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C27000 Brass vs. C12600 Copper

Both C27000 brass and C12600 copper are copper alloys. They have 66% 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 C27000 brass and the bottom bar is C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
56
Tensile Strength: Ultimate (UTS), MPa 370 to 650
270

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 900
1030
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
29
Electrical Conductivity: Equal Weight (Specific), % IACS 30
29

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 22
8.2
Strength to Weight: Bending, points 14 to 21
10
Thermal Diffusivity, mm2/s 37
39
Thermal Shock Resistance, points 12 to 22
9.5

Alloy Composition

Copper (Cu), % 63 to 68.5
99.5 to 99.8
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.070
0
Phosphorus (P), % 0
0.2 to 0.4
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0