supply of tube m.s. black medium grade both ends threaded with standard thread without socket and the ends fitted with plastic caps in lengths of 6 mtrs + 50 mm & - 0.00 mm., nominal bore 20 mm, to is:1239 / 2004 / part-i ( latest revision and packing as per is is-4740:1979 ( latest revision ) . note: i ) mtc and guarantee / warranty certificate shall accompany the supply. ii ) material shall be accepted based on mtc, guarantee / warranty certificate submitted by the firm and physical dimensions checked by the consignee at rwf.tube m.s. black medium grade both ends threaded with standard thread without socket and the ends fitted with plastic caps in lengths of 6 mtrs + 50 mm & - 0.00 mm., nominal bore 20 mm, to is:1239 / 2004 / part-i ( latest revision and packing as per is is-4740:1979 ( latest revision ) . note: i ) mtc and guarantee / warranty certificate shall accompany the supply. ii ) material shall be accepted based on mtc, guarantee / warranty certificate submitted by the firm and physical dimensions checked by the consignee at rwf., tube m.s. black medium grade both ends threaded with standard thread without socket and the ends fitted with plastic caps in lengths of 6 mtrs + 50 mm & - 0.00 mm., nominal bore 20 mm, to is:1239 / 2004 / part-i ( latest revision and packing as per is is-4740:1979 ( latest revision ) . note: i ) mtc and guarantee / warranty certificate shall accompany the supply. ii ) material shall be accepted based on mtc, guarantee / warranty certificate submitted by the firm and physical dimensions checked by the consignee at rwf. general stores depot / rwf , karnataka 128862.00 metre