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C82800 Copper vs. C87500 Brass

Both C82800 copper and C87500 brass are copper alloys. They have 83% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C82800 copper and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.0 to 20
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
460
Tensile Strength: Yield (Proof), MPa 380 to 1000
190

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 310
170
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 19
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 12
2.7
Embodied Energy, MJ/kg 190
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
67
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
160
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 21 to 36
16
Strength to Weight: Bending, points 20 to 28
16
Thermal Diffusivity, mm2/s 36
8.3
Thermal Shock Resistance, points 23 to 39
17

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.5
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
79 to 85
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.020
0 to 0.5
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0.2 to 0.35
3.0 to 5.0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
12 to 16
Residuals, % 0
0 to 0.5