Pipe 32 N.B. With Sockets & Flanges (Welded Assembly) For Freight Stock To Rdso Drg. No. Wd-80007-S-11 Alt-9, Item No.1, 12 & 13. Socket And Flanges To Rdso Drg. No. Wd-83062-S-07-Alt-5, Items 2 & 3. Other Technical Requirements Confirming To Specification No. 04-Abr-2002 Of April 2003, Read With All Amendments, Latest Amendments No. 8 Of September 2016. Material Specification Of Pipes As Under, Pipes 32 Nb:- Seamless To Is: 1239 (Part-1) Heavy Grade Or Astm A-106 Gr A. Socket & Flange :- Is:2/66221242A/105752676 (EXPIRED)