How To Choose Submerged Arc Welded Steel Pipe Suitable For Specific Project

After making clear the difference between SSAW and LSAW steel pipes, the key to choose submerged arc welding steel pipes suitable for specific projects is to accurately match the project requirements and steel pipe characteristics.

From the pressure and strength requirements, if the project involves high-pressure transportation, such as long-distance pipelines of oil and natural gas, the working pressure may reach several MPa or even higher, and LSAW steel pipe is the best choice. Its straight seam characteristics endow it with higher axial strength and better fatigue resistance, which can keep stable operation under high pressure and reduce the risk of pipeline rupture and leakage. On the contrary, if it is only low-pressure fluid transportation, such as urban water supply and drainage, general industrial water, etc., and the working pressure is usually below 1 MPa, SSAW steel pipe is fully competent with its uniform stress distribution and good flexibility, and at the same time, it can reduce the cost.

Diameter and dimensional accuracy are also important considerations. For the demand of large-diameter pipeline, SSAW steel pipe has the advantages of production technology, which can produce large-diameter steel pipe by using narrow steel strip to meet the requirements of large-diameter projects such as large-scale water conveyance projects and urban heating pipe networks. However, LSAW steel pipe is excellent in dimensional accuracy. If the project has strict requirements on pipe diameter tolerance, such as some precision chemical pipeline systems, LSAW steel pipe can ensure the accuracy of pipeline connection, reduce installation errors and ensure the tightness and stability of the system.

The project budget can't be ignored. SSAW steel pipe has high utilization rate of raw materials, relatively simple production process and relatively low cost. In the case of limited budget, such as some municipal infrastructure construction projects, the selection of SSAW steel pipe can not only meet the basic performance requirements, but also effectively control the cost. However, for projects that require extremely high quality and safety, such as deep-sea oil and gas production pipelines, even though LSAW steel pipes are expensive, considering their excellent performance and reliability, LSAW steel pipes are still a better choice in terms of long-term operation and maintenance costs.