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4104 Aluminum vs. AWS BAg-28

4104 aluminum belongs to the aluminum alloys classification, while AWS BAg-28 belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 4104 aluminum and the bottom bar is AWS BAg-28.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
33
Tensile Strength: Ultimate (UTS), MPa 110
150

Thermal Properties

Brazing Temperature, °C 590 to 600
680 to 840
Latent Heat of Fusion, J/g 540
140
Melting Completion (Liquidus), °C 600
710
Melting Onset (Solidus), °C 560
650
Specific Heat Capacity, J/kg-K 900
320
Thermal Expansion, µm/m-K 22
21

Otherwise Unclassified Properties

Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.0
40
Embodied Energy, MJ/kg 150
630

Common Calculations

Stiffness to Weight: Axial, points 15
5.6
Stiffness to Weight: Bending, points 54
17
Strength to Weight: Axial, points 12
4.7
Strength to Weight: Bending, points 20
7.1
Thermal Shock Resistance, points 5.1
5.8

Alloy Composition

Aluminum (Al), % 85.8 to 90
0
Bismuth (Bi), % 0.020 to 0.2
0
Copper (Cu), % 0 to 0.25
29 to 31
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 1.0 to 2.0
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 9.0 to 10.5
0
Silver (Ag), % 0
39 to 41
Tin (Sn), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 0.2
26 to 30
Residuals, % 0
0 to 0.15