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AWS E430Nb vs. EN AC-21200 Aluminum

AWS E430Nb belongs to the iron alloys classification, while EN AC-21200 aluminum belongs to the aluminum 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 AWS E430Nb and the bottom bar is EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 23
3.9 to 6.2
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 500
410 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Melting Completion (Liquidus), °C 1450
660
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 24
130
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
34
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
100

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 3.1
8.0
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 120
1150

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 18
38 to 40
Strength to Weight: Bending, points 18
41 to 43
Thermal Diffusivity, mm2/s 6.6
49
Thermal Shock Resistance, points 13
18 to 19

Alloy Composition

Aluminum (Al), % 0
93.3 to 95.7
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 15 to 18
0
Copper (Cu), % 0 to 0.75
4.0 to 5.0
Iron (Fe), % 76.2 to 84.5
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0.15 to 0.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0 to 0.050
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1