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6261 Aluminum vs. AWS BAg-3

6261 aluminum belongs to the aluminum alloys classification, while AWS BAg-3 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 6261 aluminum and the bottom bar is AWS BAg-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
30
Tensile Strength: Ultimate (UTS), MPa 150 to 300
170

Thermal Properties

Latent Heat of Fusion, J/g 400
120
Melting Completion (Liquidus), °C 640
690
Melting Onset (Solidus), °C 610
630
Specific Heat Capacity, J/kg-K 900
290
Thermal Expansion, µm/m-K 23
22

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.3
Embodied Carbon, kg CO2/kg material 8.3
49
Embodied Energy, MJ/kg 150
770

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 50
15
Strength to Weight: Axial, points 15 to 31
5.1
Strength to Weight: Bending, points 23 to 37
7.3
Thermal Shock Resistance, points 6.5 to 13
6.9

Alloy Composition

Aluminum (Al), % 96.6 to 98.6
0
Cadmium (Cd), % 0
15 to 17
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
14.5 to 16.5
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 0.7 to 1.0
0
Manganese (Mn), % 0.2 to 0.35
0
Nickel (Ni), % 0
2.5 to 3.5
Silicon (Si), % 0.4 to 0.7
0
Silver (Ag), % 0
49 to 51
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
13.5 to 17.5
Residuals, % 0
0 to 0.15