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　　What is steel shot? The steel shot is round, regular and uniform. It is refined by wire drawing, cutting, strengthening and other processes. The particle size of the product is uniform, ranging from 0.2mm-2.0mm, and the hardness and density are highly unified. The main purpose is to use the high-speed rotating impeller to throw the steel shot or steel sand out and hit the part surface at high speed, so the oxide layer on the part surface can be removed. When the steel shot or iron shot hit the surface of the part at high speed, it will cause the distortion of the lattice on the surface of the part, which can improve the surface hardness of the metal. This is a method of cleaning the surface of the part.

　　What is the purpose of steel shot?　

　　1. Steel shot is a kind of common material for metal workpiece treatment. The structure of steel shot is tight and the particle size is uniform. The surface treatment of metal workpiece with steel shot can increase the surface pressure of metal workpiece and improve the anti fatigue ability of workpiece. The surface treatment of metal workpiece with steel shot is characterized by fast cleaning speed, proper hardness of steel shot and steel sand, good rebound performance, uniform and rapid cleaning of internal corner and complex workpiece, shortening the time of surface treatment and improving work efficiency. It is a very good surface treatment material.

　　2. Steel shot is a kind of commonly used surface treatment material. There are many kinds of steel shot. Different types of steel shot require different raw materials and equipment.

　　3. Steel shot is a kind of high-quality wear-resistant material. Its hardness is moderate, toughness is strong, impact resistance is good, and service life is long. When cleaning the workpiece, it has good rebound, fast cleaning speed and low consumption. Steel shot is widely used in many fields, such as casting, forging, machined parts surface and parts heat treated surface. Steel shot should be used in general manufacturing, shipbuilding, etc.

　　What is steel sand? The shape of the steel sand is irregular, which is formed by crushing the steel shot. It is mainly produced by crushing the forged bearing steel after direct quenching. It is mainly used for cleaning the surface of casting or strengthening the surface of parts.

　　What is the use of steel sand?

　　1. As metallurgical deoxidizer and high temperature resistant material.

　　2. Can also do hardware, glass, gems, jade and other polishing grinding. Silicon carbide is mainly used in four fields: functional ceramics, advanced refractories, abrasives and metallurgical raw materials. The raw material of silicon carbide can be supplied in large quantities, which can not be regarded as high-tech products. However, the application of nanometer silicon carbide powder with high technology content in a short time can not form scale economy.

　　3. As abrasives, it can be used to make abrasives, such as grinding wheel, oilstone, grinding head, sand tile, etc.

　　4. High purity single crystal can be used to manufacture semiconductor and SiC fiber.