LSAW steel pipes and seamless steel pipes are two different types of steel pipes, with significant differences in production processes, performance characteristics and applicable fields.
Production Process:
LSAW steel pipe: The welding method of LSAW steel pipe is longitudinal submerged arc welding. The edges of two steel plates are welded to form a long weld. In the production process of LSAW steel pipes, two steel plates are first bent into a tube shape, then the edges are welded into seams using a submerged arc welding process, and finally the final steel pipe is formed through weld seam straightening and pipe shaping. LSAW steel pipes are usually used to transport liquids or gases, such as oil pipelines, natural gas pipelines, etc.
Seamless steel pipe: Seamless steel pipe is made from a whole piece of steel billet through perforation, pickling, hot rolling and other processes, so there is no welding seam. In the production process of seamless steel pipes, high-quality steel billets are first selected and processed through multiple processes to form pipes, without the need for welding processes. Seamless steel pipes are used in a wide range of applications, including high-pressure pipelines, petrochemical industry, automobile manufacturing, mechanical processing and other fields.
Performance features:
LSAW steel pipe: The welding quality of LSAW steel pipe is relatively high. The welded joints have been inspected by X-ray or ultrasonic waves, and the quality is controllable. Its production cost is relatively low because compared to seamless steel pipes, it does not require the use of special tube blanks during its production process, and its production efficiency is higher. LSAW steel pipes have a wide range of sizes and can produce steel pipes with large diameters and thick walls, making them suitable for large-scale engineering projects.
Seamless steel pipe: Seamless steel pipe is made from a single piece of steel billet. It has high strength and pressure resistance and performs well in high pressure or high temperature environments. Moreover, seamless steel pipes have no welding seams, and there are no problems such as welding defects and pores, so they have better overall performance. Due to its high strength and defect-free characteristics, seamless steel pipes are suitable for pipes and equipment in high pressure, high temperature, and corrosive environments.
Applicable fields:
LSAW steel pipe: Due to its low production cost and suitability for large-diameter pipelines and large-scale engineering projects, LSAW steel pipes are often used in pipelines for transporting liquids or gases, such as natural gas pipelines, oil pipelines, etc.
Seamless steel pipes: Seamless steel pipes are widely used in petrochemical industry, shipbuilding, nuclear power plants, automobile manufacturing and other fields due to their high strength, no defects, and suitability for high pressure and high temperature environments, especially for pipes with strict quality and safety requirements. high occasions.
In summary, there are obvious differences between LSAW steel pipes and seamless steel pipes in production processes, performance characteristics and applicable fields. It is very important to choose the appropriate steel pipe type according to specific usage requirements and engineering needs.
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