S235jr Hot Rolled Spiral Welded Pipe

S235JR Hot Rolled Spiral Welded Pipe, as a non-alloy structural steel material that meets European standards, occupies a place in the construction industry and engineering fields with its excellent performance and wide range of applications.

1. Material properties

S235JR steel has lower carbon content and is a high-quality carbon structural steel. The "235" indicates that the yield strength is 235MPa, while the "JR" indicates that the material has good impact toughness at room temperature. Typically used in welded, bolted and riveted structures, this steel is popular for its high strength and good workability.

2. Hot rolling process

S235JR Hot Rolled Spiral Welded Pipe is made by hot rolling process. Hot rolling is a method of heating a steel billet to close to its melting point and then rolling it. This method can significantly reduce the internal stress of the material and improve its ductility and toughness. At the same time, hot rolling can also ensure the dimensional accuracy and surface quality of steel pipes.

3. Spiral welding technology

In the spiral welding process, narrow steel strips are continuously rolled into a spiral shape and joined by welding. This technology allows the production of larger diameter and longer length pipes while maintaining the strength and toughness of the material. Spiral welded pipes are widely used in construction, oil, gas and water conservancy projects due to their high efficiency, economy and high structural strength.

FAQ：

1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be the
most suitable supplier for you.
2. Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
3. Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also
available
4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with
earlist vessel and professional service.

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