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238.0 Aluminum vs. AWS BVAu-7

238.0 aluminum belongs to the aluminum alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (15, 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 238.0 aluminum and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
130
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 28
45
Tensile Strength: Ultimate (UTS), MPa 210
200

Thermal Properties

Latent Heat of Fusion, J/g 430
140
Melting Completion (Liquidus), °C 600
1120
Melting Onset (Solidus), °C 510
1100
Specific Heat Capacity, J/kg-K 840
240
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Density, g/cm3 3.4
15

Common Calculations

Stiffness to Weight: Axial, points 12
4.7
Stiffness to Weight: Bending, points 42
11
Strength to Weight: Axial, points 17
3.7
Strength to Weight: Bending, points 23
5.1
Thermal Shock Resistance, points 9.1
8.9

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 9.5 to 10.5
0
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 1.0 to 1.5
0
Lead (Pb), % 0
0 to 0.0020
Magnesium (Mg), % 0 to 0.25
0
Nickel (Ni), % 0
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 3.6 to 4.4
0
Zinc (Zn), % 1.0 to 1.5
0 to 0.0010