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AWS E312 vs. EN AC-44400 Aluminum

AWS E312 belongs to the iron alloys classification, while EN AC-44400 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 E312 and the bottom bar is EN AC-44400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 25
4.1
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
27
Tensile Strength: Ultimate (UTS), MPa 740
210

Thermal Properties

Latent Heat of Fusion, J/g 310
540
Melting Completion (Liquidus), °C 1410
600
Melting Onset (Solidus), °C 1360
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 15
22

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.6
7.8
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 200
1080

Common Calculations

Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
31
Thermal Shock Resistance, points 18
9.8

Alloy Composition

Aluminum (Al), % 0
87.1 to 92
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 28 to 32
0
Copper (Cu), % 0 to 0.75
0 to 0.1
Iron (Fe), % 52.3 to 63.5
0 to 0.65
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.5 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
8.0 to 11
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15