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C11100 Copper vs. C27400 Brass

Both C11100 copper and C27400 brass are copper alloys. They have 63% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C11100 copper and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 460
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1070
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
31

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 14
13 to 23
Strength to Weight: Bending, points 15
14 to 21
Thermal Diffusivity, mm2/s 110
37
Thermal Shock Resistance, points 16
12 to 22

Alloy Composition

Copper (Cu), % 99.9 to 100
61 to 64
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Zinc (Zn), % 0
35.6 to 39
Residuals, % 0
0 to 0.3