With the progress and development of advanced technology, welded pipe technology has achieved leap-forward development in the past ten years of this century, which directly drives the production efficiency of welded pipes and the quality of welded pipes themselves. In the fierce market, the quality requirements for welded pipes are Read more…
Qingdao Qingchi Intelligent Technology is a professional enterprise that produces high-frequency welded pipes. The products cover round pipes, square pipes, rectangular pipes, oval pipes and other special-shaped pipes. The company has more than 20 domestic and foreign advanced welded pipe production lines. Its equipped with eddy current flaw detection equipment Read more…
Stainless and acid-resistant steel is referred to as stainless steel. It is composed of two parts: stainless steel and acid-resistant steel. In short, the steel that can resist atmospheric corrosion is called stainless steel, and the steel that can resist chemical medium corrosion is called acid-resistant steel. Generally speaking, steel Read more…
High-frequency welded pipe is a spiral high-frequency welded pipe made of strip steel, which is generally extruded at high temperature and welded by an automatic double-wire front and back arc welding process. The strip is cold-rolled by several rolls and slowly rolled, resulting in a round finishing tube with an Read more…
