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EN AC-48100 Aluminum vs. AWS BAu-5

EN AC-48100 aluminum belongs to the aluminum alloys classification, while AWS BAu-5 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 EN AC-48100 aluminum and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
140
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 29
50
Tensile Strength: Ultimate (UTS), MPa 240 to 330
210

Thermal Properties

Latent Heat of Fusion, J/g 640
180
Melting Completion (Liquidus), °C 580
1170
Melting Onset (Solidus), °C 470
1140
Specific Heat Capacity, J/kg-K 880
280
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Density, g/cm3 2.8
13

Common Calculations

Stiffness to Weight: Axial, points 15
5.8
Stiffness to Weight: Bending, points 51
13
Strength to Weight: Axial, points 24 to 33
4.5
Strength to Weight: Bending, points 31 to 38
6.0
Thermal Shock Resistance, points 11 to 16
9.0

Alloy Composition

Aluminum (Al), % 72.1 to 79.8
0
Copper (Cu), % 4.0 to 5.0
0
Gold (Au), % 0
29.5 to 30.5
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.3
35.5 to 36.4
Palladium (Pd), % 0
33.5 to 34.5
Silicon (Si), % 16 to 18
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0
0 to 0.15