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5056-O Aluminum vs. 5059-O Aluminum

Both 5056-O aluminum and 5059-O aluminum are aluminum alloys. Both are furnished in the annealed condition. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 5056-O aluminum and the bottom bar is 5059-O aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
69
Elongation at Break, % 31
25
Fatigue Strength, MPa 140
200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 170
230
Tensile Strength: Ultimate (UTS), MPa 290
360
Tensile Strength: Yield (Proof), MPa 150
170

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
510
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
29
Electrical Conductivity: Equal Weight (Specific), % IACS 99
95

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 9.0
9.1
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74
75
Resilience: Unit (Modulus of Resilience), kJ/m3 170
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 30
36
Strength to Weight: Bending, points 36
41
Thermal Diffusivity, mm2/s 53
44
Thermal Shock Resistance, points 13
16

Alloy Composition


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Aluminum (Al), % 93 to 95.4
89.9 to 94
Chromium (Cr), % 0.050 to 0.2
0 to 0.25
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 4.5 to 5.6
5.0 to 6.0
Manganese (Mn), % 0.050 to 0.2
0.6 to 1.2
Silicon (Si), % 0 to 0.3
0 to 0.45
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.1
0.4 to 0.9
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0 to 0.15
0 to 0.15