bids are invited for procurement of gi pipes and fittings g.i. pipe, erw, heavy duty, dia.-25mm, 1-inch, screwed and socketed ends length- 6 to 7 mtrs. , elbow g.i. heavy duty 1- inch x 90 degree , elbow g.i. heavy duty 2-inch x 90 degree , g.i. flange hd for 2-inch dia. nb pipe, dummy screw threaded type, od-135mm, id-61mm , g.i. socket heavy duty both end threaded, 1-inch , g.i. socket heavy duty both end threaded, 2-inch , bend g.i. with socket medium duty 1-inch x 90 degree , bend g.i. with socket heavy duty 2-inch x 90 degree , tee g.i. heavy duty 1-inch x 1-inch x 1-inch , tee g.i. heavy duty 2-inch x 2-inch x 2-inch , ball valve stainless steel-304 screwed ends 1by2, half -inch total quantity : 785