Tender For corrigendum : tender for supply of procurement of new sru incinerator boiler tubes for srb unit at nrl - procurement of new sru incinerator boiler tubes for srb unit at nrl - seamless cs (ibr) boiler tube size 38.1 , 180 deg bend r 58 38.1 od x 3.66 thk sa , 90 deg bend r 58 38.1 od x 3.66 thk sa 2 , evaporator coil module as per drwg , seamless cs (ibr) boiler tube , 50.8 odx4 , economiser coil 38.1 od x 3.66 thk sa 2 , bend wall tube cs (ibr) part no 701g , bend wall tube cs (ibr) part no 702g , bend wall tube cs (ibr) part no 703g , bend wall tube cs (ibr) part no 704g , bend wall tube cs (ibr) part no 705g , bend wall tube cs (ibr) part no 706g