Air Brake Pipe With Flanges & Socket (Welded Assy.) For Bcn Wagon Consisting Of Following It Ems As Per Rdso Drawings & Other Technical Requirements Confirming To Rdso Drawings No Wd-84014-S/ 8 Alt.- 06 & Rdso Specification No.04- Abr-2002 Of April-2003 Read With All Amendment, Latest Amendment No.8 Of Sept-2016 Item No 1,3,5,7 To 10 & 13 To 20 Material Specification Of Pipe 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 31 2 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 Amend- I Of Nov 2012 Gr. E250 A For Brake Pipe Socket & Fl Anges To Rdso Drg. No. Wd 83062-S-06 Alt-3 & Rdso Drg. No. Wd-83062-S-07, Uvam Item Ref. : 3100389-- Component Of Graduated Release Compressed Air Brake Equipments For Freight & Coaching Stock , Sub Ite M : 3100389007--Sub Item:Pipes & Joints For Air Brakes [ Warranty Period: 30 Months After The Date Of De Livery ] ]