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3004 aluminium alloy

3004 aluminium alloy is an alloy in the wrought aluminium-manganese family (3000 or 3xxx series). It is similar to the 3003 alloy, except for the addition of approximately 1% magnesium. It can be cold worked (but not, unlike some other types of aluminium alloys, heat treated) to produce tempers with a higher strength but a lower ductility. Like most other aluminium-manganese alloys, 3003 is a general-purpose alloy with moderate strength, good workability, and good corrosion resistance. It is commonly rolled and extruded, but typically not forged. As a wrought alloy, it is not used in casting.[1]

The alloy 3004 is commonly used in the making of beverage cans. It was developed to satisfy the need for thinner gauges in can-stock, and thereby to some extent replaced its predecessor 3003 alloy in the making of beverage cans. Can-stock can be made thinner due to the addition of 1% magnesium, which contributes in solid solution strengthening.[2]

Alternate designations include 3.0526 and A93004. 3004 aluminium and its various tempers are discussed in the following standards:[3]

  • ASTM B 209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
  • ASTM B 221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
  • ASTM B 547: Standard Specification for Aluminum and Aluminum-Alloy Formed and Arc-Welded Round Tube
  • ISO 6361: Wrought Aluminium and Aluminium Alloy Sheets, Strips and Plates

Chemical Composition

The alloy composition of 3004 aluminium is:[3]

References

  1. ^ Marks' Standard Handbook for Mechanical Engineers, 8th Ed., McGraw Hill, pp. 6-50 to 6-57
  2. ^ Polmear, Ian. Light Alloys: From Traditional Alloys to Nanocrystals. Elsevier. pp. 129–130 and 185. ISBN 978-0-7506-6371-7. 
  3. ^ a b 3004 (3.0526, A93004) Aluminum. Retrieved on 2014-12-03.