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Stainless steel tubes are divided into ordinary carbon steel tubes, high-quality carbon structural steel tubes, alloy structural tubes, alloy steel tubes, bearing steel tubes, stainless steel tubes and bimetallic composite tubes to save precious metals and meet special requirements, plating and coating tubes, etc. by material.
Stainless steel tubing of a wide variety of different uses, its technical requirements vary, the production method is also different. The current production of steel pipe outside diameter range 0.1-4500mm, wall thickness range 0.01 ~ 250mm. to distinguish its characteristics, usually according to the following method of classification of steel pipe.
Seamless steel tubes is a steel pipe made of whole round steel pierced without welded seams on the surface, called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, top pipe, etc. According to the shape of the section, seamless steel pipe is divided into two kinds of round and shaped, shaped pipe has a square, oval, triangular, hexagonal, melon, star, with a variety of complex shapes finned tube.
Depending on the application, there are thick-walled seamless steel tubings and thin-walled seamless steel tubes. Seamless steel tubes are mainly used as petroleum geological drilling tubes, petrochemical cracking tubes, boiler tubes, bearing tubes, and high-precision structural steel tubes for automobiles, tractors, and aviation.
Hot-dip galvanized steel tubes are widely used in the manufacturing industries of construction, machinery, coal mining, chemical industry, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery, shed construction, etc.
Galvanized steel tubing has a welded steel pipe with a hot dip or electro galvanized layer on the surface. Galvanization can increase the corrosion resistance of steel pipes and prolong the service life. Galvanized steel pipe has a wide range of uses, in addition to being used as a pipeline for general low pressure fluids such as water, gas and oil, it is also used as an oil well pipe and oil pipeline in the petroleum industry, especially in the marine oil fields, as an oil heater, condensation cooler and coal distillation and oil washing exchanger for chemical coking equipment, and as a support frame pipe for trestle pipe piles and mining pits, etc.