Advantages and Disadvantages of High-frequency Welded Pipe Forming Methods
The high-frequency welded pipe (ERW steel pipe) forming roll is an important part of the welded pipe unit and the technical core of the welded pipe forming process. The forming of high-frequency welde...
The Origin and Development of Electric Resistance Welded Pipe
The seamless welded pipe production technology was invented in Germany, and the technology since then is mainly in Germany. The United States is a pioneer in the development of electric resistance wel...
Common Defects and Prevention of Welded Pipe
Defects produced in the actual production of high-frequency welded pipes (erw steel pipe) are sometimes not caused by one reason, but are usually the result of a combination of multiple factors. Weldi...
Anti-corrosion Treatment Method for Inner and Outer Walls of Seamless Steel Pipe
Compared with traditional pipes, seamless steel pipes have lighter raw materials, high strength, good durability, can withstand higher internal pressure, are sensitive in production and use, and can b...
Causes of Cracking of Seamless Steel Pipes
Recently, our company’s small partners often encountered customer feedback in the process of talking with customers. In their previous procurement experience, they often encountered the problem of cra...
Causes of Pits on the Surface of Seamless Steel Pipes
The surface problem of seamless steel pipes is the most common one in the process of purchasing seamless steel pipes by all customers. We often encounter customers who conflict with downstream custome...
