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AWS E316LMn vs. 3203 Aluminum

AWS E316LMn belongs to the iron alloys classification, while 3203 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 E316LMn and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 23
4.5 to 29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 620
110 to 200

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Melting Completion (Liquidus), °C 1420
650
Melting Onset (Solidus), °C 1370
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 14
23

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 4.6
8.1
Embodied Energy, MJ/kg 64
150
Embodied Water, L/kg 180
1180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 22
11 to 20
Strength to Weight: Bending, points 20
19 to 28
Thermal Shock Resistance, points 15
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 0
96.9 to 99
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.050
Iron (Fe), % 47.5 to 59.4
0 to 0.7
Manganese (Mn), % 5.0 to 8.0
1.0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 15 to 18
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.9
0 to 0.6
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15