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C81500 Copper vs. C23400 Brass

Both C81500 copper and C23400 brass are copper alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 350
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
970
Melting Onset (Solidus), °C 1080
930
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12 to 21
Strength to Weight: Bending, points 12
13 to 19
Thermal Diffusivity, mm2/s 91
36
Thermal Shock Resistance, points 12
12 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
81 to 84
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
15.7 to 19
Residuals, % 0 to 0.5
0 to 0.2