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C18700 Copper vs. C67300 Bronze

Both C18700 copper and C67300 bronze are copper alloys. They have 62% 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 C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
12
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Shear Strength, MPa 170 to 190
300
Tensile Strength: Ultimate (UTS), MPa 290 to 330
500
Tensile Strength: Yield (Proof), MPa 230 to 250
340

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1080
870
Melting Onset (Solidus), °C 950
830
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 380
95
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
22
Electrical Conductivity: Equal Weight (Specific), % IACS 99
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
55
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
550
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.0 to 10
17
Strength to Weight: Bending, points 11 to 12
17
Thermal Diffusivity, mm2/s 110
30
Thermal Shock Resistance, points 10 to 12
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Copper (Cu), % 98 to 99.2
58 to 63
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0.8 to 1.5
0.4 to 3.0
Manganese (Mn), % 0
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
27.2 to 39.1
Residuals, % 0
0 to 0.5