Line pipes, steel line pipes, special profiles, boiler tubes, coil tubing, profile tubing, precision steel tubing, remote heating pipes, steel tubing, round tubing, OCTG tubing
As one of Germany’s leading manufacturers and suppliers of line pipes, steel line pipes, special profiles, boiler tubes, coil tubing, profile tubing, precision steel tubing, remote heating pipes, steel tubing, round tubing and OCTG tubing, Flender meets the highest quality standards, being certified to DIN EN ISO 9001:2008 as well as API and GOST standards. Flender is also an approved manufacturer under the Pressure Equipment Directive 97/23/EC and AD2000.
Flender manufactures steel pipes for district heating, pipelines for gas and oil, petrochemical plants and power station technology, round tubes, profiled and precision tubes for various applications including conveyor engineering, furniture manufacturing, shop fitting, building construction, steel construction, sprinkler systems and tunnel construction, for plant, machinery and apparatus engineering and for the automotive sector, all made from the highest-quality source materials, guaranteeing you an optimum solution at all times.
Flender has worked with district heating system manufacturers in Europe for over 25 years, supplying medium steel piping. The district heating piping consists of an inner steel pipe carrying the medium, heat insulation made from rigid polyurethane foam and an outer jacket pipe made of polyethylene.
Depending on the application and the specific requirements, Flender manufactures steel tubing, steel pipelines, profile tubing and precision steel tubing in steel grades H 40, J 55, K 55, N 80 Type 1, N80Q, M65, L80 Type1, C95 and P110 (please list all other relevant steel qualities)
Flender also produces boiler tubes and OCTG tubing in accordance with all necessary quality and safety standards. All stages of production are closely monitored and the pipes undergo all necessary tests.
Flender profile tubes for furniture manufacturing, shop fitting and automotive applications exhibit the highest standards of precision in relation to their internal dimensions, external dimensions and wall thicknesses. The accuracy of the tubes provides an ideal basis for a wide range of finishing and surface treatment operations. Selective reduction of wall thicknesses whilst maintaining consistent wall strength guarantees optimum robustness and stability of the end- products.
Whether you require line pipes, steel line pipes, special profiles, boiler tubes, coil tubing, profile tubing, precision steel tubing, remote heating pipes, steel tubing, round tubing or OCTG tubing, every Flender pipe guarantees proven quality and offers the highest levels of safety and process integration.
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Flender was established as a family-run company in Germany in 1910. The Flender plant in Siegen is situated in the heart of Europe in one of Germany’s most traditional steel-working regions. As a flexible and efficient medium-sized company, Flender provides its customers with innovative solutions in premium quality.
Our current range of services includes the manufacture of HFI longitudinally welded steel pipes of various types, which we produce on five state-of-the-art pipe-welding lines. Round pipes and precision tubes made from proven qualities of carbon steel as well as standard and special profiled tubes manufactured from carbon steel and ferritic stainless steel grades are both integral parts of our production range.
Flender-Flex-Tubing® – tubes from the roll, also known as coiled tubing, is one of the company’s specialities. Depending on the tube diameter, between 2,000 and 4,100 metres of steel tubing can be continuously coiled on a roll without needing a single weld and tested under water pressure for tightness in one fell swoop. Flender also provides a three-layer-system (FR-3L) as corrosion protection for steel line pipes with a plastic coating of polyethylene (PE) or polypropylene (PP).
If required, pipelines for oil or gas can also be delivered with a flow-coat or epoxy resin inner lining. On request we can also supply water line pipes with an inner lining of Portland or blast furnace cement mortar against inside corrosion, or with an outer coating of fibre cement for mechanical protection.
Our range of services is rounded off by a wide variety of steel pipe processing capabilities. Simply contact us for more information.
| Single tube length: | 157,48 – 944,88 inches |
| Diameter: | 0,79 – 8,63 inches |
| Wall thickness: | 0,06 – 0,39 inches |
| Steel grade: | C-Steel≤ X80 |
| Stainless steel: | ferritic quality |
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