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5005-H26 Aluminum vs. 5005-O Aluminum

Both 5005-H26 aluminum and 5005-O aluminum are variants of the same material. They share alloy composition and many physical properties, but develop different mechanical properties as a result of different processing.

For each property being compared, the top bar is 5005-H26 aluminum and the bottom bar is 5005-O aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 52
28
Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 2.5
23
Fatigue Strength, MPa 79
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 100
75
Tensile Strength: Ultimate (UTS), MPa 180
120
Tensile Strength: Yield (Proof), MPa 150
41

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 630
630
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 200
200
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
52
Electrical Conductivity: Equal Weight (Specific), % IACS 170
170

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Calomel Potential, mV -740
-740
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2
22
Resilience: Unit (Modulus of Resilience), kJ/m3 150
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 82
82
Thermal Shock Resistance, points 7.8
5.4

Alloy Composition


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Aluminum (Al), % 97 to 99.5
97 to 99.5
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 0 to 0.2
0 to 0.2
Iron (Fe), % 0 to 0.7
0 to 0.7
Magnesium (Mg), % 0.5 to 1.1
0.5 to 1.1
Manganese (Mn), % 0 to 0.2
0 to 0.2
Silicon (Si), % 0 to 0.3
0 to 0.3
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15