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3203 Aluminum vs. C33000 Brass

3203 aluminum belongs to the aluminum alloys classification, while C33000 brass belongs to the copper alloys. There are 29 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 3203 aluminum and the bottom bar is C33000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.5 to 29
7.0 to 60
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 72 to 120
240 to 300
Tensile Strength: Ultimate (UTS), MPa 110 to 200
320 to 520
Tensile Strength: Yield (Proof), MPa 39 to 190
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 650
940
Melting Onset (Solidus), °C 620
900
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
24
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
60 to 950
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 20
11 to 18
Strength to Weight: Bending, points 19 to 28
13 to 18
Thermal Diffusivity, mm2/s 70
37
Thermal Shock Resistance, points 4.9 to 8.8
11 to 17

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Copper (Cu), % 0 to 0.050
65 to 68
Iron (Fe), % 0 to 0.7
0 to 0.070
Lead (Pb), % 0
0.25 to 0.7
Manganese (Mn), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.6
0
Zinc (Zn), % 0 to 0.1
30.8 to 34.8
Residuals, % 0
0 to 0.4