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CC140C Copper vs. CC481K Bronze

Both CC140C copper and CC481K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is CC140C copper and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
90
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
4.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 340
350
Tensile Strength: Yield (Proof), MPa 230
180

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1100
1000
Melting Onset (Solidus), °C 1040
880
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 310
64
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
10
Electrical Conductivity: Equal Weight (Specific), % IACS 78
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
35
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 41
60
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
13
Resilience: Unit (Modulus of Resilience), kJ/m3 220
150
Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10
11
Strength to Weight: Bending, points 12
13
Thermal Diffusivity, mm2/s 89
20
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
87 to 89.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Zinc (Zn), % 0
0 to 0.5