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CC140C Copper vs. C69430 Brass

Both CC140C copper and C69430 brass are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC140C copper and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 340
570
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1100
920
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 310
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 78
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
80
Resilience: Unit (Modulus of Resilience), kJ/m3 220
340
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
19
Strength to Weight: Bending, points 12
18
Thermal Diffusivity, mm2/s 89
7.7
Thermal Shock Resistance, points 12
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
80 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Silicon (Si), % 0
3.5 to 4.5
Zinc (Zn), % 0
11.4 to 16.5
Residuals, % 0
0 to 0.5