The service life of welded pipes is affected by many factors, generally around 10-20 years, but it depends on environmental conditions, working conditions, welding processes, product quality and other factors.
Service life of welded pipe:
Welded pipe is a pipe material usually used to transport liquids, gases and solid particles. It has good pressure resistance, corrosion resistance, sealing and other characteristics, so it is widely used in various fields such as industry and construction. However, the service life of welded pipes is limited, which is roughly around 10-20 years. The specific evaluation can be based on environmental conditions, working conditions, welding processes, and product quality.
Factors affecting the service life of welded pipes:
1. Environmental conditions: The environment in which the welded pipe is located has a great impact on its service life. If the welded pipe is exposed to moisture, acid or alkaline environment for a long time, corrosion will occur, thus reducing its life. For example, salt spray in the marine environment will greatly reduce the service life of welded pipes, while a dry, pollution-free environment is conducive to the care and maintenance of welded pipes. Therefore, when installing welded pipes, the selection should be based on environmental conditions and corresponding anti-corrosion measures should be taken.
2. Working conditions: The service life of welded pipes will be different under different working conditions. If it is frequently subjected to shock, vibration, impact, etc. during use, its fatigue damage will be accelerated and its service life will be shortened. Therefore, welded pipes that have been affected by these factors for a long time should be regularly inspected or replaced.
3. Welding process: Welding process is one of the key factors affecting the service life of welded pipes. Different welding methods (such as
ERW pipes) and processes have different effects on weld quality, strength and corrosion resistance. If the weld is not strong, it will affect the service life of the welded pipe. Therefore, appropriate welding methods should be selected during welding to ensure that the weld is strong.
4. Quality of welded pipe: The quality of the welded pipe itself is also an important factor affecting its life. If the quality of the welded pipe selected is not good and cannot meet the design requirements, the service life of the welded pipe will be shortened. Therefore, when purchasing welded pipes, you should choose high-quality products and pay attention to check whether their quality and materials meet the standards.
Suggestions for extending the service life of welded pipes:
1. Welded pipes should undergo anti-corrosion treatment before installation to increase their corrosion resistance.
2. Carry out regular inspection and maintenance during use, discover and solve problems in time, and avoid large-scale damage. Such as cleaning off attached corrosion, debris, etc., promptly detecting whether there are deformation, rust, wear and other problems in the pipeline, and taking corresponding measures to repair them.
3. Control working conditions to avoid long-term impact, vibration, impact and other factors. Avoid mechanical, chemical and other external influences on welded pipes or excessive loads.
4. Choose the appropriate welding method when welding to ensure the weld is firm. For weld parts, check whether there are cracks, pores and other quality problems, and repair or replace them in time.
5. Pay attention to the operating temperature and pressure of the pipeline, and do not exceed the design working range of the pipeline.
6. Choose welded pipes with good quality and strong corrosion resistance to extend their service life.
Conclusion
To sum up, the service life of welded pipes depends on factors such as environmental conditions, working conditions, welding technology, and product quality. Therefore, when using welded pipes, we should choose appropriate products and welding processes, and strengthen pipeline care and maintenance to extend the service life of the pipeline, ensure the safety and stability of project operation, and reduce the cost of repair and replacement.
Read more: Comparing ERW and LSAW Steel Pipe Welding Processes
