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C18700 Copper vs. C54400 Bronze

Both C18700 copper and C54400 bronze are copper alloys. They have 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 290 to 330
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
1000
Melting Onset (Solidus), °C 950
930
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 380
86
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
19
Electrical Conductivity: Equal Weight (Specific), % IACS 99
19

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
48
Embodied Water, L/kg 310
340

Common Calculations

Stiffness to Weight: Axial, points 7.1
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
10 to 22
Strength to Weight: Bending, points 11 to 12
12 to 20
Thermal Diffusivity, mm2/s 110
26
Thermal Shock Resistance, points 10 to 12
12 to 26

Alloy Composition

Copper (Cu), % 98 to 99.2
85.4 to 91.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0.8 to 1.5
3.5 to 4.5
Phosphorus (P), % 0
0.010 to 0.5
Tin (Sn), % 0
3.5 to 4.5
Zinc (Zn), % 0
1.5 to 4.5
Residuals, % 0
0 to 0.5

Comparable Variants