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AWS BAu-5 vs. EN AC-21200 Aluminum

AWS BAu-5 belongs to the otherwise unclassified metals classification, while EN AC-21200 aluminum belongs to the aluminum alloys. 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 AWS BAu-5 and the bottom bar is EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
71
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 50
27
Tensile Strength: Ultimate (UTS), MPa 210
410 to 440

Thermal Properties

Latent Heat of Fusion, J/g 180
390
Melting Completion (Liquidus), °C 1170
660
Melting Onset (Solidus), °C 1140
550
Specific Heat Capacity, J/kg-K 280
880
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Density, g/cm3 13
3.0

Common Calculations

Stiffness to Weight: Axial, points 5.8
13
Stiffness to Weight: Bending, points 13
46
Strength to Weight: Axial, points 4.5
38 to 40
Strength to Weight: Bending, points 6.0
41 to 43
Thermal Shock Resistance, points 9.0
18 to 19

Alloy Composition

Aluminum (Al), % 0
93.3 to 95.7
Copper (Cu), % 0
4.0 to 5.0
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0.15 to 0.5
Manganese (Mn), % 0
0.2 to 0.5
Nickel (Ni), % 35.5 to 36.4
0 to 0.050
Palladium (Pd), % 33.5 to 34.5
0
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1