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5456-O Aluminum

5456-O aluminum is 5456 aluminum in the annealed condition. It has the highest ductility compared to the other variants of 5456 aluminum. The graph bars on the material properties cards below compare 5456-O aluminum to: 5000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

80

Elastic (Young's, Tensile) Modulus

68 GPa 9.9 x 106 psi

Elongation at Break

18 %

Fatigue Strength

160 MPa 24 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.7 x 106 psi

Shear Strength

200 MPa 28 x 103 psi

Tensile Strength: Ultimate (UTS)

320 MPa 46 x 103 psi

Tensile Strength: Yield (Proof)

150 MPa 22 x 103 psi

Thermal Properties

Latent Heat of Fusion

390 J/g

Maximum Temperature: Corrosion

65 °C 150 °F

Maximum Temperature: Mechanical

190 °C 370 °F

Melting Completion (Liquidus)

640 °C 1180 °F

Melting Onset (Solidus)

570 °C 1060 °F

Specific Heat Capacity

900 J/kg-K 0.22 BTU/lb-°F

Thermal Conductivity

120 W/m-K 68 BTU/h-ft-°F

Thermal Expansion

24 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

29 % IACS

Electrical Conductivity: Equal Weight (Specific)

97 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

2.7 g/cm3 170 lb/ft3

Embodied Carbon

9.0 kg CO2/kg material

Embodied Energy

150 MJ/kg 66 x 103 BTU/lb

Embodied Water

1170 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

46 MJ/m3

Resilience: Unit (Modulus of Resilience)

180 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

33 points

Strength to Weight: Bending

38 points

Thermal Diffusivity

48 mm2/s

Thermal Shock Resistance

14 points

Alloy Composition

Aluminum (Al) 92 to 94.8
Magnesium (Mg) 4.7 to 5.5
Manganese (Mn) 0.5 to 1.0
Iron (Fe) 0 to 0.4
Silicon (Si) 0 to 0.25
Chromium (Cr) 0.050 to 0.2
Zinc (Zn) 0 to 0.25
Titanium (Ti) 0 to 0.2
Copper (Cu) 0 to 0.1
Residuals 0 to 0.15

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

ASTM B928: Standard Specification for High Magnesium Aluminum-Alloy Sheet and Plate for Marine Service

ASTM B210: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes

ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties

Aluminum Standards and Data, Aluminum Association Inc., 2013

ISO 6361-2: Wrought aluminium and aluminium alloys - Sheets, strips and plates - Part 2: Mechanical properties

EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993