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4115 Aluminum vs. AWS BAg-34

4115 aluminum belongs to the aluminum alloys classification, while AWS BAg-34 belongs to the otherwise unclassified metals. There are 17 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 4115 aluminum and the bottom bar is AWS BAg-34.

4115 (AlSi2MnMgCu) AluminumAWS BAg-34 (P07380) Filler Metal
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
34
Tensile Strength: Ultimate (UTS), MPa 120 to 220
170

Thermal Properties

Latent Heat of Fusion, J/g 420
140
Melting Completion (Liquidus), °C 640
720
Melting Onset (Solidus), °C 590
650
Specific Heat Capacity, J/kg-K 900
330
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.1
38
Embodied Energy, MJ/kg 150
600

Common Calculations

Stiffness to Weight: Axial, points 14
5.6
Stiffness to Weight: Bending, points 50
17
Strength to Weight: Axial, points 12 to 23
5.4
Strength to Weight: Bending, points 20 to 30
7.7
Thermal Shock Resistance, points 5.2 to 9.9
6.5

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
0
Copper (Cu), % 0.1 to 0.5
31 to 33
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Silicon (Si), % 1.8 to 2.2
0
Silver (Ag), % 0
37 to 39
Tin (Sn), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 0.2
26 to 30
Residuals, % 0
0 to 0.15