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AWS ER90S-B9 vs. A206.0 Aluminum

AWS ER90S-B9 belongs to the iron alloys classification, while A206.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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-B9 and the bottom bar is A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 18
4.2 to 10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
26
Tensile Strength: Ultimate (UTS), MPa 690
390 to 440
Tensile Strength: Yield (Proof), MPa 470
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 270
390
Melting Completion (Liquidus), °C 1450
670
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
90

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 91
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
16 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 570
440 to 1000
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 25
36 to 41
Strength to Weight: Bending, points 22
39 to 43
Thermal Diffusivity, mm2/s 6.9
48
Thermal Shock Resistance, points 19
17 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.040
93.9 to 95.7
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0
Copper (Cu), % 0 to 0.2
4.2 to 5.0
Iron (Fe), % 84.4 to 90.7
0 to 0.1
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 1.2
0 to 0.2
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
0 to 0.050
Niobium (Nb), % 0.020 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.15 to 0.5
0 to 0.050
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15