1. Technical characteristics of cold rolled stainless steel strip industry
Stainless steel is a high-alloy steel with high rolling deformation resistance. High-precision rolling should be carried out using a rigid mill. Due to the different properties of various stainless steels. In order to meet the different purposes of use, the corresponding production company needs a unique process.
The cold-rolled stainless steel strip has strict requirements on the surface quality, which not only does not allow the defects caused by the residual process, but also does not allow obvious defects caused by the cold rolling process. Therefore, there are very strict requirements for the grinding of the rolling mill. In order to ensure a good and uniform surface gloss, the finished product is also acid-washed after annealing. The bright plate with special requirements is also subjected to protective atmosphere annealing. To protect the surface of the finished product, some products have to be coated on the surface.
The production of cold-rolled stainless steel is a multi-unit joint operation. Process balance and process management are very important. There must be a powerful and experienced dispatching system to ensure continuous high-quality production. In addition, the equipment of cold-rolled stainless steel is relatively complicated, and the high-precision equipment in the unit accounts for a large proportion, involving various aspects such as electromechanical and automatic execution of instruments, and therefore requires high skill for technicians. Organizing the management of production and equipment is the fundamental guarantee for improving production level and product quality.
In short, the production of cold-rolled stainless steel is a delicate process, which is incomparable to other steel types.
2, cold rolled stainless steel strip industry technology level
Although the development of China's cold-rolled stainless steel strip industry is relatively short, it has developed rapidly in the past decade. With the global stainless steel industry layout and adjustment, the world's major cold-rolled stainless steel strip capacity has been concentrated in China in recent years, and the application of new equipment and new processes is also widely used in new capacity. Therefore, China's advanced equipment and technical mastery in the cold-rolled stainless steel strip industry have reached the world's advanced level, and the import substitution capacity has gradually increased.
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