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AWS E320 vs. EN AC-42100 Aluminum

AWS E320 belongs to the iron alloys classification, while EN AC-42100 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 E320 and the bottom bar is EN AC-42100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 34
3.4 to 9.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 620
280 to 290

Thermal Properties

Latent Heat of Fusion, J/g 300
500
Melting Completion (Liquidus), °C 1410
610
Melting Onset (Solidus), °C 1360
600
Specific Heat Capacity, J/kg-K 460
910
Thermal Expansion, µm/m-K 14
22

Otherwise Unclassified Properties

Base Metal Price, % relative 38
9.5
Density, g/cm3 8.2
2.6
Embodied Carbon, kg CO2/kg material 6.5
8.0
Embodied Energy, MJ/kg 91
150
Embodied Water, L/kg 220
1110

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 21
30 to 31
Strength to Weight: Bending, points 20
37 to 38
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0
91.3 to 93.3
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0 to 0.050
Iron (Fe), % 31.8 to 43.5
0 to 0.19
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0.5 to 2.5
0 to 0.1
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.6
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1