Seamless Pipe In Length Of 5 To 7 Mtrs, Nominal Bore 20 Mm, Material And Specification Is: 1 239 (Pt. I): 2004(Rev.6), Amend. No. 4 Of June 2010, Hfs, Grade : Heavy , Outside Diameter (Minimum 26.5 Mm), Wall Thicknesss-3.20 Mm. [ Warranty Period: 30 Months After The Date Of Delivery ] ]