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Tested Spring Company Limited is a spring manufacturer with a diverse range for all types of end uses, normally in round wire sizes from .008" to 1¼" as well as various wire sections within the same size range. We also manufacture a broad range of spring products that encompasses flat springs, clock springs, wire forms, pressings and leaf springs.

Established in 1947, we make a variety of springs for a wide range of applications from pharmaceutical machinery, horsebox doors and wheelchair brakes to clocks, clips for notice boards, steam train buffers, cars and heavy industry.

For a comprehensive list of our spring types, applications, materials, finishes etc. please click on the appropriate link, where you will also be able to see examples of our work.

We make springs from a variety of materials, material sections and wire sizes and in many Spring Sizes and finishes.

All our springs are carefully made to order so if you would like to find out what we have made springs for, browse our customer list.

If you need more information, please contact us.

Materials

Carbon spring steel
SiCR
CrVn
SiMn
CS70
CS80

Stainless Steel
301
302
304
316
18/8
17/7

Nimonic
Inconel X750/600
Monel K500/400
NiSpan C

Phosphor Bronze PB103/102 Beryllium Copper Nickel Silver
Brass Mild Steel  

This is just a selection of common materials, we have others available so please specify when you contact us.

Material Sections

  • Round
  • Square
  • Rectangular
  • Key Way (trapezoidal)
  • Others available on request

Wire Sizes

  • Round 0.008" to 1.125"
  • Square 0.032" to 1.00"
  • Rectangular (many) from 0.024" x 0.032" to 1.00" x 2.00"
  • Key Way (specify)

Spring Sizes

  • Lengths to 30 feet
  • Diameters to 24 inches

Finishes

  • Plain
  • Shot peened and oiled
  • Powder coated (various colours)
  • Xylan coated (various colours)
  • Galvanised
  • Zinc plated
  • Chrome plated
  • Phosphated