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Barrel Compression Springs


Barrel 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. Ends can be left open or closed. Ends can be ground depending upon application. Wire size from 0.25 mm (0.010″) up to 12.70 mm (0.500″). We have facilities for both hand-made and automated spring manufacture.

Barrel Springs take their name from the fact that the compression springs have a larger diameter in the middle and a smaller diameter at each end. Also referred to as convex springs, the barrel shape of the spring makes it less likely to bend while under load. This allows these compression springs to be manufactured longer than constant coil springs with less concern for warping. An ideal solution where the spring cannot be supported. We can close then end coils of the barrel shaped compression spring in order to ensure the spring remains centered when supported over a rod.:-

barrel compression spring

Why use Davies Springs?

Davies Springs supply a wide range of customers from stockists to end manufacturers. From basic springs to more complex designs we are equipped to meet your needs.

Please call 01527 500 710.

Out of hours please use our contact form and we will call you back.

    What is 3 + 2

    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 options, 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.

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