When the technical condition of the automobile transmission shaft deteriorates, the amplitude of the bending vibration increases, the vibration is severe, and even the body is shaken, and an obvious periodic sound is emitted, which is called vibration and
The seamless steel pipe is formed by perforating a steel ingot or a solid tube blank, and then hot rolled, cold rolled or cold drawn. The specifications of the seamless pipe are expressed by the outer diameter X wall thickness and millimeter number. Sea
When purchasing hot-dip galvanized seamless tubes, some customers take zinc flower as a judgment mark, and must have zinc flower; while some customers demand "flower-free" galvanized tubes, why?
Large-caliber seamless steel pipe market turnover is still relatively cold; coupled with the end of the quarter, market capital pressure further tightened,
In 2019, China's steel pipe industry faces both opportunities and challenges, and opportunities outweigh challenges. To do a good job in the steel pipe industry, the key lies in the continuous emancipation of the mind, development of ideas,