Mannesmann Line Pipe GmbH
About
Mannesmann Line Pipe GmbH, part of the Salzgitter Group and based in Siegen, Germany (with a second manufacturing facility in Hamm), is a manufacturer of HFI (high-frequency induction) longitudinally welded steel pipes. The company's product catalog spans line pipes for oil and gas transport (onshore and offshore), drinking water distribution, wastewater conveyance, district heating networks, and mechanical and structural engineering applications. Water-industry products feature cement mortar linings and MAPEC protective coatings. Their structural hollow section line, marketed as Mannesmann MSH, includes round and rectangular profiles for construction and offshore use. The company has introduced forward-looking product brands: Mannesmann H2ready for hydrogen transport and storage, CO2ready for carbon dioxide pipelines, and NH3ready for ammonia as an energy carrier, all built on HFI-welded pipe technology. Additionally, Mannesmann Premium Line Pipe offers six stocked dimensions with no minimum order quantity, and Kabelschutzrohre cable protection pipes serve underground electrical infrastructure. The company maintains certifications in quality, environmental, energy, and occupational health management, and publishes the LINE PIPE GLOBAL customer magazine.
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