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C23400 Brass vs. C81400 Copper

Both C23400 brass and C81400 copper are copper alloys. They have 83% of their average alloy composition in common. There are 23 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 C23400 brass and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 52 to 91
69
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 370 to 640
370

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 970
1090
Melting Onset (Solidus), °C 930
1070
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
260
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 21
11
Strength to Weight: Bending, points 13 to 19
13
Thermal Diffusivity, mm2/s 36
75
Thermal Shock Resistance, points 12 to 22
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 81 to 84
98.4 to 99.38
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0
Zinc (Zn), % 15.7 to 19
0
Residuals, % 0
0 to 0.5