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5456 Aluminum vs. 6023 Aluminum

Both 5456 aluminum and 6023 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5456 aluminum and the bottom bar is 6023 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 11 to 18
11
Fatigue Strength, MPa 130 to 210
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190 to 210
210 to 220
Tensile Strength: Ultimate (UTS), MPa 320 to 340
360
Tensile Strength: Yield (Proof), MPa 150 to 250
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
580
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
45
Electrical Conductivity: Equal Weight (Specific), % IACS 97
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 9.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 46
38 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 470
670 to 690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 33 to 35
35 to 36
Strength to Weight: Bending, points 38 to 40
40
Thermal Diffusivity, mm2/s 48
67
Thermal Shock Resistance, points 14 to 15
16

Alloy Composition

Aluminum (Al), % 92 to 94.8
94 to 97.7
Bismuth (Bi), % 0
0.3 to 0.8
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0.2 to 0.5
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 4.7 to 5.5
0.4 to 0.9
Manganese (Mn), % 0.5 to 1.0
0.2 to 0.6
Silicon (Si), % 0 to 0.25
0.6 to 1.4
Tin (Sn), % 0
0.6 to 1.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.15