Welding processes

welding processes

Besides bending Kersten offers qualified welding processes. For example, Kersten assembles cylinders and cones and weld them in accordance to your specifications. Kersten  employs a team of qualified welders with modern welding equipment.

Kersten performs various welding operations to an exacting standard on ferrous and non ferrous alloys, varying from a simple longitudinal seam to a complete welded construction, including bases and appendages. If desired, the welded work can be DT or NDT inspected by a certified organization.

Certified welding processes

Kersten  Netherlands:

  • SAW (121-125) thickness 3mm - 200mm (incl. PWHT)
  • GMAW-FCAW (131-135-136-138) thickness 3mm - 200mm (incl. PWHT)
  • GTAW (141)
  • SAW TWIN (previous process 123)

Kersten  Germany:

  • GMAW-FCAW (135-136)
  • GTAW (141)



Welding method qualifications

Kersten  Netherlands:

  • ISO 15614-1
  • AD Merkblatter
  • DNV Offshore standard OS-C401
  • EEMUA 158
  • Norsok M-101
  • AWS D.1.1
  • DIN 18.800-7 klasse E (Grosser Eignungsnachweis)
  • Welding method qualifications according to ASME and EN 15614-1
  • EN-ISO 3834-2
  • EN 1090 EXC 4
  • Remarking competence certificate according to 3.1 and 3.2 EN10204:2004

Kersten  Germany:

  • CL 1 Zertificat nach DIN EN 15085-2
  • CL 2 Zertificat nach DIN EN 15085-2
  • DIN EN 1090 EXC 2 EG Zertificat
  • EN-ISO 3834-2


  • Welding cylinder
  • welding steel cylinder
  • welding steel construction
  • welding cylinders
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