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AWS ER90S-B9 vs. EN AC-44000 Aluminum

AWS ER90S-B9 belongs to the iron alloys classification, while EN AC-44000 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 18
7.3
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 690
180
Tensile Strength: Yield (Proof), MPa 470
86

Thermal Properties

Latent Heat of Fusion, J/g 270
560
Melting Completion (Liquidus), °C 1450
590
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 25
140
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
130

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.8
2.5
Embodied Carbon, kg CO2/kg material 2.6
7.8
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 91
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 570
51
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
55
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 6.9
61
Thermal Shock Resistance, points 19
8.4

Alloy Composition

Aluminum (Al), % 0 to 0.040
87.1 to 90
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 84.4 to 90.7
0 to 0.19
Magnesium (Mg), % 0
0 to 0.45
Manganese (Mn), % 0 to 1.2
0 to 0.1
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
0
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
10 to 11.8
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.15
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1