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3303 Aluminum vs. C85900 Brass

3303 aluminum belongs to the aluminum alloys classification, while C85900 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 C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 23
30
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 110
460
Tensile Strength: Yield (Proof), MPa 39
190

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 650
830
Melting Onset (Solidus), °C 620
790
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
89
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
28

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
110
Resilience: Unit (Modulus of Resilience), kJ/m3 11
170
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 11
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 67
29
Thermal Shock Resistance, points 4.8
16

Alloy Composition

Aluminum (Al), % 96.6 to 99
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 0.050 to 0.2
58 to 62
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 1.0 to 1.5
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0 to 0.3
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0 to 0.15
0 to 0.7