We have a team of welders specializing in manufacturing of heavy steel structures with a mandate of Classification Societies.

For disposal there is also a team of experienced fitters carrying out montages of advanced machinery construction and other structures that require this type of work.

Welding Certificates:

  • PN-EN ISO 3834-2. Quality requirements for welding of of metal materials
  • EN 1090

MAKRUM is licensed under supervision of DNV GL; LR; ABS; TUV; UDT in the field of welding methods: 135; 136; 138; 141; 121 materials with a thickness from 4 mm to 150 mm.

We have about 50 approved welding procedures according to the following standards:
  • EN-ISO 15614-1
  • DNV-OS-C401
  • DNV Rules for Ships
  • Norsok M101