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5056 Aluminum vs. 6023 Aluminum

Both 5056 aluminum and 6023 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 5056 aluminum and the bottom bar is 6023 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 400
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 910
890
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
45
Electrical Conductivity: Equal Weight (Specific), % IACS 99
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 1180
1180

Common Calculations

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

Alloy Composition

Aluminum (Al), % 93 to 95.4
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), % 4.5 to 5.6
0.4 to 0.9
Manganese (Mn), % 0.050 to 0.2
0.2 to 0.6
Silicon (Si), % 0 to 0.3
0.6 to 1.4
Tin (Sn), % 0
0.6 to 1.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.15