Honed seamless tubes

Honed seamless tubes GradeST 52.3 BK+S Metric sizeI.D: 40 to 800mm, Max length 16m. Straightness: 0.5 /1000 Tolerance EXT: DIN 2391 Tolerance INT: ISO H8 Roughness(Ra): 0.2 to 0.4µTypehoning, normalizing treatmentCHEMICAL COMPOSITION (%) SiMnCP (Max.)S(Max)0.50Max<=1.60.22Max0.0250.025 MECHANICAL PROPERTIES Tensile strength MinYield Point MinElongation % Min600N/mm2520N/mm214 Marking: JW, ID, ODLength: unfixed length or fixed length Package: banding with steel strips, braiding parcel at outsideConservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends.Impact test: -20, 27 J (only for special requirement)