Cold/Hot Finished Structural Hollow Sections 1)Steel Quality: Q235, Q345, S235JRH, S355J2H, 2)Length: As per request 3)Marking: As per request 4)Package: As per request 5)Standard: EN10219, EN10210,ASTM A500 6)Delievery:by bulk shippment or 40'OT containers. 6)we have CE certificates for both cold finished and hot finished pipes,issued by TUV. Max size we produce is 400*400*16mm, 500*300*16mm,pls contact us for more specifications.
Process: ERW (Electric Resistance Welded) HFI (High Frequency Induction) EFW(ELECTRIC FUSION WELDED TUBE) LSAW (Longitudinal Submerge-arc Welded) UO(UOE)、RB(RBE)、JCO(JCOE) DSAW (Double Submerged arc welded) SAW (Spiral Welded) SSAW (Spiral Submerged-arc Welded) Quality Standard: ERW HFI , EFW, LSAW, DSAW: GB/T3091 Welded steel pipe for low pressure liquid delivery GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines IS: 3589 Steel tubes for water and sewage
