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5050 Aluminum vs. 6351 Aluminum

Both 5050 aluminum and 6351 aluminum are aluminum alloys. They have a very high 99% 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 5050 aluminum and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 1.7 to 22
7.8 to 18
Fatigue Strength, MPa 45 to 100
79 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 91 to 140
84 to 200
Tensile Strength: Ultimate (UTS), MPa 140 to 250
140 to 310
Tensile Strength: Yield (Proof), MPa 50 to 210
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 630
570
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 190
180
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
46
Electrical Conductivity: Equal Weight (Specific), % IACS 170
150

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
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
65 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 15 to 26
14 to 32
Strength to Weight: Bending, points 22 to 33
22 to 38
Thermal Diffusivity, mm2/s 79
72
Thermal Shock Resistance, points 6.3 to 11
6.1 to 14

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
96 to 98.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.5
Magnesium (Mg), % 1.1 to 1.8
0.4 to 0.8
Manganese (Mn), % 0 to 0.1
0.4 to 0.8
Silicon (Si), % 0 to 0.4
0.7 to 1.3
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants