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6023 Aluminum vs. 5056 Aluminum

Both 6023 aluminum and 5056 aluminum are aluminum alloys. They have a very 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 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
67
Elongation at Break, % 11
4.9 to 31
Fatigue Strength, MPa 120 to 130
140 to 200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 210 to 220
170 to 240
Tensile Strength: Ultimate (UTS), MPa 360
290 to 460
Tensile Strength: Yield (Proof), MPa 300 to 310
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 400
400
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
910
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
99

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
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
12 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
170 to 1220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
51
Strength to Weight: Axial, points 35 to 36
30 to 48
Strength to Weight: Bending, points 40
36 to 50
Thermal Diffusivity, mm2/s 67
53
Thermal Shock Resistance, points 16
13 to 20

Alloy Composition


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Aluminum (Al), % 94 to 97.7
93 to 95.4
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
4.5 to 5.6
Manganese (Mn), % 0.2 to 0.6
0.050 to 0.2
Silicon (Si), % 0.6 to 1.4
0 to 0.3
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15