RHS(rectangular hollow section) Material: Q195-Q345,16Mn Size: 10*20~600*800 Thickness: 0.8-15.0mm MOQ:20MT RHS(rectangular hollow section)Standard: BS,GB,ASTM(BS 1387,GB/T 3091-2001,GB/T 3091Material: Q195-Q345,16Mnspecification: 10*20~600*800Thickness: 0.8-6.0mmSurface treatment: painted,oiled, or galvanizedMinium order: 20MT Welded galvanized rectangular tubes: Product NameRHS(rectangular ...