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Wave Springs

Wave Springs

Our wave springs can be used in almost any application. Savings of up to 60% during installation & smaller assemblies.

Retaining Rings

Retaining Rings

Multiple types of Retaining Rings are available & are widely applied to Pressure Gauge, Gear Assembly, Connector,....etc.


Wave Springs | Spring Manufacturer - Tech Spring / TSI / TSMC

Tech Spring Manufacturing Corp. is one of the prime precision springs | spring manufacturers based in Taiwan since 1987.

ISO accredited and manufacturing all types of springs, stamping molding and assembly of metal parts to Europe, USA, UK & Australia. We are specialized in the manufacturing, designing and analyzing all kinds of spring, such as wave springs (including of compression wave spring, wave single turn and nested spring), linear expander, retaining rings (including of internal, external, single turn and more turns), constant force spring, power springs (including of general and prestressed types), etc

Tech Spring / TSI / TSMC has been offering customers high-quality precision-made springs, both with advanced technology and 31 years of experience, Tech Spring / TSI / TSMC ensures to meet each customer's demands.

Stainless Steel DTD 189A (For Springs)

Iron Base Wire for wire springs, flat springs and wire products

This grade of stainless steel is widely used in the aerospace industry. It can be used for any TSMC spring product such as wave springs, retaining rings and compression springs.

Key Features

  • Corrosion resistant.

Typical Applications

Aircraft Locking wire
General Locking wire

Approx. Operating Temperature

-200 to 300°C
-330 to 570°F

Chemical Composition

Element Ni Cr Fe Mn C Si S P Ti or Nb/Cb
Min % 7.00 17.00 bal 0.20 4xC
Max % 10.00 20.00 bal 2.00 0.15 0.045 0.045

Wire Type

  • Round
  • Flat Wire
  • Rope/Strand


  • DTD 189A


  • AWS 164