S355jr hollow pipe,S355J0 square hollow tube,S355J0H RHS
High tensile steel materials S355jr hollow pipe,S355J0 square hollow tube,S355J0H RHS can be supplying with classification society approcal with 3.2 material test certifiate.
Hot finished carbon structural steel material S355jr hollow pipe can be rolling with circular hollow section,rectangular hollow section or square hollow section according to European standard specification EN 10210-1 and EN 10210-2.Cold forming carbon stucture S355jr hollow pipe,S355J0 square hollow tube,S355J0H RHS shall be supplying comply to specification EN 10219-1 and EN 10219-2.
S355J0 square hollow tube,S355J0H RHS suits to building frames in low temperature environment,the capital letter S is structural steel with non-alloy,J0 means charpy V-notch impact test at 0 Degree centigrade.In chinese specification,steel grade Q355C hollow section,Q355D hollow section are both low temperature steel materials which equivalent to S355J0 hollow tubes and S355J2H hollow sections.