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3003 Aluminum vs. C44300 Brass

3003 aluminum belongs to the aluminum alloys classification, while C44300 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 3003 aluminum and the bottom bar is C44300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 110 to 240
350
Tensile Strength: Yield (Proof), MPa 40 to 210
120

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 650
940
Melting Onset (Solidus), °C 640
900
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
27

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.8
8.3
Embodied Carbon, kg CO2/kg material 8.1
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
65
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 24
12
Strength to Weight: Bending, points 18 to 30
13
Thermal Diffusivity, mm2/s 71
35
Thermal Shock Resistance, points 4.7 to 10
12

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Arsenic (As), % 0
0.020 to 0.060
Copper (Cu), % 0.050 to 0.2
70 to 73
Iron (Fe), % 0 to 0.7
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 0 to 0.1
25.2 to 29.1
Residuals, % 0
0 to 0.4