We provide Tender Bidding Support for Supply of Air Brake Pipes With Socket And Flanges Welded Assy For Bcn Wagon Consisting Of Following Items As Per Rdso Drawing & Other Technical Requirement Confirming To Rdso Drg. No. Wd-84014-S/8 Alt. 6, Item- 1, 3, 5, 7 To 10, 13 To 20. Rdso Spec. No. 04-Abr-2002 Read With All Amendment, Latest Amendment No. 8 Of Sept16. Material Specification Of Pipes As Under:- 1 Pipes 32 Nb Seamless To Is:1239 Part-I Heavy Grade Or Astm A-106 Gr.A., 2 Pipes 20 Nb Stainless Steel To Astm-A 312 Schedule 40 S Gr. Tp 304 Erw, 3 Flanges & Socket: I Stainless Steel To Is:6911-1992X 04 Gr. 19 Ni 9 304 Si For Branch Pipe 20 Nb., Ii Is:2062- 2011 Amndt. -1 Of Nov2012 Gr. E250 A For Brake Pipe., Socket & Flanges To Rdso Drg. No. Wd--83062-S-06 Alt.- 03 & Wd-83062-S-07 Alt-05.