 0.5