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Welded stainless steel tube and seamless stainless steel tube application Nov 30, 2023

 

Welded stainless steel tube and seamless stainless steel tube application

Welded pipes and seamless pipes are two types of pipes used in various industries for difference applications.

Welded stainless steel pipe/tubes are manufactured by joining two or more pieces of metal using various welding techniques, such as electric resistance welding(ERW), submerged arch welding(SAW) or high-frequency induction welding(HFIW).  We can see the welded seam line inside of the welded pipes, specifically for pickled pipes. 

It is low pressure pipelines, the MAX pressure on 2.5 MPa. 

Application area:

  1. Plumbing and water supply: Welded stainless steel pipes are commonly used for the plumbing and water supply systerms in residential, commercial and industrial buldings.
  2. Oil and Gas Industry: Welded pipes are extensively used in the oil and gas industry for transporting oil, gas, and other fluids over long distances.
  3. Structural and Construction: Welded pipes are utilized in structural applications such as building frames, bridges, and infrastructure projects.
  4. Automotive Industry: Welded pipes find application in automotive manufacturing, specifically for components like exhaust systems and chassis.
  5. Mechanical and Engineering: Welded pipes are used in various mechanical and engineering applications, including manufacturing equipment, machinery, and processing plants.

 

Seamless stainless steel pipes are manufactured by piercing a solid bullet of steel to form a hollow cylindrical shell without and welding or seams. This seamless process ensures uniformity and a contunuous structure along the length of the pipe. Seamless pipes are typically produced throung the hot rolling or cold drawing processes, resulting in a smooth, seamless surface. 

Seamless stainless steel pipes pressure was decided by the out diameter and wall thickness(SCH 5S, SCH 10S, SCH 40S, SCH80S etc). It have the international standard for reference. 

Application area:

  1. Oil and gas exploration and production
  2. Cemical processing and petrochemical industries
  3. Power generation
  4. Automotive industry
  5. High pressure and high temperature application
  6. Seaiconductor, solar, Electric circuit etc.

Seamless steel tubes are know for their superior strength, durability and corrosion resistance compared to welded pipes. They are often preferred in applications where high pressure, hig temperature or critical fluid transportation is required. It is very important material for the industry. 

Both welded and seamless pipes have their respective advantage and are selected based on specific application requirements, cost considerations and applicable industry standards. 

Jiangsu zk metal pipe co.,ltd is a factory and mainly produce the welded stainless steel pipe and seamless steel pipes and related pipe fittings. Welcome to contact with us if any needed. 

 

 

 

 

 

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