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6065 Aluminum vs. AWS ER90S-D2

6065 aluminum belongs to the aluminum alloys classification, while AWS ER90S-D2 belongs to the iron 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 6065 aluminum and the bottom bar is AWS ER90S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.5 to 11
19
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 310 to 400
710
Tensile Strength: Yield (Proof), MPa 270 to 380
600

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
47
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.6
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
130
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 31 to 40
25
Strength to Weight: Bending, points 36 to 43
23
Thermal Diffusivity, mm2/s 67
13
Thermal Shock Resistance, points 14 to 18
21

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0
Bismuth (Bi), % 0.5 to 1.5
0
Carbon (C), % 0
0.070 to 0.12
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0.15 to 0.4
0 to 0.5
Iron (Fe), % 0 to 0.7
95.2 to 97.4
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
1.6 to 2.1
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.4 to 0.8
0.5 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.5