Welded Pipes
Welded pipes are manufactured by forming a flat metal strip or plate into a cylindrical shape and then welding the edges together. The weld can be created using various processes, such as Electric Resistance Welding (ERW), Submerged Arc Welding (SAW), or Spiral Welding. The result is a hollow pipe with a seam where the edges were welded together. Welded pipes are commonly used in construction, oil and gas, and water transportation systems.
Welded pipes are similar to welded tubes in that they are made by welding together two metal strips to form a hollow pipe. The difference between welded tubes and pipes typically comes down to the size and application. Welded pipes are generally used for larger diameter applications and are common in industries such as construction, transportation, and oil and gas.
The process of manufacturing welded pipes involves heating the edges of a metal sheet, then using welding methods like electric resistance welding or submerged arc welding to join them. The welded seam is often processed and inspected to ensure strength and durability. Unlike seamless pipes, welded pipes may have weaknesses at the weld seam, but this can be mitigated with appropriate material selection and quality control during the manufacturing process.
Welded pipes are often chosen for applications where large quantities are required, and the cost-efficiency of the production process is a major consideration. They are commonly found in water, gas, and oil pipelines, as well as in structural and mechanical applications.
In comparison to seamless pipes, welded pipes are often preferred when flexibility in design and cost-saving is a priority. However, they are not always suitable for applications requiring high pressure or temperature resistance due to potential seam failure.