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6110 (6110-T9, A96110) Aluminum

6110 aluminum is a 6000-series aluminum alloy: there is significant alloying with both magnesium and silicon, and the alloy is formulated for primary forming into wrought products. Cited properties are appropriate for the T9 temper. To achieve this temper, the metal is solution heat-treated, artificially aged, then strain hardened. 6110 is the Aluminum Association (AA) designation for this material. In European standards, it will be given as EN AW-6110. A96110 is the UNS number.

It originally received its standard designation in 1979.

It has the highest tensile strength among the 6000-series alloys in the database.

The graph bars on the material properties cards below compare 6110 aluminum to: 6000-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

Elastic (Young's, Tensile) Modulus

70 GPa 10 x 106 psi

Elongation at Break

2.2 %

Fatigue Strength

120 MPa 17 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.8 x 106 psi

Shear Strength

290 MPa 42 x 103 psi

Tensile Strength: Ultimate (UTS)

500 MPa 73 x 103 psi

Tensile Strength: Yield (Proof)

500 MPa 72 x 103 psi

Thermal Properties

Latent Heat of Fusion

410 J/g

Maximum Temperature: Mechanical

170 °C 330 °F

Melting Completion (Liquidus)

640 °C 1190 °F

Melting Onset (Solidus)

600 °C 1110 °F

Specific Heat Capacity

900 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

170 W/m-K 96 BTU/h-ft-°F

Thermal Expansion

23 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

42 % IACS

Electrical Conductivity: Equal Weight (Specific)

140 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

2.8 g/cm3 170 lb/ft3

Embodied Carbon

8.2 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)

11 MJ/m3

Resilience: Unit (Modulus of Resilience)

1770 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

51 points

Strength to Weight: Bending

51 points

Thermal Diffusivity

67 mm2/s

Thermal Shock Resistance

22 points

Alloy Composition

Among wrought aluminum alloys, the composition of 6110 aluminum is notable for containing a comparatively high amount of silicon (Si). Silicon is used to increase strength at the expense of ductility. It also lowers the melting temperature and raises the fluidity of the alloy.

Aluminum (Al)Al 94.4 to 98.4
Silicon (Si)Si 0.7 to 1.5
Magnesium (Mg)Mg 0.5 to 1.1
Manganese (Mn)Mn 0.2 to 0.7
Copper (Cu)Cu 0.2 to 0.7
Iron (Fe)Fe 0 to 0.8
Zinc (Zn)Zn 0 to 0.3
Chromium (Cr)Cr 0.040 to 0.25
Titanium (Ti)Ti 0 to 0.15
Residualsres. 0 to 0.15

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

Followup Questions

Similar Alloys

Further Reading

ASTM B211: Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire

Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984

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