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CC755S Brass vs. 204.0 Aluminum

CC755S brass belongs to the copper alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is CC755S brass and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
90 to 120
Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 9.5
5.7 to 7.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 390
230 to 340
Tensile Strength: Yield (Proof), MPa 250
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 820
650
Melting Onset (Solidus), °C 780
580
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 30
87 to 100

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.1
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 290
220 to 350
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 14
21 to 31
Strength to Weight: Bending, points 15
28 to 36
Thermal Diffusivity, mm2/s 38
46
Thermal Shock Resistance, points 13
12 to 18

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
93.4 to 95.5
Copper (Cu), % 59.5 to 61
4.2 to 5.0
Iron (Fe), % 0.050 to 0.2
0 to 0.35
Lead (Pb), % 1.2 to 1.7
0
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 0.050
0 to 0.1
Nickel (Ni), % 0 to 0.2
0 to 0.050
Silicon (Si), % 0 to 0.050
0 to 0.2
Tin (Sn), % 0 to 0.3
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 35.8 to 38.9
0 to 0.1
Residuals, % 0
0 to 0.15