supply of galvanized m.s.tubes- nominal bore 40mm, medium class, erw/hfiw/hfw -quality and random length 4 to 7 mtrs. conforming to is: 1239 ( part 1 ) - 2004. screwed at both the ends as per is: 554 / 1999, socketed at one end & other end protected with plastic thread protector. socket conforming to is: 1239 (part 2) - 2011. g.i pipe shall be duly isi marked as per statutory requirementgalvanized m.s.tubes- nominal bore 40mm, medium class, erw/hfiw/hfw -quality and random length 4 to 7 mtrs. conforming to is: 1239 ( part 1 ) - 2004. screwed at both the ends as per is: 554 / 1999, socketed at one end & other end protected with plastic thread protector. socket conforming to is: 1239 (part 2) - 2011. g.i pipe shall be duly isi marked as per statutory requirement,galvanized m.s.tubes- nominal bore 40mm, medium class, erw/hfiw/hfw -quality and random length 4 to 7 mtrs. conforming to is: 1239 ( part 1 ) - 2004. screwed at both the ends as per i s: 554 / 1999, socketed at one end & other end protected with plastic thread protector. socket confor ming to is: 1239 (part 2) - 2011. g.i pipe shall be duly isi marked as per statutory requirement [ warr anty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] carr. repair stores/tpty, andhra pradesh 3632.00 metre scr