Hot-finished seamless black steel tube 159x20 is a heavy-duty industrial pipe engineered for high-pressure fluid transportation and structural reinforcement. Manufactured from high-quality structural steel P235TR1 (equivalent to Steel 20), this pipe is produced by hot deformation of solid cylindrical billets, ensuring a completely weldless and monolithic structure. With an outer diameter of 159 mm and a reinforced 20.0 mm wall, it offers an exceptional safety factor against internal pressure and bending stresses.

The product complies with European standards EN 10216-1 for pressure pipelines and EN 10210-2 for load-bearing structural hollow sections (certified 3.1 + CE). The extra wall thickness makes it an ideal choice for high-pressure steam systems, industrial cooling mains, and key structural nodes in bridge frameworks or architectural columns. The absence of a longitudinal seam eliminates risks associated with weld fatigue and failure during thermal fluctuations. The P235TR1 grade ensures high ductility and reliable weldability, critical for onsite assembly of heavy engineering networks.

The untreated black surface allows for project-specific industrial coatings or anti-corrosive insulation. We offer self-pickup from logistics hubs in Europe, Poland, and Bulgaria. Freight delivery is available for wholesale orders from 1 ton. Our service centers are equipped with professional band-saws for high-precision cutting. Contact our sales department today for technical documentation and a competitive commercial offer.