Basic information
Material: Mainly made of carbon steel, some may contain less alloying elements, such as manganese, silicon, etc., to improve its performance. Common materials include 10#, 20#, 45# steel, etc.
Manufacturing process: Usually, steel ingots or solid tubes are perforated to form rough tubes, and then made by hot rolling, cold rolling or cold drawing. Hot-rolled seamless steel pipes are perforated and rolled at high temperatures to achieve the required size and performance; cold-rolled seamless steel pipes are rolled multiple times at room temperature to obtain higher precision and surface quality; cold-drawn seamless steel pipes are hot-rolled steel pipes that are cold-drawn again to improve their dimensional accuracy and mechanical properties.
Features
High strength: Carbon steel itself has high strength, which enables carbon steel seamless pipes to withstand greater pressure and load, and are suitable for high-pressure fluid transportation and other occasions.
Good corrosion resistance: Compared with some other metal pipes, carbon steel seamless pipes have certain corrosion resistance in general environments, especially after appropriate anti-corrosion treatment, such as galvanizing, painting, etc., its corrosion resistance can be further improved.
Good high temperature resistance: It can work in a higher temperature environment, is not easily deformed or damaged by high temperature, and is suitable for the transportation of high temperature media and heat exchangers and other equipment.
Low fluid resistance: Due to its smooth inner surface and no protrusions such as welded joints, the flow resistance of the fluid in the pipeline is small, which can reduce the energy consumption during transportation.
Strong machinability: It can be made into structural parts of different shapes and sizes through various processing processes, such as bending, welding, etc., to meet different engineering needs.
Application areas
Petroleum and natural gas industry: It is used to transport media such as petroleum and natural gas. It is an indispensable pipeline material in oil extraction, refining, chemical and other industries.
Power industry: It can be used to manufacture superheated steam pipes, boiling water pipes, water-cooled wall pipes, etc. for high-pressure boilers, as well as thermal pipes, etc. Mechanical manufacturing field: used to manufacture automobile drive shafts, bicycle frames, blanks of various mechanical parts, etc., to improve material utilization and part performance.
Construction industry: used as supporting components or conveying pipelines in building structures, such as structural supports of high-rise buildings, steel pipe piles of bridges, etc.
Water conservancy projects: can be used as pressure water pipes of hydropower stations, water pipelines of pumped storage power stations, etc.
Other fields: also widely used in parts with high requirements for pipe performance in industries such as aerospace, military industry, and shipbuilding.
In summary, carbon steel seamless pipes, as an important industrial material, play an irreplaceable role in various fields. With the advancement of science and technology and the development of industry, the production and application prospects of carbon steel seamless pipes will be broader.