Plant 15 – Tube plant is the largest tube producer in the Czech Republic.

The key production programme of the Plant consists of seamless tubes, rolled at two Stiefel Mills, producing plain, threaded, flange and oil tubes. The tubes rolled at St 4-10″ and St 140 are produced from continuously casted billets. The seamless oil tubes-casing, pump, drill and pipe-line tubes are the most demanding products.

The Plant has been authorized to mark its oil tubes with the American Petroleum Institute monogram- API since 1957. Apart from the common API threads the Plant also supplies casing and tubing pipes with the Premium Connection (gas-tight thread).

The helically welded pipes are produced from hot-rolled coils at the Spiral Mill. The tubes are both bare as well as PE coated. The three-layer PE coating, including fiber-cement mortar coating (FZM type) are used in gas industry. The Plant carries out the necessary testing as well as inspection devices and up-to-date, non-destructive methods are used for quality testing, guaranteeing the required quality of the tubes supplied.

Plant 15 – Tube plant, as the first one in the Czech Republic, has a successfully certified quality system under ISO 9001 standard in 1992. The environmental management system under ISO 14001 standard was first certified in 1999. Then, in 2008, the Company also acquired Safe Workplace Management certification under OHSAS 18001 standard as well as Energy System Management certification under ISO 50001 in 2016.

• Offer of welded steel pipe
• Certificate – Liberty Tubular Products Ostrava a.s.

Plant 15 – Tube plant has also been certified by famous certification bodies such as Lloyd’s Register EMEA (1988), Bureau Veritas (1992), DNV-GL (1996) and others. The Company´s seamless and spiral-welded pipes for pressure devices were certified under the European directive PED 2014/68/EU by TÜV NORD in 2011.