Tenders for Supply of Steel Tube 50 Nb X 6 Meter Length Heavy, Erw, Galvanised, Isi Marked, Screw Ed At Both Ends, Socketed At One End And Other End Protected With Plastic Protect Or. Spec. Is-1239 Part-1-2004Reaffirmed 2019 With Amendment No. 1, 2, 3, 4, 5 & 6, Table-3 F Or Pipe And Is-554 For Thread. Warranty Period: 30 Months After The Date Of Delivery