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CC140C Copper vs. CC499K Bronze

Both CC140C copper and CC499K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is CC140C copper and the bottom bar is CC499K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
73
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 340
260
Tensile Strength: Yield (Proof), MPa 230
120

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
920
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 310
73
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
12
Electrical Conductivity: Equal Weight (Specific), % IACS 78
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
27
Resilience: Unit (Modulus of Resilience), kJ/m3 220
65
Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10
8.1
Strength to Weight: Bending, points 12
10
Thermal Diffusivity, mm2/s 89
22
Thermal Shock Resistance, points 12
9.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.020
Cadmium (Cd), % 0
0 to 0.020
Chromium (Cr), % 0.4 to 1.2
0 to 0.020
Copper (Cu), % 98.8 to 99.6
84 to 88
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0
0 to 3.0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0