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5050 Aluminum vs. 5051A Aluminum

Both 5050 aluminum and 5051A aluminum are aluminum alloys. Their average alloy composition is basically identical. 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 5050 aluminum and the bottom bar is 5051A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 1.7 to 22
18 to 21
Fatigue Strength, MPa 45 to 100
51 to 61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 91 to 140
110
Tensile Strength: Ultimate (UTS), MPa 140 to 250
170
Tensile Strength: Yield (Proof), MPa 50 to 210
56

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 630
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 190
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
39
Electrical Conductivity: Equal Weight (Specific), % IACS 170
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
24 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 15 to 26
17 to 18
Strength to Weight: Bending, points 22 to 33
25
Thermal Diffusivity, mm2/s 79
63
Thermal Shock Resistance, points 6.3 to 11
7.6

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
96.1 to 98.6
Chromium (Cr), % 0 to 0.1
0 to 0.3
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.7
0 to 0.45
Magnesium (Mg), % 1.1 to 1.8
1.4 to 2.1
Manganese (Mn), % 0 to 0.1
0 to 0.25
Silicon (Si), % 0 to 0.4
0 to 0.3
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants