Tenders for Supply Of M.S. Erw Pipe Of 400 Nb Thickness 9.5 Mm With Standard Length Of 6 M Plain End Pipe As Per Is 3589 1991 Grade Fe 410 228 Mtrs 228 Mtrs 6 M 38 Nos Pipe Supply Of M.S. Erw Pipe Of 400 Nb Thickness 9.5 Mm With Standard Length Of 6 M Plain End Pipe As Per Is 3589 1991 Grade Fe 410 228Mtrs 228 Mtrs 6 M 38 Nos Pipe