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5050 Aluminum vs. 4343 Aluminum

Both 5050 aluminum and 4343 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 30 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 5050 aluminum and the bottom bar is 4343 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.7 to 22
4.4
Fatigue Strength, MPa 45 to 100
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 91 to 140
64
Tensile Strength: Ultimate (UTS), MPa 140 to 250
110
Tensile Strength: Yield (Proof), MPa 50 to 210
62

Thermal Properties

Latent Heat of Fusion, J/g 400
510
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 650
620
Melting Onset (Solidus), °C 630
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 190
180
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
44
Electrical Conductivity: Equal Weight (Specific), % IACS 170
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.4
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
27
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
53
Strength to Weight: Axial, points 15 to 26
12
Strength to Weight: Bending, points 22 to 33
20
Thermal Diffusivity, mm2/s 79
77
Thermal Shock Resistance, points 6.3 to 11
5.2

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
90.3 to 93.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.7
0 to 0.8
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 0 to 0.4
6.8 to 8.2
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15