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6061 Aluminum vs. AWS BAu-3

6061 aluminum belongs to the aluminum alloys classification, while AWS BAu-3 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, 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 6061 aluminum and the bottom bar is AWS BAu-3.

6061 (AlMg1SiCu, 3.3214, H20, A96061) AluminumAWS BAu-3 (P00350) Filler Metal
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 130 to 410
220

Thermal Properties

Latent Heat of Fusion, J/g 400
160
Melting Completion (Liquidus), °C 650
1030
Melting Onset (Solidus), °C 580
970
Specific Heat Capacity, J/kg-K 900
300
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Density, g/cm3 2.7
13

Common Calculations

Stiffness to Weight: Axial, points 14
5.0
Stiffness to Weight: Bending, points 50
13
Strength to Weight: Axial, points 13 to 42
4.9
Strength to Weight: Bending, points 21 to 45
6.4
Thermal Shock Resistance, points 5.7 to 18
8.7

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
0
Chromium (Cr), % 0.040 to 0.35
0
Copper (Cu), % 0.15 to 0.4
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
2.5 to 3.5
Silicon (Si), % 0.4 to 0.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.15