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AWS E409Nb vs. EN AC-42000 Aluminum

AWS E409Nb belongs to the iron alloys classification, while EN AC-42000 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 E409Nb and the bottom bar is EN AC-42000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 23
1.1 to 2.4
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Tensile Strength: Ultimate (UTS), MPa 500
170 to 270
Tensile Strength: Yield (Proof), MPa 380
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 280
500
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1410
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 25
160
Thermal Expansion, µm/m-K 14
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
38
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 2.9
8.0
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 100
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.8 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 380
64 to 370
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 18
18 to 28
Strength to Weight: Bending, points 18
26 to 35
Thermal Diffusivity, mm2/s 6.8
66
Thermal Shock Resistance, points 14
7.9 to 12

Alloy Composition

Aluminum (Al), % 0
89.9 to 93.3
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 11 to 14
0
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 80.2 to 88.5
0 to 0.55
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.2 to 0.65
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0 to 0.15
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15