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AWS ER90S-D2 vs. 5051A Aluminum

AWS ER90S-D2 belongs to the iron alloys classification, while 5051A aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 ER90S-D2 and the bottom bar is 5051A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 19
18 to 21
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 710
170
Tensile Strength: Yield (Proof), MPa 600
56

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
610
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 47
150
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
39
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.6
8.5
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 50
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
24 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 980
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 25
17 to 18
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 13
63
Thermal Shock Resistance, points 21
7.6

Alloy Composition

Aluminum (Al), % 0
96.1 to 98.6
Carbon (C), % 0.070 to 0.12
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.5
0 to 0.050
Iron (Fe), % 95.2 to 97.4
0 to 0.45
Magnesium (Mg), % 0
1.4 to 2.1
Manganese (Mn), % 1.6 to 2.1
0 to 0.25
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.5 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15