tender for set of air brake pipes with flanges & sockets ( welded assembly) for boxn wagons consisting offollowing items as per rdso drawing & other technical requirements confirming to rdso specificationno.04-abr-2002 of april 2003, read with all amendment, latest amendment no.8 of september 2016,materialspecification of pipes as under, (as per rdso letter no mw/apb dt.02.08.2019 (material speification as perannex-a) pipes 32 nb- seamless to is: 1239 (part-i) heavy grade or astm a-106 gr.a pipes 20 nb- stainlesssteel to astm-a 312 schedule 40 s gr.tp 304 (erw) flanges & socket stainless steel to is: 6911-1992 x 04gr.19 ni 9 304 si for 20 nb branch pipe and is: 2062-2011, amendment 1 of nov.2012, gr.e250 a for 32 nbfeed pipe.(as per annexure b) .
