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201.0 Aluminum vs. AWS ER90S-D2

201.0 aluminum belongs to the aluminum alloys classification, while AWS ER90S-D2 belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 201.0 aluminum and the bottom bar is AWS ER90S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 4.4 to 20
19
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 370 to 470
710
Tensile Strength: Yield (Proof), MPa 220 to 400
600

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 570
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30 to 33
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 97
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 38
2.6
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.6
Embodied Energy, MJ/kg 160
21

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 63
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 1160
980
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 33 to 42
25
Strength to Weight: Bending, points 37 to 44
23
Thermal Diffusivity, mm2/s 45
13
Thermal Shock Resistance, points 19 to 25
21

Alloy Composition

Aluminum (Al), % 92.1 to 95.1
0
Carbon (C), % 0
0.070 to 0.12
Copper (Cu), % 4.0 to 5.2
0 to 0.5
Iron (Fe), % 0 to 0.15
95.2 to 97.4
Magnesium (Mg), % 0.15 to 0.55
0
Manganese (Mn), % 0.2 to 0.5
1.6 to 2.1
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0.5 to 0.8
Silver (Ag), % 0.4 to 1.0
0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.15 to 0.35
0
Residuals, % 0
0 to 0.5