Details: steel tube galvanised isi mark in random length of 4 to 7 mts. at both ends socketed at one end and other end protected with plastic protector, nominal bore 20 mm medium class, socketshall also be isi marked." specn: material spec : is-1239 (pt-i) : 2004 for tube, is:1239 (pt.2): 2011 for socket and is:554:1999 for pipe thread
Sector: Railways