tender for ss erw pipe 25 nb 1 inch,gr.304, sch 40s , ss erw pipe 40 nb, gr.304, sch. 40s , ss erw pipe 50 nb,gr.304,sch. 40s , ss erw pipe 80 nb, gr. 304, sch. 40s , ss erw pipe 100 nb, gr. 304, sch. 40s , ss elbow 100 nb gr. 304,sch. 40s , ms elbow 150 nb,class c , ms elbow 200 nb,class c , ss tee 80 nb,gr. 304,sch. 40s, purchase of various types of pipes and fittings for tg unit, stainless steel erw pipe-1 inch 25 nb conforming to ansi b 36.19, grade 304, schedule 40s, tolerance as per standard., stainless steel erw pipe-40 nb, conforming to ansi b 36.19, grade 304, schedule 40s, tolerance as per standard., stainless steel erw pipe-50 nb, conforming to ansi b 36.19, grade 304, schedule 40s, tolerance as per standard., stainless steel erw pipe-80 nb, conforming to ansi b 36.19, grade 304, schedule 40s, tolerance as per standard., stainless steel erw pipe-100 nb, conforming to ansi b 36.19, grade 304, schedule 40s, tolerance as per standard., ss 100 nb elbow conforming to ansi b-16.9, short type,grade 304, schedule 40s, tolerance as per standard., ms 90 degree short radius elbow, heavy duty, class c, size 150 nb, tolerance as per standard., ms 90 degree short radius elbow, heavy duty, class c, size 200 nb, tolerance as per standard., ss tee, size 80 nb, conforming to ansi b16.9, grade ss 304, schedule 40s, tolerance as per standard.