Welded I-girders i.e. WI-girders are fabricated and designed according to the project requirements.

I-girder applications:

  • Office buildings
  • Retail premises and shopping centers
  • Recreational buildings and sports arenas
  • Industrial buildings
  • Residential multi-storey buildings
  • Bridges
  • Crane runways
  • Frame beams
  • Machines and equipment

The information on our web site is accurate to the best of our knowledge and understanding. Although every effort has been made to ensure accuracy, the company cannot accept any responsibility for any direct or indirect damages resulting from possible errors or incorrect application of the information of this publication. We reserve the right to make changes.

Copyright © 2016 Ruukki Construction. All Rights Reserved.

    symmetric-I-girder asymmetric-I-girder

    Symmetric Asymmetric
    WIh - tw - tf × b WIh - tw - tf1 × b1 - tf2 × b2
    WI600 - 6 - 15 × 200 800 - 12 - 30 × 450 - 25 × 300


    Materials S355, S420
    Minimum height 300 mm
    Maximum height 4200 mm
    Width of flanges max. 1280 mm
    Maximum lenght 35000 mm
    Other material and significantly larger and longer profiles are also available

    Order & delivery

    Delivery conditions

    Ruukki designs and delivers box profiles based on customer's specifications for the project.