Pipe 20 Bore For Boxnhl (Bmbs) As Per Rdso'S Drg. No. Wd-09034-S-12, Alt-8 Item No. 9, Fitted With Item No 19 & 20. Specification As Per Rdso Spec No 04- Abr-2019 (Rev 02 Of Dec 2019). Material As Per Rdso Letter No Mw/Apb Dt 22/05/2020- Stainless Steel To Astm-A312 Schedule 40S Gr. Tp 304 (Erw) [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]