supply of ibr seamless tubes size 44.5mm od, 4.06mm thickness, material of tubes sa-213-t22 (for secondary super heater) make ismt/msl , dismantling and erection 6 ibr steam pipeline , dismantling and erection 6 long bend , dismantling and erection 6 short bend , dismantling & erection of air heater tubes of fd (including welding of top & bottom tube plate holes) material specificationbs1775/64 tube thickness60.3mm thickness 2.9mm tube length3.528 mtrs.no. of tubes 400 , old s.s tube 304 , old s.s screen , old ambassador car , old iron drums 210 ltrs. , old iron cans 20 ltrs. , old plastic cans 50 ltrs. , old plastic cans 35 ltrs. , old refrigerator 165 ltrs. , old refrigerator 310 ltrs. , old water cooler , old monitor , old ups , old cpu , old ac 1.5 ton , old plastic drums 210 ltrs. , pvc water tank 500 ltrs. , old car tyre , old back side tractor tyre , old battery , old iron air cooler , old plastic air cooler , old typerwriter machine , old black polythene sheet , old tv tcl 29 , old brown p.p & jute sugar bags , old sanitary material , old geyser