welded Steel Pipe

welded Steel Pipe

Welded steel pipes are pipes formed by heating and welding the edges of steel materials together. Depending on the welding method, welded steel pipes can be categorized into straight seam and spiral welded pipes. They are commonly used for transporting fluids or as structural materials.

Application

  1. Construction Engineering: Used in frame structures, supports, and enclosures.
  2. Oil and Gas: Used for transporting oil, gas, and other fluids.
  3. Chemical Industry: Used for transporting and storing chemicals.
  4. Hydraulic Engineering: Used in water supply and drainage systems.
  5. Automotive Manufacturing: Used in vehicle chassis and other structural components.
  6. Machinery Manufacturing: Used as parts in machinery equipment

 

Standards

  • ASTM A53: Applicable to black and galvanized welded steel pipes.
  • ASTM A500: Used for structural welded steel pipes.
  • API 5L: For pipelines in the oil and gas industry.
  • EN 10219: European standard for cold-formed welded steel pipes.
  • GB/T 3091: Chinese standard for low-pressure fluid transport welded steel pipes.