... 10*20~600*800 Thickness: 0.8-15.0mm MOQ:20MT RHS(rectangular hollow section)Standard: BS,GB,ASTM(BS 1387, ... T 3091Material: Q195-Q345,16Mnspecification: 10*20~600*800Thickness: 0.8-6.0mmSurface treatment: painted,oiled, or galvanizedMinium order: 20MT ... galvanized rectangular tubes: Product NameRHS(rectangular hollow section)SizeSize10*20~600*800mmWall Thickness0.8~15.0mmLength6m or 12m or as per ...