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CC140C Copper vs. CC331G Bronze

Both CC140C copper and CC331G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is CC140C copper and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
140
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
43
Tensile Strength: Ultimate (UTS), MPa 340
620
Tensile Strength: Yield (Proof), MPa 230
240

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1100
1060
Melting Onset (Solidus), °C 1040
1000
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 310
61
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
13
Electrical Conductivity: Equal Weight (Specific), % IACS 78
14

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.9
8.3
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 34
97
Resilience: Unit (Modulus of Resilience), kJ/m3 220
250
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
21
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 89
17
Thermal Shock Resistance, points 12
22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
83 to 86.5
Iron (Fe), % 0
1.5 to 3.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5