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How does hot rolled flat steel continue to develop in a fierce market
　　Hot rolled flat steel will produce an oxygen effect in the atmosphere, forming an oxide film on the surface, but it can only play a simple protective role. The corrosion resistance of hot-rolled flat steel depends on chromium, but the method of protection is different. When the amount of chromium added is larger. It is because chromium alloys the steel. The oxide on the surface becomes the surface oxide formed on pure chromium metal.

　　In the long run, the application scope of hot-rolled flat steel will not be limited to the current industries. Due to the improvement of flat steel material and other aspects, the change in production capacity and product performance will directly affect the scalability of the market. Manufacturers are also in this fiercely competitive market transition, constantly improving product changes, from the internal structure, and the choice of materials, will drive the development of flat steel, but also drive the market competitiveness of the manufacturer.