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6023 Aluminum vs. 5456 Aluminum

Both 6023 aluminum and 5456 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 6023 aluminum and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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