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328.0-F Aluminum vs. 5251-F Aluminum

Both 328.0-F aluminum and 5251-F aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 328.0-F aluminum and the bottom bar is 5251-F aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
68
Elongation at Break, % 1.6
18
Fatigue Strength, MPa 80
59
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 200
180
Tensile Strength: Yield (Proof), MPa 120
68

Thermal Properties

Latent Heat of Fusion, J/g 510
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 620
650
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
37
Electrical Conductivity: Equal Weight (Specific), % IACS 99
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 7.8
8.5
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1070
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
25
Resilience: Unit (Modulus of Resilience), kJ/m3 92
34
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 28
26
Thermal Diffusivity, mm2/s 50
61
Thermal Shock Resistance, points 9.2
7.9

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
95.5 to 98.2
Chromium (Cr), % 0 to 0.35
0 to 0.15
Copper (Cu), % 1.0 to 2.0
0 to 0.15
Iron (Fe), % 0 to 1.0
0 to 0.5
Magnesium (Mg), % 0.2 to 0.6
1.7 to 2.4
Manganese (Mn), % 0.2 to 0.6
0.1 to 0.5
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 7.5 to 8.5
0 to 0.4
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 1.5
0 to 0.15
Residuals, % 0 to 0.5
0 to 0.15