bids are invited for galvanized mild steel tube nipple of medium class gi pipesize 15mm x 50 mm. size. - galvanized mild steel tube nipple of medium class gi pipesize 15mm x 50 mm. , -do- 15 mm x 75 mm size. - -do- 15 mm x 75 mm , -do- 15 mm x 100 mm size. - -do- 15 mm x 100 mm , -do- 15 mm x 150 mm size. - -do- 15 mm x 150 mm , -do- 15 mm x 200 mm size. - -do- 15 mm x 200 mm , -do- 20 mm x 50 mm size. - -do- 20 mm x 50 mm , -do- 20 mm x 75 mm size. - -do- 20 mm x 75 mm , -do- 20 mm x 100 mm size. - -do- 20 mm x 100 mm , -do- 20 mm x 150 mm size. - -do- 20 mm x 150 mm , -do- 20 mm x 200 mm size. - -do- 20 mm x 200 mm , -do- 25mm x 50mm size. - -do- 25mm x 50mm , gi plug solid 15 mm size. - gi plug solid 15 mm , gi plug solid 20 mm size. - gi plug solid 20 mm , malleable gi pipe fitting isi marked elbow 15 mm size. - malleable gi pipe fitting isi marked elbow 15 mm , -do- elbow 20 mm size. - -do- elbow 20 mm , -do- elbow 25 mm size. - -do- elbow 25 mm , -do- elbow 32 mm size. - -do- elbow 32 mm , -do- elbow 40 mm size. - -do- elbow 40 mm , -do- tee 15 mm size. - -do- tee 15 mm , -do- tee 20 mm size. - -do- tee 20 mm , -do- socket 15 mm size. - -do- socket 15 mm , -do- socket 20 mm size. - -do- socket 20 mm , -do- socket 25 mm size. - -do- socket 25 mm , -do- reducing socket 20 mm x 15 mm size. - -do- reducing socket 20 mm x 15 mm , -do- reducing socket 25 mm x 20 mm size. - -do- reducing socket 25 mm x 20 mm , -do- reducing socket 32 mm x 25 mm size. - -do- reducing socket 32 mm x 25 mm , -do- reducing elbow 20 mm x 15 mm size. - -do- reducing elbow 20 mm x 15 mm , -do- reducing elbow 25 mm x 20 mm size. - -do- reducing elbow 25 mm x 20 mm , -do- reducing tee 20 mm x 20 mm x 15 mm size. - -do- reducing tee 20 mm x 20 mm x 15 mm , -do- g.i union 15 mm size. - -do- g.i union 15 mm , -do- g.i union 20 mm size. - -do- g.i union 20 mm , -do- g.i union 25 mm size. - -do- g.i union 25 mm , -do- g.i hex nipple 15 mm size. - -do- g.i hex nipple 15 mm , -do- g.i hex nipple 20