Check your eligibility criteria for tender Supply of Galvanized Steel Pipes & Tubes Isi Marked In Random Length Of 4 To 7 Meters, Screw Ed At Both Ends, Socketed At One End And Other End Screwed Protected With Plastic Protector, Nominal Bore Dia. 4 0 Mm, Medium Class. Sockets Shall Also Be Isi Mark. Material And Specification : Is:1239 Pt. 1: 2004 Rev. 6, Amend. No. 6 Of June 2021 For Tube; Is: 1239 Pt. 2: 2011 Rev. 5, Amend. No. 3 Of March 2016 For Socket; An D Is: 554:1999 Rev. 4, Amend. No. 1 Of Oct. 2009 For Screw. Warranty Period: 30 Months After The Date Of D Elivery