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Aluminium is a relatively new material having only been commercially available since 1886. Compared to most other materials, aluminium has undergone a rapid development in its short existence as a usable metal. What was initially a decorative material with very limited properties has become a fully fledged engineering material with a vast array of properties making it suitable for an equally large array of applications. This transformation has been achieved through the development of a wide range of alloys, production processes and heat treatments.

Characteristics of Aluminium

  • High specific strength
  • High corrosion fatigue resistance
  • Low specific gravity (2.70g/cm3). Approximately one third of steel
  • Highly economic to recycle
  • Good electrical conductivity; about 60% that of copper but reduced by the presence of alloying elements
  • Non magnetic

Although available in a number of grades, aluminium can be divided into two major categories of wrought alloys:

Work hardening alloys:

(i.e. non heat treatable) Include commercially pure aluminium and the alloys including manganese or magnesium. The degree of work hardening is expressed as a temper H, with a number e.g. H22. These alloys can be fully or partly softened by annealing (at 350°-400°C).

Heat treatable or precipitation hardening alloys:

Include copper, magnesium, zinc and silicon as important constituents. Heat treatment can be used to increase strength especially those alloys with high magnesium content.

A complete range of extrusions suitable for machining, general engineering and architectural applications are available. For the machining market in particular, we carry a complete range of Speedal 2011 medium strength free machining and 6026 anodising quality free machining aluminium rod.


Righton Specialist Markets

The rapid growth of our client base, including FTSE 100 companies from more safety critical markets including, defence, aerospace, marine, oil & gas, energy and nuclear has led to the creation of more distinct divisions within Righton, which offer specialist product and industry knowledge to support the vision and strategic requirements of our customers.