Cast steel shot are made from high quality steel fragments that are first melted and then sprayed with high pressure water to form small spheres of molten steel. The formed shot (pellet) is reheated to purify the homogenization and then quenched. After quenching, the steel shot is dried in the furnace and reheated and tempered to achieve proper hardness. The tempered steel shot is sorted into 11 grades according to SAE standard through a mechanical screen for use in the blasting equipment. Products of different size and hardness are used in different processes, such as surface strengthening.
Cast steel shots are widely used for descaling and derusting treatments before painting steel workpieces. In this case, centrifugal shot blasting equipment is often used. The shape of the ball and the lower hardness will prevent the steel shot from causing greater wear on the equipment. Steel shots are also widely used in the foundry industry. When the workpiece is removed from the mold, use steel shot to remove the sand on the surface of the workpiece. When steel shot is used with suitable equipment, because it is durable, it is definitely the best abrasive for your surface cleaning.
Adapt to industrial scope
Aviation industry, automotive industry, sandblasting / painting dealers, consumer goods manufacturing, container manufacturing / repairing, casting, granite / stone cutting and shipbuilding and ship repair, middlemen, oil and gas pipelines, factory maintenance and metal processing.
Surface pretreatment before spraying; sand cleaning of castings; descaling of pipes, etc.
The larger the diameter of the steel shot is, the higher the surface roughness after cleaning is, but the cleaning efficiency is also high;
the cleaning efficiency of irregularly shaped steel sand is higher than that of the spherical shot, but the surface roughness is also high.
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