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AWS ER90S-B9 vs. 6063 Aluminum

AWS ER90S-B9 belongs to the iron alloys classification, while 6063 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 6063 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 18
7.3 to 21
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
26
Tensile Strength: Ultimate (UTS), MPa 690
110 to 300
Tensile Strength: Yield (Proof), MPa 470
49 to 270

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1410
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 25
190 to 220
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
49 to 58
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
160 to 190

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
8.3
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 91
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
13 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 570
18 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 25
11 to 31
Strength to Weight: Bending, points 22
18 to 37
Thermal Diffusivity, mm2/s 6.9
79 to 89
Thermal Shock Resistance, points 19
4.8 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.040
97.5 to 99.4
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0 to 0.1
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 84.4 to 90.7
0 to 0.35
Magnesium (Mg), % 0
0.45 to 0.9
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
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15