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2618A Aluminum vs. AWS BVAu-2

2618A aluminum belongs to the aluminum alloys classification, while AWS BVAu-2 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 2618A aluminum and the bottom bar is AWS BVAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 440
150

Thermal Properties

Latent Heat of Fusion, J/g 390
92
Melting Completion (Liquidus), °C 670
890
Melting Onset (Solidus), °C 560
890
Specific Heat Capacity, J/kg-K 880
180
Thermal Expansion, µm/m-K 23
15

Otherwise Unclassified Properties

Density, g/cm3 3.0
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.3
Stiffness to Weight: Bending, points 47
9.1
Strength to Weight: Axial, points 41
2.4
Strength to Weight: Bending, points 44
3.6
Thermal Shock Resistance, points 19
7.1

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 1.8 to 2.7
19.5 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0.9 to 1.4
0
Lead (Pb), % 0
0 to 0.0020
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0.8 to 1.4
0
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 0.15 to 0.25
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0 to 0.0010
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0