tender for procurement of gi pipe and ms pipe for air line and cooling water line erection for installation of new iac at ahp,stg1,sgtpp,wbpdcl. , procurement of gi pipe and ms pipe for air line and cooling water line erection for installation of new iac at ahp,stg1,sgtpp,wbpdcl. , pipe,gi,100nb, erw min length 6 mtr, is: 1239 ( part-1) 2004,heavy grade ( make:sail/tata/jindal/rinl ) , gi bend, 1.5d , 90 degree, size : 100nb material : gi ( both side threaded ) , socket,100nb, gi for air line , both side threaded, standard length , pipe,ms,150nb,heavy grade,is1239,min l6m additional data: both side bevelled end,make:sail/tata/jindal/rinl