supply of galvanised mild steel tubes electrical r [galvanised mild steel tubes electrical resistance welded(erw)/high frequency induction welded (hfiw)/hot finished welded(hfw) conforming to is.1239(part-1)/1990 (fifth rev) with amdt no 1 to 5 screwed at both ends as per is.554/1985 socketed at one end and other end protected with plastic thread protector.the socket conforming to is.1239(part-ii)/1992 (fourth rev) with amdt no.1 in random length of 4 to 7 mtrs. g.i pipe shall be duly isi marked as per statutory requirement nominal bore dia is 40mm medium grade. is 1239-68 part i.]galvanised mild steel tubes electrical r [galvanised mild steel tubes electrical resistance welded(erw)/high frequency induction welded (hfiw)/hot finished welded(hfw) conforming to is.1239(part-1)/1990 (fifth rev) with amdt no 1 to 5 screwed at both ends as per is.554/1985 socketed at one end and other end protected with plastic thread protector.the socket conforming to is.1239(part-ii)/1992 (fourth rev) with amdt no.1 in random length of 4 to 7 mtrs. g.i pipe shall be duly isi marked as per statutory requirement nominal bore dia is 40mm medium grade. is 1239-68 part i.],galvanised mild steel tubes electrical resistance welded(erw)/high freque ncy induction welded (hfiw)/hot finished welded(hfw) conforming to is.1239(part-1)/1990 (fifth rev) with amdt no 1 to 5 screwed at both ends as per is.554/1985 socketed at one e nd and other end protected with plastic thread protector.the socket conforming to is. 1239(part-ii)/1992 (fourth rev) with amdt no.1 in random length of 4 to 7 mtrs. g.i pipe sh all be duly isi marked as per statutory requirement nominal bore dia is 40mm medium gr ade. is 1239-68 part i. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]