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5251-F Aluminum vs. A390.0-F Aluminum

Both 5251-F aluminum and A390.0-F aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 5251-F aluminum and the bottom bar is A390.0-F aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
75
Elongation at Break, % 18
0.91
Fatigue Strength, MPa 59
70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 180
220
Tensile Strength: Yield (Proof), MPa 68
210

Thermal Properties

Latent Heat of Fusion, J/g 400
640
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
580
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
20
Electrical Conductivity: Equal Weight (Specific), % IACS 120
67

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
7.3
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 34
280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 26
30
Thermal Diffusivity, mm2/s 61
56
Thermal Shock Resistance, points 7.9
10

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
75.3 to 79.6
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
4.0 to 5.0
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 1.7 to 2.4
0.45 to 0.65
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.4
16 to 18
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.2