Standard ASTM A53/A53M/ASME SA-53/SA-53M
Application: suitable for bearing and bearing parts, also for steam, water, gas and air pipelines.
Seamless steel tube manufacturing process.According to its manufacturing process, seamless steel tube is divided into hot rolled seamless steel tube, cold drawn seamless steel tube, punching and stretching seamless steel tube vertical extrusion seamless steel tube, the first two kinds of process is the production of general caliber seamless steel tube, the caliber of seamless steel tube is generally in 8-406, the wall thickness is generally in 2-25;The latter two are the production of large diameter thick wall seamless steel pipe, seamless steel pipe diameter is generally in 406-1800, the wall thickness is generally in 20mm-220mm.According to its use, it can be divided into seamless steel tube for structure, seamless steel tube for fluid, seamless steel tube for boiler and seamless steel tube for oil pipeline.