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3303 Aluminum vs. CC753S Brass

3303 aluminum belongs to the aluminum alloys classification, while CC753S brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 3303 aluminum and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 23
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 110
340
Tensile Strength: Yield (Proof), MPa 39
170

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 650
820
Melting Onset (Solidus), °C 620
780
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
99
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
26
Electrical Conductivity: Equal Weight (Specific), % IACS 140
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.1
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
47
Resilience: Unit (Modulus of Resilience), kJ/m3 11
140
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 11
12
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 67
32
Thermal Shock Resistance, points 4.8
11

Alloy Composition


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Aluminum (Al), % 96.6 to 99
0.4 to 0.8
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 0.050 to 0.2
56.8 to 60.5
Iron (Fe), % 0 to 0.7
0.5 to 0.8
Lead (Pb), % 0
1.8 to 2.5
Manganese (Mn), % 1.0 to 1.5
0 to 0.2
Nickel (Ni), % 0
0.5 to 1.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.050
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0 to 0.3
33.1 to 40
Residuals, % 0 to 0.15
0