1. Application fields of DN350 steel pipes
DN350 steel pipes are widely used in various fields as important pipeline materials:
- Oil and gas industry: In oil field development, oil and gas pipelines, DN350 steel pipes undertake the task of conveying pressurized media and ensure the efficient delivery of energy.
- Urban water supply projects: DN350 steel pipes are used in the construction of urban water supply networks. They are corrosion-resistant and highly resistant to pressure, ensuring the safety of daily water use for urban residents.
- Building structures: In building structures such as bridges and high-rise buildings, DN350 steel pipes are often used as materials for key parts such as support and load-bearing to ensure the stability and safety of buildings.
2. Material selection of DN350 steel pipes
The material selection of DN350 steel pipes is related to their performance and durability:
- Carbon steel: Commonly used in occasions with low general requirements, moderate price, and certain strength and toughness.
- Alloy steel: suitable for special environments, such as pipelines under high temperature and high pressure, with excellent corrosion resistance and high strength.
- Stainless steel: used in places with strict corrosion requirements, such as the food industry, chemical industry, and other fields, with good corrosion resistance and hygiene.
3. Manufacturing technology of DN350 steel pipe
Manufacturing DN350 steel pipe requires multiple processes:
- Raw material preparation: Select high-quality steel plates or steel billets as raw materials to ensure product quality.
- Cold drawing or hot rolling: The steel billet is processed into a tube billet through cold drawing or hot rolling, and then the tube billet is drawn or rolled to gradually form a steel pipe with specifications that meet the requirements.
- Welding or stitching: Welding or stitching is performed as needed to ensure the sealing and strength of the pipeline.
- Heat treatment: Heat treatment of steel pipes to eliminate internal stress and improve the hardness and durability of steel pipes.
- Surface treatment: Anti-corrosion treatment and painting are performed on the surface of steel pipes to enhance their corrosion resistance and aesthetics.
4. Conclusion
As an important pipeline material, DN350 steel pipe has an irreplaceable position in all walks of life. Through the selection of high-quality materials and exquisite manufacturing technology, the safe and reliable application of these steel pipes in the engineering field is ensured. It is hoped that with the continuous advancement of science and technology, steel pipe manufacturing technology can continue to innovate, provide more high-quality and efficient pipeline products for various industries, and help the development and progress of engineering construction.
Post time: Jul-25-2025