Q235B Spiral Welded Carbon Steel Pipe

First-class welded pipe production process

The pipe is available in a range of sizes and thicknesses, and is manufactured to meet the requirements of various national and international standards, including the American Petroleum Institute (API) 5L standard, which specifies the requirements for line pipe used in the oil and gas industry. Q235b Spiral Steel Pipe is highly durable and resistant to corrosion, making it suitable for use in harsh environments. It is also easy to install and maintain, and has a long service life, making it a cost-effective choice for many applications.

High level of welded pipe production technology

Spiral seam submerged arc welded steel pipe for pressurised fluid transmission (SY5036-83) is mainly used for pipelines for the transmission of oil and natural gas; Spiral seam high-frequency welded steel pipe for pressurised fluid transmission (SY5038-83) is welded by high-frequency lap weld method, spiral seam high-frequency welded steel pipe for pressurised fluid transmission. The steel pipe has strong pressure-bearing capacity, good plasticity, and is easy to weld and process. General low-pressure fluid transport spiral submerged arc welded steel pipe (SY5037-83) using double-sided automatic submerged arc welding or single-sided welding made of water, conveying general low-pressure fluids with submerged arc welded steel pipe such as gas, air and steam.

Q235B steel pipe commonly used standards are generally divided into: SY/T5037-2000 (Ministry of Standards, also known as ordinary fluid transport pipeline spiral submerged arc welded steel pipe, GB/T9711.1-1997 (national standards, also known as the oil and gas industry delivery of steel pipe delivery), the first part of the technical conditions: Class A steel pipe (strictly according to the GB/T9711.2 Class B steel pipe), API-5L (American Petroleum Institute, also known as the pipeline steel pipe). American Petroleum Institute, also known as pipeline steel pipe; divided into two levels: PSL1 and PSL2), SY/T5040-92 (spiral submerged arc welding steel pipe for piles).

Welded pipe supply with excellent performance

Plan to produce new type of structural steel pipe, such as double-layer spiral welded steel pipe, that is, double-layer pipe with half the thickness of the wall of the strip welded on the pipe, not only the strength is higher than the single-layer steel pipe. The thickness of the layer pipe is the same, and there will be no brittle damage;
Development of new steel, improve process technology, extensive use of rolling and post-rolling heat treatment process, and continuously improve the toughness of the pipe body and welding performance;
The development of coated pipes, such as coating the inner wall of the pipe with an anticorrosion layer, can not only extend the service life, but also improve the lubricity of the inner wall, reduce the resistance of fluid friction, reduce the wax build-up and fouling, reduce the number of times of pipeline cleaning, and reduce the maintenance costs.

All of our welded pipes can be treated with black paint, 3PE, 3PP, galvanized, etc. If you need, please contact us immediately!

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