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C82800 Copper vs. C27400 Brass

Both C82800 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 (6, in this case) are not shown.

For each property being compared, the top bar is C82800 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 0.33
0.31
Rockwell B Hardness 45 to 85
53 to 91
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 310
120
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 890
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
28
Electrical Conductivity: Equal Weight (Specific), % IACS 19
31

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 12
2.7
Embodied Energy, MJ/kg 190
45
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 21 to 36
13 to 23
Strength to Weight: Bending, points 20 to 28
14 to 21
Thermal Diffusivity, mm2/s 36
37
Thermal Shock Resistance, points 23 to 39
12 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
61 to 64
Iron (Fe), % 0 to 0.25
0 to 0.1
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
35.6 to 39
Residuals, % 0
0 to 0.3