What areas can be used for seamless pipes and stainless steel pipes?

The development of steel pipe production technology began with the rise of bicycle manufacturing, the development of oil in the early 19th century, the manufacture of ships, boilers and aircraft during the two world wars, the manufacture of thermal power boilers after the Second World War, the development of the chemical industry and Oil and gas drilling and transportation, etc., have strongly promoted the development of the steel pipe industry in terms of variety, output and quality.

Steel pipes are not only used to transport fluids and powdered solids, exchange heat, manufacture mechanical parts and containers, but are also an economical steel. The use of steel pipes to manufacture building structure grids, pillars and mechanical supports can reduce weight, save 20-40% of metal, and realize mechanized construction.

There are many types of steel pipes, of which seamless steel pipes and stainless steel pipes are two categories that are widely used in the field of application. Seamless steel pipe is one of the important raw materials in economic construction and is known as the industrial "blood vessel". Widely used as a mechanical industrial pipe (mainly hydraulic and pneumatic cylinder tubes, hydraulic oil pipelines, automotive transmission shaft tubes and semi-axle bushings, bearing steel tubes, belt conveyor roller tubes, printing and dyeing roller tubes, etc.), petroleum geology industry Pipes (oil pump pipes, drilling pipes, oil pipes, casings, drill pipes, etc.), chemical pipes (petroleum cracking pipes, high-pressure pipes for chemical fertilizers, chemical equipment and pipes), power station boilers and heat exchanger pipes.

Stainless steel is known as iron and carbon compounds and has a major chromium content ranging from 10.5 to 11.5%. Stainless steel seamless tubes were formed in the 19th century, but until the early 20th century, stainless steel seamless tubes became mass produced and widely used. The secret of the anti-staining properties of chromium content was discovered. When chromium and oxide come into contact with steel surrounded by chromium oxide, it provides a corrosion-resistant barrier. Whenever the chromium oxide layer is destroyed, it “self-repairs” and continues to create another exposure to chromium interacting with oxygen.

Stainless steel pipe is a hollow strip of round steel, which is widely used in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industrial pipelines and mechanical structural components. In addition, when the bending and torsional strength are the same, the weight is light, so it is also widely used in the manufacture of mechanical parts and engineering structures. Also used to produce a variety of conventional weapons, barrels, shells and so on.

Stainless steel seamless tubes are perhaps one of the most widely used metals in the world today. Not only does it have a good aesthetic, but it is also a metal with superior strength and durability. Many tools are made of stainless steel seamless tubes, and both homeowners and businesses choose stainless steel tools. High-risk work requires reliable tools. Stainless steel tools ensure that they do not corrode or break during use. No one likes the tools in their house to rust.

Recently, stainless steel seamless pipes are mainly used in building decoration, tableware, food machinery, lathe machine tools, mainly energy, petroleum, chemical, machinery, and automobiles. As long as the iron industry can be used, stainless steel materials are indispensable. Its unique nature has also been recognized by more and more people, and the application field is also expanding.

The manufacture of equipment and the maintenance of existing projects have provided a huge market for the application of stainless steel seamless pipes. At the same time, with the continuous development of the electric power industry, the rapid development of the nuclear power industry and the thermal power generation industry has been driven accordingly. The corresponding nuclear industry and boiler industry have also become the key development areas for stainless steel seamless pipes in the future.

In terms of environmental protection and water supply, stainless steel seamless pipes are also expanding to the civilian sector with their unique value. Stainless steel pipes and water delivery equipment are the most advanced basic water purification materials in the world. Some cities have begun to use stainless steel pipes for fluid transportation such as water and gas. Wuhan City has invested heavily in the extensive use of stainless steel pipes and equipment, and has upgraded the main water purification pipes and water collection tanks of some water plants. It will also be used in new high-rise residential buildings and office buildings in the shortest possible time. Stainless steel pipe water supply. Stainless steel pipes have also been used in the water supply pipes of some residents in Ningbo and Daqing. It can be seen that the future civilian field will be another huge market for stainless steel pipes.

The seamless steel pipe materials managed by Bangdong Materials are: 16mn, 20#, 45#, 20G, Q345B, 12CrMor, 27simn, etc. Alloy tube material: 12Cr1MovG, 15CrMoG, 35CrMo, 10CrMo910, A335P11. P22.P91. T91, steel research 102, ST45.8-111, A106B. Stainless steel tubes are: 1Cr18Ni9Ti, 0Cr18Ni9, 304, 321, 316, 316L. The national standards they implement are: structural pipe GB/T8162-1999, fluid pipe GB/T8163-1999, low and medium pressure boiler pipe GB/T3087-1999, high pressure boiler pipe GB/T5310-1995, fertilizer special pipe GB/T6479-86 , petroleum cracking tube GB/T9948-88, ship special tube GB5312-99.

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