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AWS ER90S-B9 vs. EN AC-51400 Aluminum

AWS ER90S-B9 belongs to the iron alloys classification, while EN AC-51400 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-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
67
Elongation at Break, % 18
3.4
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
25
Tensile Strength: Ultimate (UTS), MPa 690
190
Tensile Strength: Yield (Proof), MPa 470
120

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
600
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.6
9.1
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 91
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 570
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 6.9
46
Thermal Shock Resistance, points 19
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.040
90.5 to 95.5
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 0.55
Magnesium (Mg), % 0
4.5 to 6.5
Manganese (Mn), % 0 to 1.2
0 to 0.45
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
0 to 1.5
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