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Two categories of heat treated steel strip
With the acceleration of the development of modern industrialization, machinery and equipment appear more and more frequently in people's lives, and the pace of people's life is getting faster and faster. The demand for various dairy products, beverages, and fast food is gradually increasing, and it is also Pulled the development of the heat treatment steel belt industry. Heat treatment steel strip is widely used in the market, bringing more kinds of products to people's life and bringing benefits to many manufacturers. Heat treatment steel strip is suitable for die cutting, etching die, corrosion die, large circular saw blade matrix, machine tool guide rail, railway connection steel sheet and military products, etc. At present, this kind of large-size heat treatment high-strength steel strip is completely imported and subject to strict restrictions from exporting countries.
23
2022
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06
Causes of black spots on the surface of steel strip
The main reason for the black spots on the surface of cold-rolled strip steel is that the emulsion is not clean enough, so black spots will be produced after annealing.
