MESSER Industriemontagen und Apparatebau GmbH

Welding technique

Our team of specialists…

… guarantees the optimum solution and compliant execution of every welding connection problem. This applies to work in production plants as well as on assembly sites.

We have the following welding approvals:

  • DIN EN ISO 3834-2:2021
    • Comprehensive welding quality requirements
  • AD2000 regulations:2023
    • HP0 approval for the construction of pressure vessels and pipelines
    • Pressure Equipment Directive PED 2014/68/EU
  • EN 1090-2:2013
    • Execution class EXC 3
  • Welding procedure:
    • 111 Manual metal arc welding (MMA)
    • 121 Submerged arc welding (SAW)
    • 135 Gas metal arc welding (GMAW)
    • 136/138 Gas metal arc welding with flux cored electrode (GMAW)
    • 141 Tungsten inert gas welding (GTAW)
  • Base materials:
    • S(P)235 – S(P)355 in accordance with the applicable building regulations list and the Steel Construction Adaptation Guideline
    • CrNi steels in accordance with approval notice Z-30.3-6 DIBT
  • Approval as a specialist company according to water law
  • Approval for restamping materials according to DIN EN 10204:2005
  • Approval for visual inspection (VT) level 2 according to DIN EN ISO 9712:2012
  • Approval for dye penetrant testing (PT) level 2 according to DIN EN ISO 9712:2022

List procedure tests as pdf-file [341 kByte]

Here a view on our submerge welding plant

Our specialists…

…, of those we educated many by ourself, develop together with the customer entirely new approaches if required. We give proof of the high quality of our works via nondestructive as well as  destructive test procedures.

• OUR SPECIALISTS

Welding engineer
Welding expert
Welding masters
Welders certified by the Technical Control Board

• TECHNIQUE tungsten-inert gas-manual/automatic, manual arc, metal-active gas, metal-inert gas, metal-inert gas-plasma, submerged, soldering, autogenous-, spot-, stud-, orbital- welding