GSI – Gesellschaft für Schweißtechnik international mbH
SLV – Schweißtechnische Lehr- und Versuchsanstalten
Schweißtechnik - WeiterbildungschweißenSchweißtechnik Indrustrie

Processes and procedures

Joining technology calls upon numerous processes and procedures which are nearly completely represented by competence and equipment in the various companies and are used in the most diverse ways with partners and customers. With regard to targeted inquiries about individual processes, please orient yourself to the core competence of the individual branches and get in touch.


Pressure welding

  • Resistance welding
  • Stud welding
  • Flash butt welding
  • Magnetic pulse welding
  • Ultrasonic welding


Arc welding

  • Gas-shielded metal arc welding
  • Plasma arc welding
  • Submerged arc welding


Friction welding

  • Linear friction welding
  • Spin friction welding
  • Friction stir welding



  • Flame brazing
  • Induction brazing
  • Furnace brazing


Beam processing

  • Laser beam welding and cutting
  • Electron beam processing


Thermal cutting

  • Oxyacetylene cutting
  • Plasma cutting
  • Laser beam cutting


Surface treatment

  • Wear protection using welding technology
  • Thermal spraying


Adhesive bonding

  • Adhesive bonding of plastics
  • Adhesive bonding of glass
  • Adhesive bonding of metals


Mechanical joining processes

  • Riveting
  • Clinching