supply of duly isi marked galvanised mild steel tubes electrical resistancesduly isi marked galvanised mild steel tubes electrical resistances, steel tubes galvanised, isi marked to is:1239 ( part-i ) :2004 in random lengths of 04 to 07 meters, screwed at both ends as per is:554:1999, socketed at one end & other end protected with plastic protector, in the following nominal bore 15 mm, medium class. dycmm ( crws ) bhopal , madhya pradesh 3047.00 metre wcr , duly isi marked galvanised mild steel tubes electrical resistances welded ( erw ) / high frequency induction welded ( hfiw ) / hot finished welded ( hfw ) confirming to is:1239 ( part-i ) / 1990 ( fifth revision ) 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 confirming to is:1239 ( part-ii ) / 1992 ( fourth revision ) with amdt. no. 1 in random length of 4 to 7 mtrs. socket screwed pipes nominal bore dia 80 mm. quality medium class. ( rc item no. 48 ) general stores depot madhya pradesh 1712.00 metre , steel tubes galvanised, isi marked to is:1239 ( part-i ) :2004 in random lengths of 04 to 07 meters, screwed at both ends as per is:554:1999, socketed at one end & other end protected with plastic protector, in the following nominal bore 100 mm, medium class. ( rc item no. 49 ) general stores depot madhya pradesh 563.00 metre , isi marked stainless steel tube duly buffed -od-19 mm x id - 17 mm x 6 meter length in one piece to is-6913 / 1973. dycmm ( crws ) bhopal , madhya pradesh 4288.00 metre