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C82800 Copper vs. C24000 Brass

Both C82800 copper and C24000 brass are copper alloys. They have 80% 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 C82800 copper and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.33
0.32
Rockwell B Hardness 45 to 85
52 to 91
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 310
160
Melting Completion (Liquidus), °C 930
1000
Melting Onset (Solidus), °C 890
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
32
Electrical Conductivity: Equal Weight (Specific), % IACS 19
34

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 12
2.6
Embodied Energy, MJ/kg 190
43
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 21 to 36
10 to 21
Strength to Weight: Bending, points 20 to 28
12 to 20
Thermal Diffusivity, mm2/s 36
43
Thermal Shock Resistance, points 23 to 39
10 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.5 to 2.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
78.5 to 81.5
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.050
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0.2 to 0.35
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
18.2 to 21.5
Residuals, % 0
0 to 0.2