As a manufacturer we are interested in importing following ST-52 carbon steel seamless Tubes on regular basis: OD 445x20 mm wall (finish size 436x410) OD 323. 9x16mm wall (finish size 318. 5x294) Our requirement is regular and repeat orders are placed. Componet will be subjected to hard chromium plated and hence no streaks, seams cracks dent marks should be there once machined to finish size. Only manufacturers or their authorised distributor / selling agents should quote