the applications of seamless steel pipecarbon steel pipe bending is popular in factories, stadiums and other buildings of the roof frame, beams, columns and steel housing. With the development of steel production in the construction, the carbon steel pipe is also more and more to use steel structure such as daily utensils, furniture, water supply and drainage, gas heating and ventilation, vehicle and agricultural equipment manufacturing, underground resources such as coal, oil and gas development etc. Therefore, the steel pipes are related closely on the development of national economy and people’s standard of living.
Seamless steel pipe is a hollow section without seams around the strip steel. Because of unique structure, seamless steel tube is broadly used as transmission fluid pipe like oil, natural gas, coal gas, water and pipelines of some other solid materials. Compared to the solid round steel, seamless steel pipe is a kind of economic cross section steel with light weight. It is also widely applied to manufacture structural and mechanical spare parts such as petroleum drill pipe, auto transmission shaft and bicycle frame etc.
Using seamless steel pipe to process annular parts can enhance material utilization, simplify the manufacturing process and save material and processing time. For instance, rolling bearing ring and jack sets have been widely adopted steel pipe to make at present. According to different cross sectional area shape, it can be divided into circular tube and special pipe. Due to equal perimeter conditions, the circle area is the largest and can convey more fluid. So most of steel pipes is round design. Depending on a variety of application, seamless steel pipe has other kinds of deformed steel pipe.
Structural seamless steel tube is used for general structure and mechanical structure. Fluid transmission seamless steel pipe as common steel tube is used for transporting water, oil, gas and other fluid. Low pressure seamless steel pipe is used to produce all kinds of sanitary stainless steel tube like low intermediate pressure boiler, locomotive boiler steam pipe, and high quality carbon structural steel hot rolling and cold drawn seamless steel tube.
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