Extension Springs

Extension Springs

Extension Springs:

Extension springs are available in a variety of materials, the most common being carbon steel or stainless steel, depending on the environment into which the spring is entering. End coils can be single or double German loop, single or double English loop, side loop, extended hook loop or even no loops according to application. More technical ends are available i.e. swivel hook, reduced/enlarged diameter loop or screw end on request. Wire size from 0.25 mm (0.010") up to 19 mm (0.750"). We have facilities for both hand-made and automated spring manufacture.

Here at Davies Springs we do not just talk about springs but we actually have the machinery and expertise to manufacture and therefore we can create a wide variety of solutions.

Typical end customers: -

  • Engineering companies
  • Classic vehicle/ motorbike restoration
  • Defence industry
  • Drink dispensers/ vending machines
  • Pleasure boat industry

Materials For Making Springs Wire Forms & Pins

Here at Davies Springs we are constantly meeting the challenge of working with new materials as well as the standard optons, this is a complex subject and the simple answer is please talk to us and we can advise on the various solutions: -

  • Stainless steel (302, 316, 17/7 or 18/8)
  • Carbon Steel / Music Wire
  • Piano Wire

Exotic Spring Making Materials

Exotic materials are another possibility because of their unique chemistry, again the best answer is please contact Davies Springs to discuss your needs - even some of our long standing customers are unaware of the options which are available: -

  • Inconel 600, 601, 625, 718, X750
  • Nimonic 90
  • Monel 400
  • Oil Tempered Wires
  • Phosphor Bronze
  • Hastelloy B-2, B-3, C-4, C-22, C-276, C-2000, G-30, 'X'
  • Duratherm 600
  • Phynox aka Eligloy
  • MP35N

Oil Tempered Wire - BS2803 Pre-hardened Carbon

  • Chrome vanadium BS2803 CrVd pre hardened alloy
  • Silicon chrome - BS 2803 SiCr Pre hardened alloy

If you cannot see what you are looking for, it maybe no more than we have not included it on the above list, please do call on 01527 500 710.