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5251 Aluminum vs. A390.0 Aluminum

Both 5251 aluminum and A390.0 aluminum are aluminum alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5251 aluminum and the bottom bar is A390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 68
75
Elongation at Break, % 2.0 to 19
0.87 to 0.91
Fatigue Strength, MPa 59 to 110
70 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 180 to 280
190 to 290
Tensile Strength: Yield (Proof), MPa 67 to 250
190 to 290

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 5.4 to 27
1.6 to 2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
240 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 18 to 29
19 to 30
Strength to Weight: Bending, points 26 to 35
27 to 36
Thermal Diffusivity, mm2/s 61
56
Thermal Shock Resistance, points 7.9 to 13
9.0 to 14

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

Comparable Variants