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Concrete Introduction And Classification Of Steel Pipe

Qingdao Wuxiao | Updated: Jun 12, 2017

    The development of steel pipe production technology began in the rise of bicycle manufacturing, the development of oil in the early 19th century, the manufacture of ships, boilers and airplanes during World War Two, the manufacture of thermal power boilers after the Second World War, the development of chemical industry and the drilling and transportation of oil and gas, all powerfully promoted the development of steel pipe industry in variety, yield and quality.

The steel pipe is not only used for conveying fluid and powdery solids, exchanging heat, making mechanical parts and containers, it is also an economic steel. Using steel tube to make structure truss, pillar and mechanical bracket can reduce weight, save metal $number, and realize factory mechanized construction. The use of steel pipe to make highway bridges can save steel and simplify construction, and can greatly reduce the area of coating layer and save investment and maintenance cost.Steel Pipe

Steel pipe According to the production method can be divided into two categories: seamless steel tubes and welded steel pipe, a seam steel pipe for short.Steel Pipe

1. Seamless steel tube According to the production method can be divided into: hot-rolled seamless pipe, cold-drawn pipe, precision steel pipe, thermal expansion tube, cold spinning pipe and extruded pipe.

Seamless steel tubes are made of high quality carbon steel or alloy steel with hot-rolled and cold-rolled (drawn) points.

2. Welded steel pipe is divided into furnace welded pipe, welding (resistance welding) tube and automatic arc welded pipe because of its different welding process, because of its different welding form is divided into straight seam welded pipe and spiral welded pipe, because its end shape is divided into circular welded pipe and shaped (square, flat, etc.) welded pipe

Welded steel pipe is formed by tube-shaped steel plate to the seam or spiral seam welding, in the manufacturing method, also divided into low pressure fluid transport welding pipe, spiral seam welded steel pipe, direct roll welding pipe, welding pipe and so on. Seamless steel tubes can be used in a variety of industries, such as liquid pressure pipes and gas pipelines. The welding pipe can be used for water pipelines, gas pipes, heating pipes and electrical pipes.Steel Pipe


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