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3303 Aluminum vs. CC763S Brass

3303 aluminum belongs to the aluminum alloys classification, while CC763S brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 23
7.3
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 110
490
Tensile Strength: Yield (Proof), MPa 39
270

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 650
870
Melting Onset (Solidus), °C 620
830
Specific Heat Capacity, J/kg-K 900
400
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
32

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.8
8.0
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
30
Resilience: Unit (Modulus of Resilience), kJ/m3 11
340
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 11
17
Strength to Weight: Bending, points 18
17
Thermal Shock Resistance, points 4.8
16

Alloy Composition


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Aluminum (Al), % 96.6 to 99
1.0 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 0.050 to 0.2
56.5 to 67
Iron (Fe), % 0 to 0.7
0.5 to 2.0
Lead (Pb), % 0
0 to 1.5
Manganese (Mn), % 1.0 to 1.5
1.0 to 3.5
Nickel (Ni), % 0
0 to 2.5
Silicon (Si), % 0 to 0.6
0 to 1.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.3
18.9 to 41
Residuals, % 0 to 0.15
0