Tender For supply of supply of galvanizedsteeltube :--20 mm medium galvanizedsteeltube and end screwed with one end sockets, tubulars as per is 1239 , 25 mm medium galvanizedsteeltube and end screwed with one end sockets, tubulars as per is 1239 , 32 mm medium galvanizedsteeltube and end screwed with one end sockets, tubulars as per is 1239 , 40 mm medium galvanizedsteeltube and end screwed with one end sockets, tubulars as per is 1239 , 50 mm medium galvanizedsteeltube and end screwed with one end sockets, tubulars as per is 1239