Catalogue values for Steel Tubes, Tubulars and Other Steel Fittings as per IS 1239 (Part 2 - Steel Pipe Fittings)

Category Specification Bid Requirement (Allowed Values)
ITEMS Description of Items Barrel Nipples
SPECIFICATION ISI Marked Yes, No
MANUFACTURE Mathod of Socket Manufacturing Hot-Finished Seamless(HFS)
DIMENSION Nominal Bore(mm) 20
Reduced Nominal Bore(mm) 50
Length( in mm) 200
Length of running nipple ( in mm ) 13, 19, 21, 27, 30, 33, 38, 48, 51, 57, 70, 78, NA, 32, 25, 100
Length of close taper ( in mm ) 19, 27, 28, 37, 39, 46, 51, 60, 69, 75, 87, 96, NA
Length of barrel nipple ( in mm ) 32, 38, 51, 54, 60, 70, 79, 89, 102, 114, 124, 127, NA, 100