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Steel Grit

Definition - What does Steel Grit mean?

Steel grit is an abrasive material that is used to abrade surfaces in a process known as abrasive blasting. Steel grit is jagged in shape, which allows it to abrade materials extremely well. Steel grit comes in many different chemical forms and sizes and is made by crushing steel shot.

Corrosionpedia explains Steel Grit

Steel grit is most frequently used in a process called abrasive blasting, in which a substance is projected at high velocities towards a base material in order to remove material from the base material or to prepare the surface for further work. This is often done to remove any unwanted contaminants or oxide layers prior to coating a base material to improve the coating's adhesion.

Steel grit belongs to a family known as steel abrasives, which consists of steel grit and steel shot. Steel shot are round balls of steel; however some applications require sharper edges so steel grit is used for these applications.

Because steel grit is used as an abrasive, the steel grit should be harder than the material it is abrading. Therefore, high carbon and high alloy steels are typically chosen to make steel grit. Steel grit is frequently made out of stainless steel so that no rust appears on the finished product, which could occur if plain carbon steel was used.

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