Currently, most seamless steel pipes are produced using hot rolling technology: (c billet preparation and inspection → billet heating → piercing → rolling → pipe reheating → sizing (reducing) → heat treatment △ → finished pipe straightening → finishing → inspection △ (non-destructive, physical and chemical, table inspection) → warehousing) Due to the high temperature, the deformation resistance will be relatively small, and steel plates are generally used to complete the reform rolling process. During the operation, it is also necessary to consider the specific thickness of the steel plate. If the required precision is lower, there will be no plate shape issues. The main focus is on control, meaning that temperature control is also a factor to consider.

Market demands for seamless pipes are clear in terms of quality, with strict requirements for different alloy elements. Harmful elements must be strictly controlled, and considerations must be given to potential hazards and defects in the pipe material after production, such as cracks, internal and external folds, breaks, delamination, scabs, and pulled dents. These must all be kept within agreed-upon limits to prevent quality issues.