Fabrication of columns


MBNS fabricates process columns and towers for a variety of industries including chemical, petrochemical and oil refining. High-efficiency columns and towers are critical to the success of many of our customers for chemical separation, distillation and other process that will meet with customer specifications

MBNS has a fully equipped specialty fabrication shop and a team that possess the knowledge, skills and experience to deliver superior projects to our customers.

MBNS shop workers/welders have expertise and procedures for fabrication with diverse materials.

We offer fabrication to the latest design codes, as well as expertise in NDT and other quality assurance methods.It is these tools that allow MBNS to produce units safely, on schedule and with the highest quality craftsmanship

Our workshop facility allows us to fabricate process columns up to 100 tons, OD 5,5m and maximum length aprx. 35m.


The company does use advanced technologies in welding, hot and cold forming, heat treatment and testing of relevant materials as generally used for above mentioned equipment:

  • High Alloy steels alloyed high percentage with of Nickel (2-20%) and Chromium (0,5-18%) specifically elements to develop corrosion resistance or extreme temperature stability
  • (low) Alloy steels alloyed frequently Chromium-Molybdenum used grades P2, P12, P11, P22, P22L, P21, P21L, P5, P9 and P91
  • Stainless steels (chromium, chromium-nickel, and chromium-manganese-nickel stainless steel) alloyed with Titanium, Molybdenum, Nobium, according ASTM grades of group SA 240/240M, according SAE designation series 300 (austenitic chromium-nickel stainless steel), 400 (ferritic and martensitic chromium stainless steel)
  • Nickel alloys (INCOLOY® Alloy 800 H / HT. 1.4876 / 1.4958 / 1.4959. UNS N08810 / UNS N08811)
  • Carbon steels

MBNS – International, spol. s r.o.
Křižíkova 2984/68f
612 00 Brno, Czech Republic

tel.: +420 533 339 200
fax: +420 533 339 210