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Welding & Preservation

Welding & Preservation

Underwater Welding

Underwater Wet Welding


Special 25 CrMo 4 steel - Underwater welding using temper-bead technology in water 36 metres deep - Well depth: 70 metres  read more »

Underwater Pipeline Repair - South Africa


Improved technologies and enhanced qualification and training have made it possible to provide high-quality performance in underwater welding today.  read more »

Howaldswerke Deutsche Werft AG


The sheet piling around berths 7, 9 and 11 had become so rusty and weak in places that urgent repair and rehabilitation work was required.  read more »

Repairing sheet piling with facing plates


Sheet steel piling walls erected in bodies of water are especially prone to corrosion in the splash zone, i.e. in the transition area from air to water, and particularly in salty tidal water. This area usually comprises +1 metre to -2 metres above or below sea level.  read more »