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EN AC-42100 Aluminum vs. AWS BVAu-7

EN AC-42100 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 (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-42100 aluminum and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
130
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 26
45
Tensile Strength: Ultimate (UTS), MPa 280 to 290
200

Thermal Properties

Latent Heat of Fusion, J/g 500
140
Melting Completion (Liquidus), °C 610
1120
Melting Onset (Solidus), °C 600
1100
Specific Heat Capacity, J/kg-K 910
240
Thermal Expansion, µm/m-K 22
13

Otherwise Unclassified Properties

Density, g/cm3 2.6
15

Common Calculations

Stiffness to Weight: Axial, points 15
4.7
Stiffness to Weight: Bending, points 53
11
Strength to Weight: Axial, points 30 to 31
3.7
Strength to Weight: Bending, points 37 to 38
5.1
Thermal Shock Resistance, points 13
8.9

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 0 to 0.19
0
Lead (Pb), % 0
0 to 0.0020
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
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), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.0010
Residuals, % 0 to 0.1
0