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CC140C Copper vs. CC760S Brass

Both CC140C copper and CC760S brass 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 CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
51
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 340
180
Tensile Strength: Yield (Proof), MPa 230
80

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
940
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 310
150
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
38
Electrical Conductivity: Equal Weight (Specific), % IACS 78
40

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
33
Resilience: Unit (Modulus of Resilience), kJ/m3 220
29
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
5.8
Strength to Weight: Bending, points 12
8.2
Thermal Diffusivity, mm2/s 89
45
Thermal Shock Resistance, points 12
6.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
83 to 88
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
10.7 to 17