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6151 Aluminum vs. AWS BAg-19

6151 aluminum belongs to the aluminum alloys classification, while AWS BAg-19 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, 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 6151 aluminum and the bottom bar is AWS BAg-19.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
74
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 330 to 340
140

Thermal Properties

Latent Heat of Fusion, J/g 410
120
Melting Completion (Liquidus), °C 650
890
Melting Onset (Solidus), °C 590
760
Specific Heat Capacity, J/kg-K 900
250
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Density, g/cm3 2.7
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 34
3.8
Strength to Weight: Bending, points 39
5.8
Thermal Shock Resistance, points 15
6.9

Alloy Composition

Aluminum (Al), % 95.6 to 98.8
0
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.35
6.6 to 7.9
Iron (Fe), % 0 to 1.0
0
Lithium (Li), % 0
0.15 to 0.3
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.2
0
Silicon (Si), % 0.6 to 1.2
0
Silver (Ag), % 0
92 to 93
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.15