Free cutting steel
Free cutting steelrefers to steel with excellent machinability. To improve the free-cutting performance of steel is mainly by adding free-cutting elements to steel alone or in combination.
According to the different free-cutting elements, it can be divided into sulfur free-cutting steel, lead free-cutting steel, calcium free-cutting steel and composite free-cutting steel. According to their different uses, free-cutting steel is divided into automatic machine steel, structural free-cutting steel and special free-cutting steel (heat-resistant steel, stainless steel, tool steel, etc.). According to the different free cutting properties, it can be divided into general free cutting steel, super free cutting steel and so on.
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