Salzgitter Mannesmann Line Pipe – your worldwide partner for HFI (high frequency induction) longitudinally welded steel pipe at the forefront of technology. This includes oil and gas line pipe, pipe for drinking water and sewage systems, tubes for machinery and plant construction as well as oilfield tubes, pipe for long-distance heating systems and structural tubes. Our manufacturing programme is rounded off by a wide range of fittings, pipe accessories and project related services.