En10210 S355j0h Seamless Hollow Section Rectangle Steel Tube

EN10210-1 S275NH S355NH hot rolled seamless heavy wall hollow section steel tube , hollow bars   DIN EN 10210-1 Hot finished Heavy Wall Steel Tubing of non-alloy and fine grain steels DIN EN 10210-1 Hollow section S355NH S235JRH Hot finished structural hollow sections of non-alloy and fine grain steels Part 1: Technical delivery conditions Part 2: Tolerances, dimensions and sectional properties Cold forming: Process is done at ambient temperature Structrual hollow section manufacturing process: Structural hollow sections are manufactured by seamless or by welding. Welded sections manufactured by contiuous process. Electric welded hollow sections are supplied without trimming the internal weld bead. Delivery conditon: Qualities JR, J0, J2 and K2 - Hot finished Qualities N and NL - normalized. (normalized rolled) - for accelerated cooling +DC - for quenching and tempering +QT Surface conditon: The hollow sections have a smooth surface corresponding…