supply of ss tubes ss tubes , supply of erw cold drawn s.s. tubes grade 304 dully annealed pickled & hydraulically tested at 1000 psig conforming to astm 249. a ) size - 45mm od x 1.21mm thickness x 1885 mm length ( approx wt. – 2.472 kg / tube ) , supply of erw cold drawn s.s. tubes grade 304 dully annealed pickled & hydraulically tested at 1000 psig conforming to astm 249. a ) size - 45mm od x 1.21mm thickness x a ) 3785 mm length ( approx wt. – 4.977 kg / tube ) , supply of erw cold drawn s.s. tubes grade 304 dully annealed pickled & hydraulically tested at 1000 psig conforming to astm 249. a ) b ) size - 100mm od x 1.71mm thickness x 1215 mm length ( approx wt. – 5.047 kg / tube )