Mannesmann Line Pipe

Maximum quality and safety – Mannesmann Line Pipe is a leading specialist for longitudinally HFI-welded steel tube and pipe in a wide range of dimensions and grades. Our production sites in Siegen and in Hamm supply their products to customers around the globe.

Our steel tube and pipe

  • provide access to clean drinking water for countless households in various continents;
  • are the lifelines of modern society as line pipe for energy carriers;
  • serve as sleek and stylish load-bearing elements in bridges, buildings, halls, stadiums and offshore rigs, etc.;
  • are facilitating the energy supply systems of tomorrow as district heat pipes or structural tubes for wind towers.

Our tubes and pipes are also used in numerous critical infrastructure applications around the globe. Over 100 years of experience in tube and pipe production as well as continuous further development of our production and product technologies give our customers the certainty that our steel tube and pipe meets and will continue to meet the most stringent requirements and specifications regarding quality and safety.

Flexible, active and on site around the globe

Our optimized production schedules, carefully planned inventories and a worldwide sales network enable us to react flexibly to customers' needs and wishes. Our experienced team of experts is happy to provide comprehensive technical advice from the planning stage to the construction site, where personal contact with our customers is highly appreciated.

As specialists for this product, we are opening up new application possibilities and developing custom-tailored technologies time and time again. Steel tube and pipe will thus remain a driver of technical progress in the future as well.

Further information about the company