How to maintain a special type of thick-walled seamless steel pipe? The special model thick-walled seamless steel pipe is used in places with harsh environmental conditions and high environmental requirements. For example, the boiler high-pressured thick-walled seamless steel tubes, mineral thick... Read More

Precautions for on-site construction of lining stainless steel galvanized pipe When lining stainless steel galvanized pipe on-site construction, it mainly pays attention to several points: 1. Pay attention to the cold cutting of the composite pipe as far as possible, such as the grinding wheel ... Read More

What is the difference between precision steel pipe and seamless steel pipe? The main feature of seamless steel pipe is weldless seam, which can withstand large pressure. Products can be very rough cast or cold dial. Precision pipe is the product of recent years, mainly in the hole, the outer wall ... Read More

Identification of shoddy steel pipe 1. Fake pipe prone to folding Folding is the formation of the pipe surface of the various polylines, such defects often run through the longitudinal product. The reason for folding is due to the pursuit of high efficiency shoddy manufacturers, the reduction is too ... Read More

1. Seamless steel pipe technology determines its performance limitations, the general low precision seamless steel pipe, wall thickness unevenness, low brightness inside and outside the tube, the length of the high cost and there are pockmarks inside and outside, black spots are not easy to remove. ... Read More

1) the site or warehouse for the storage of steel should be kept in a clean and unobstructed place, away from the factory where harmful gas or dust is produced. Remove weeds and all debris on the ground to keep the steel clean; 2) in the warehouse, it shall not be piled up with acid, alkali, salt, ... Read More

For industrial applications of oil casing has its own performance, which is not only very superior, but also a very wide range of applications. Here, professionals for the basic superior performance of the oil casing for everyone to introduce, I hope can help you. Oil filter pipe appears punched ... Read More

Dual-frequency heating pipe thickened end of the quenching and cooling method, refer to preheat quenching cold + head content. Tempered steel pipe after delivery to the cooling bed for air cooling. In short, dual-frequency heating method can make the thickening of the induction quenching and ... Read More

The main function of the oil screen is sand control, due to the oil in the oil wells where the geological and sand layers used by the different steel grades and types. In oil drilling operations, sieve pipe is an important equipment, often using pre-completion or oil sand control. Currently, the use ... Read More

1, first of all grasp the water quality standards, strict water quality testing and management. The implementation of clean-up and dispensing, to strengthen the cleaning of the main water pipelines, so that the station, bottom water quality standards, reduce corrosion sources into the annular space. ... Read More