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6261-T6 Aluminum vs. A390.0-T6 Aluminum

Both 6261-T6 aluminum and A390.0-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 6261-T6 aluminum and the bottom bar is A390.0-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
75
Elongation at Break, % 9.0
0.87
Fatigue Strength, MPa 100
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 300
290
Tensile Strength: Yield (Proof), MPa 260
290

Thermal Properties

Latent Heat of Fusion, J/g 400
640
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
580
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 180
130
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
20
Electrical Conductivity: Equal Weight (Specific), % IACS 160
67

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
7.3
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 500
580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 31
30
Strength to Weight: Bending, points 37
36
Thermal Diffusivity, mm2/s 75
56
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 96.6 to 98.6
75.3 to 79.6
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
4.0 to 5.0
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 0.7 to 1.0
0.45 to 0.65
Manganese (Mn), % 0.2 to 0.35
0 to 0.1
Silicon (Si), % 0.4 to 0.7
16 to 18
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.2