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5657 Aluminum vs. 4343 Aluminum

Both 5657 aluminum and 4343 aluminum are aluminum alloys. They have a moderately high 92% 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 5657 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, % 6.6 to 15
4.4
Fatigue Strength, MPa 74 to 88
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 92 to 110
64
Tensile Strength: Ultimate (UTS), MPa 150 to 200
110
Tensile Strength: Yield (Proof), MPa 140 to 170
62

Thermal Properties

Latent Heat of Fusion, J/g 400
510
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 660
620
Melting Onset (Solidus), °C 640
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 210
180
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
44
Electrical Conductivity: Equal Weight (Specific), % IACS 180
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 160
150
Embodied Water, L/kg 1200
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
27
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
53
Strength to Weight: Axial, points 15 to 20
12
Strength to Weight: Bending, points 23 to 28
20
Thermal Diffusivity, mm2/s 84
77
Thermal Shock Resistance, points 6.7 to 8.6
5.2

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
90.3 to 93.2
Copper (Cu), % 0 to 0.1
0 to 0.25
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.8
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0 to 0.030
0 to 0.1
Silicon (Si), % 0 to 0.080
6.8 to 8.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.2
Residuals, % 0 to 0.050
0 to 0.15