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CC755S Brass vs. C82700 Copper

Both CC755S brass and C82700 copper are copper alloys. They have 61% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC755S brass and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 9.5
1.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 390
1200
Tensile Strength: Yield (Proof), MPa 250
1020

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
300
Melting Completion (Liquidus), °C 820
950
Melting Onset (Solidus), °C 780
860
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
20
Electrical Conductivity: Equal Weight (Specific), % IACS 30
21

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 46
180
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
21
Resilience: Unit (Modulus of Resilience), kJ/m3 290
4260
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
38
Strength to Weight: Bending, points 15
29
Thermal Diffusivity, mm2/s 38
39
Thermal Shock Resistance, points 13
41

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 59.5 to 61
94.6 to 96.7
Iron (Fe), % 0.050 to 0.2
0 to 0.25
Lead (Pb), % 1.2 to 1.7
0 to 0.020
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.2
1.0 to 1.5
Silicon (Si), % 0 to 0.050
0 to 0.15
Tin (Sn), % 0 to 0.3
0 to 0.1
Zinc (Zn), % 35.8 to 38.9
0 to 0.1
Residuals, % 0
0 to 0.5