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Application Of Seamless Steel Pipe In Construction Pipeline Industry


Among the many pipe materials, the most practical one is the seamless steel pipe. This is a more powerful pipe material, not only because of the wide range of fields and scope of the pipe material, but more importantly, Because the quality of seamless steel pipe is very good, the quality of seamless steel pipe is the reason why this pipe material can be promoted and developed in the industrial field. The quality of seamless steel pipe is very good, which is determined by its complicated production process. The biggest feature of the pipe is that there is no seam in the part of the pipe wall, and the ordinary erw steel pipe has obvious seams. This is because of the small characteristics of the seamless pipe, so that this type of pipe material can be used in industry. Used and promoted in the field.

Seamless steel pipes are mainly used in pipeline transportation and can be used to transport some fluids, such as some energy sources. Oil and natural gas, already some groundwater transportation, can be realized by seamless steel pipes. The general-purpose seamless pipe is rolled from ordinary carbon structural steel, low-alloy structural steel or alloy structural steel, and has the largest output. It is mainly used as a pipe or structural part for conveying fluid. Seamless steel pipes made of such steel are widely used. Hydraulic props, high pressure gas cylinders, high pressure boilers, fertilizer equipment, petroleum cracking, automotive semi-axle sets, diesel engines.

Pipes for hydraulic pipe fittings and the like are subjected to surface hardening or high-frequency quenching. Therefore, it depends on the chemical composition (mainly carbon content), heat treatment process and use. When it comes to further use and promotion, when it comes to seamless steel pipe, we first think of the superior quality of this pipe material, which is also its biggest feature. Secondly, the seamless steel pipe uses the structure of steel, so its hardness It is very high compared to the oil casing.

Energy transportation is of great significance, and seamless steel pipe plays an important role in it. When it comes to this type of pipe material, we first have a slightly higher strength than No. 15 steel, and it is rarely quenched and has no temper brittleness. Cold deformation plasticity is high, generally for bending, calendering, crimping and hammer arching. The welding performance of arc welding and contact welding is good. The thickness of gas welding is small, and the shape is strict or the shape is complicated. The machinability cold drawing or normalizing state is better than the annealing state, and is generally used for manufacturing low force and high toughness requirements, and is suitable for engineering, coal mining, textile and other industries.


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