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6261-T5 Aluminum vs. A390.0-T5 Aluminum

Both 6261-T5 aluminum and A390.0-T5 aluminum are aluminum alloys. Both are furnished in the T5 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-T5 aluminum and the bottom bar is A390.0-T5 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
75
Elongation at Break, % 9.1
0.87
Fatigue Strength, MPa 120
77
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 290
190
Tensile Strength: Yield (Proof), MPa 240
190

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 24
1.6
Resilience: Unit (Modulus of Resilience), kJ/m3 400
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 35
27
Thermal Diffusivity, mm2/s 75
56
Thermal Shock Resistance, points 13
9.0

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