Seamless steel tube is hot rolled and cold drawn extruded and drawn from a billet while welded tube is produced from a strip that is roll formed and welded to produce a tube. The difference in potential impurities, which reduce the corrosion resistance of the finished tube, is why seamless tube is specified.
Seamless steel tubes are formed at one time during rolling. Welded steel pipes need to be welded after rolling, generally with spiral welding
High pressure seamless steel carbon tube is made from solid bar which is be perforated to hollow billet, cold drawn seamless steel tube raw materials are carbon tubular billet. Types: Hot rolled seamless tube, Cold drawn seamless tube.
