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SMLS pipe refers to seamless steel pipe, which is made of a whole piece of metal and has no joints on the surface. According to the production method, seamless pipe is divided into hot rolled pipe, cold rolled pipe, cold drawn pipe, extrusion pipe, pipe jacking and so on.<br/><br/> According to different uses, there are thick wall seamless steel pipes and thin wall seamless steel pipes.<br/><br/> Seamless steel pipe is mainly used for petroleum geological drilling pipe, petrochemical cracking pipe, boiler furnace pipe, bearing pipe and high-precision structural steel pipe for automobiles, tractors and aviation.<br/><br/> It is divided into two categories: general purpose (for water and gas pipelines and structural parts, mechanical parts) and special purpose (for boilers, geological exploration, bearings, acid resistance, etc.)
SMLS pipe refers to seamless steel pipe, which is made of a whole piece of metal and has no joints on the surface. According to the production method, seamless pipe is divided into hot rolled pipe, cold rolled pipe, cold drawn pipe, extrusion pipe, pipe jacking and so on.<br/><br/> According to different uses, there are thick wall seamless steel pipes and thin wall seamless steel pipes.<br/><br/> Seamless steel pipe is mainly used for petroleum geological drilling pipe, petrochemical cracking pipe, boiler furnace pipe, bearing pipe and high-precision structural steel pipe for automobiles, tractors and aviation.<br/><br/> It is divided into two categories: general purpose (for water and gas pipelines and structural parts, mechanical parts) and special purpose (for boilers, geological exploration, bearings, acid resistance, etc.)
The Hollow section is divided into square and rectangular cold-formed hollow steel, referred to as square pipe and rectangular pipe. The square pipe is divided into hot-rolled seamless pipe, cold-drawn seamless pipe, extruded seamless pipe and welded square pipe according to the production process.<br/><br/> There are various surface treatment methods, including hot-dip galvanized, electric galvanized, oil coated, pickling, etc.<br/><br/> Hollow section applications mainly include: decoration, machine tool equipment, machinery industry, chemical industry, steel structure, shipbuilding, automobile manufacturing, steel beam and column, and other special purposes.
The Hollow section is divided into square and rectangular cold-formed hollow steel, referred to as square pipe and rectangular pipe. The square pipe is divided into hot-rolled seamless pipe, cold-drawn seamless pipe, extruded seamless pipe and welded square pipe according to the production process.<br/><br/> There are various surface treatment methods, including hot-dip galvanized, electric galvanized, oil coated, pickling, etc.<br/><br/> Hollow section applications mainly include: decoration, machine tool equipment, machinery industry, chemical industry, steel structure, shipbuilding, automobile manufacturing, steel beam and column, and other special purposes.