Sub-contract services

Sub-contract services

Technical Support contact:

T:+44 (0) 121 500 3043

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In addition to the manufacture of drawn tube, Liberty Drawn Tubes offers a large selection of sub-contract services applicable to both tubes and solid steel bar. We have a range of specialised equipment which allows us to tailor our products to the customer's finishing requirements. Mechanical properties, tolerances and surface finishes can be specified by our clients, or we can advise you based on your application. We are also able to offer the following processes on a sub-contract basis:

  • Drawing
  • Heat Treatment
  • Bulging
  • Swaging
  • Cutting
  • Deburring
  • Vibro Cleaning
  • Threading
  • End Finishing
  • De-rusting
  • Chamfering
  • Washing

Our Rattunde ACS90 saw and machining centre enables us to cut and machine in-line a variety of both tubuar and solid materials. Our range of abilities are as follows:

  • Sizes 10 - 120mm external diameter, up to 0.8mm wall thickness in solid material;
  • Cutting length of up to 2,000mm;
  • 100% in-line length checking;
  • Machine accuracy 0.02mm longitudinal tolerance : 0.05mm at CMK 1.67;
  • Standard deviation 0.01mm

Our additional cutting machines can produce lengths from 4mm up to 3,000mm, with cut length tolerance from +/- 0.20mm, with plain, chamfer or deburred ends. Threading and end forming are also available, and we can perform washing of length up to 2,000mm.