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AWS ER90S-B9 vs. 240.0 Aluminum

AWS ER90S-B9 belongs to the iron alloys classification, while 240.0 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-B9 and the bottom bar is 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 18
1.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 690
240
Tensile Strength: Yield (Proof), MPa 470
200

Thermal Properties

Latent Heat of Fusion, J/g 270
380
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1410
520
Specific Heat Capacity, J/kg-K 470
860
Thermal Conductivity, W/m-K 25
96
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
65

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
12
Density, g/cm3 7.8
3.2
Embodied Carbon, kg CO2/kg material 2.6
8.7
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 91
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 570
280
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
43
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 6.9
35
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0 to 0.040
81.7 to 86.9
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0
Copper (Cu), % 0 to 0.2
7.0 to 9.0
Iron (Fe), % 84.4 to 90.7
0 to 0.5
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0 to 1.2
0.3 to 0.7
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
0.3 to 0.7
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 0.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15