Stainless Steel Expansion Joints

HKS is a manufacturer of stainless steel expansion joints. Stainless steel expansion joints are single or multi-shaft metal expansion joints made of a stainless steel material (1.4541, 1.4571 or 1.4404). Stainless steel expansion joints can be designed as corrugated tube expansion joints (with high expansion absorption and small spring rate) or as lens expansion joints (with low expansion and very robust construction). Expansion joints made of stainless steel are used, for example, in mechanical engineering, plant engineering, apparatus engineering and shipbuilding. Furthermore, stainless steel expansion joints are used in pipelines, energy and offshore technology, or in the food, pharmaceutical or petrochemical industries.

Stainless steel expansion joint parameters

Bellows materials

  • stainless steel (1.4541, 1.4571 or 1.4404)

Connection parts

  • without additional connection parts
  • weld ends
  • fixed/Swivel flanges


  • fluids
  • gases
  • abrasive media and solids (lens expansion joints)

Nominal widths

  • DN15 to DN3000 (corrugated tube expansion joints)
  • DN50 to DN9000 (lens expansion joints)

Operating temperature

  • up to 1000°C

Pressure levels

  • PN1 to PN100

Construction shapes

  • circular
  • oval (lens expansion joints)
  • special shapes (lens expansion joints)

Inner protection tube

  • variations with or without guide tube

Movement absorption

  • axial
  • lateral
  • angular
  • combinations thereof