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CC755S Brass vs. C18100 Copper

Both CC755S brass and C18100 copper are copper alloys. They have 60% of their average alloy composition in common. There are 28 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 C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 9.5
8.3
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
47
Tensile Strength: Ultimate (UTS), MPa 390
510
Tensile Strength: Yield (Proof), MPa 250
460

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 820
1080
Melting Onset (Solidus), °C 780
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
320
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
80
Electrical Conductivity: Equal Weight (Specific), % IACS 30
81

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
40
Resilience: Unit (Modulus of Resilience), kJ/m3 290
900
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 14
16
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 38
94
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 59.5 to 61
98.7 to 99.49
Iron (Fe), % 0.050 to 0.2
0
Lead (Pb), % 1.2 to 1.7
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5