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5449 Aluminum vs. C35300 Brass

5449 aluminum belongs to the aluminum alloys classification, while C35300 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 5449 aluminum and the bottom bar is C35300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 210 to 330
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 650
910
Melting Onset (Solidus), °C 590
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
26
Electrical Conductivity: Equal Weight (Specific), % IACS 110
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.5
2.6
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 22 to 33
12 to 22
Strength to Weight: Bending, points 29 to 39
13 to 21
Thermal Diffusivity, mm2/s 56
38
Thermal Shock Resistance, points 9.4 to 15
11 to 22

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
60 to 63
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0
1.5 to 2.5
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
33.9 to 38.5
Residuals, % 0
0 to 0.5