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Two classes of heat-treated steel strips

2022-06-23

Two classes of heat-treated steel strips

With the accelerated pace of modern industrialization, machinery and equipment appear more and more frequently in people's life, people's pace of life is getting faster and faster, the demand for a variety of dairy products, drinks, fast food gradually increased, but also pulled the development of heat treatment steel strip industry. Heat treated steel strip is widely used in the market, which brings more kinds of products to people's life and brings benefits to many manufacturers. Heat treated steel strip is suitable for die cutting tool, etching tool die, corrosion tool die, large circular saw blade matrix, machine tool guide, railway connecting steel sheet and military products, etc. At present, this kind of large size heat treated high strength steel strip is completely imported, and is strictly restricted by the exporting country.

The cause of black spots on strip steel surface

2022-06-23

The cause of black spots on strip steel surface

The main reason for the black spots on the surface of cold rolled strip steel is mainly because the emulsion is not clean enough, so the black spots will be produced after annealing.

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