The rolling mill machine plays an important role in industrial applications. Many of the industrial products on the market are directly or indirectly produced by the rolling mill. The development of the rolling mill is to eliminate the labor cost in the production of the rolling mill machine. The rolling mill machine is manufactured in rolling mill plant. In fact, rolling mill machine is the most critical equipment for steel companies. Rolling mill machine promotes the development of many industries, not only in rolling mills, but also in the construction industry, automobile manufacturing industry, shipbuilding industry, aerospace, civil products, etc. .

The main part of the rolling mill machine is the pressure vessel. Since the rolled piece is high-temperature and high-performance metal,  the requirements for the material of the rolling mill itself are high.  Generally, the material of the rolling mill must be customized to be used. of. In order to maintain the normal operation of industrial production when the original equipment of the rolling mill machine is working abnormally, the method to be used is to use a spare part. There are strict standards for the use of spare materials in the production of rolling mill machine.

In the industrial application process, the original material of the rolling mill is relatively thick, and if the material is too thin, the rolling mill machine will be broken due to the unbearable pressure during the operation, causing serious consequences. The material of the rolling mill is made of excellent metal with strong mechanical properties, can withstand huge pressure without damage, which is high-quality material. If the material whose performance can not meet the needs of the rolling mill, which is the "inferior" material. In the material substitution of the rolling mill machine, this kind of situation must not occur, and only better materials can be selected.