tender for set of air brake pipes with flanges & sockets (welded assy.) for bcn wagons consisting offollowing items as per rdso drawing & other technical requirements confirming to rdso specification. no.04 abr-2002 of april 2003, read with all amendment, latest amendment no.8 of september 2016, materialspecification of pipes as under, pipe 32nb-seamless to is: 1239 (part-i) heavy grade or astm a-106 gr.a.pipes 20 nb -stainless steel to astm-a312 schedule 40 s gr. tp 304 (erw) flanges and socket, stainlesssteel to is: 6911- 1992 x 04 gr. 19 ni9304 si for branch pipe 20nb and is:2062 2011,amend. 1 of nov.2012,gr.e250 a for feed pipe 32nb (as per annexure-a) .
