Mannesmann Line Pipe GmbH is a Germany-based manufacturer of longitudinally welded (HFI) steel line pipe for onshore pipeline applications. The company produces carbon steel pipe in multiple diameters, wall thicknesses, and grades, and offers external and internal corrosion protection coatings and related services. It supplies utilities, transmission operators, and industrial customers in Europe and beyond.
Its pipes are used to transport natural gas, hydrogen, CO2, oil and refined products, as well as water and district heating. Mannesmann Line Pipe manufactures to international standards (e.g., EN/API) and supports projects requiring modern pipeline integrity, quality assurance, and lower-emission material options. The company’s portfolio serves energy transition infrastructure—such as hydrogen and CO2 networks—alongside conventional pipeline systems for the chemical and petrochemical value chains.
