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EN AC-42100 Aluminum vs. AWS E309

EN AC-42100 aluminum belongs to the aluminum alloys classification, while AWS E309 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 E309.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.4 to 9.0
34
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 280 to 290
620

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Melting Completion (Liquidus), °C 610
1410
Melting Onset (Solidus), °C 600
1370
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.7
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1110
180

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 30 to 31
22
Strength to Weight: Bending, points 37 to 38
21
Thermal Diffusivity, mm2/s 66
4.0
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
22 to 25
Copper (Cu), % 0 to 0.050
0 to 0.75
Iron (Fe), % 0 to 0.19
55.8 to 65.5
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0