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5251 Aluminum vs. 6060 Aluminum

Both 5251 aluminum and 6060 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 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 aluminum and the bottom bar is 6060 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 2.0 to 19
9.0 to 16
Fatigue Strength, MPa 59 to 110
37 to 70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 110 to 160
86 to 130
Tensile Strength: Ultimate (UTS), MPa 180 to 280
140 to 220
Tensile Strength: Yield (Proof), MPa 67 to 250
71 to 170

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
210
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
54
Electrical Conductivity: Equal Weight (Specific), % IACS 120
180

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
13 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
37 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 18 to 29
14 to 23
Strength to Weight: Bending, points 26 to 35
22 to 30
Thermal Diffusivity, mm2/s 61
85
Thermal Shock Resistance, points 7.9 to 13
6.3 to 9.9

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
97.9 to 99.3
Chromium (Cr), % 0 to 0.15
0 to 0.050
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.5
0.1 to 0.3
Magnesium (Mg), % 1.7 to 2.4
0.35 to 0.6
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.4
0.3 to 0.6
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.15
0 to 0.15
Residuals, % 0
0 to 0.15