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CC755S Brass vs. 1080A Aluminum

CC755S brass belongs to the copper alloys classification, while 1080A 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 1080A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 9.5
2.3 to 34
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 390
74 to 140
Tensile Strength: Yield (Proof), MPa 250
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 820
640
Melting Onset (Solidus), °C 780
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
230
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
62
Electrical Conductivity: Equal Weight (Specific), % IACS 30
200

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 330
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
3.1 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 290
2.1 to 100
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 14
7.6 to 15
Strength to Weight: Bending, points 15
14 to 22
Thermal Diffusivity, mm2/s 38
94
Thermal Shock Resistance, points 13
3.3 to 6.4

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
99.8 to 100
Copper (Cu), % 59.5 to 61
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0.050 to 0.2
0 to 0.15
Lead (Pb), % 1.2 to 1.7
0
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0 to 0.050
0 to 0.020
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.050
0 to 0.15
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 35.8 to 38.9
0 to 0.060