ST Series Steel Shot

ST Series Steel Shot is a high-end secondary quenched steel shot developed for stable blasting performance, improved toughness and lower breakage. Through the secondary quenching process, ST steel shot achieves better hardness stability, impact resistance and longer service life compared with ordinary steel shot. It is suitable for high-demand shot blasting applications, including casting cleaning, steel structure blasting, automotive parts treatment, heavy machinery components and surface preparation before protective coating.

S70 / S110 / S170 ST Series Steel Shot
S70 / S110 / S170 ST Series Steel Shot are fine-size secondary-quenched steel shot abrasives developed for precision shot blasting, light surface cleaning and smooth surface preparation. With small particle size, excellent surface coverage, stable hardness and improved toughness after secondary quenching, S70 ST Series steel shot, S110 ST Series steel shot and S170 ST Series steel shot help reduce breakage, lower dust generation and create a clean, smooth and uniform surface finish. They are suitable for small castings, thin metal parts, precision components, aluminum parts, zinc alloy parts and workpieces that require controlled impact force before painting, coating or further processing.

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S230 / S280 / S330 ST Series Steel Shot
S230 / S280 / S330 ST Series Steel Shot are medium-size secondary-quenched steel shot abrasives designed for general shot blasting, casting cleaning and metal surface preparation. These ST Series steel shot grades provide a good balance between cleaning efficiency and surface quality, with stable hardness, better toughness, lower breakage and more consistent blasting performance than ordinary steel shot. S230 ST Series steel shot, S280 ST Series steel shot and S330 ST Series steel shot are widely used for medium castings, forgings, machinery parts, automotive components, steel parts, desanding, descaling, rust removal and surface preparation before coating or painting.

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S390 / S460 / S550 ST Series Steel Shot
S390 / S460 / S550 ST Series Steel Shot are large-size secondary-quenched steel shot abrasives used for heavy-duty shot blasting and strong surface cleaning. With high impact force, improved wear resistance, stable particle structure and lower dust generation, S390 ST Series steel shot, S460 ST Series steel shot and S550 ST Series steel shot can efficiently remove rust, oxide scale, sand residues and surface contaminants from large and thick metal workpieces. They are suitable for large castings, steel structures, thick steel plates, heavy forgings, machinery frames, welded components and protective coating preparation.

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S660 / S780 ST Series Steel Shot
S660 / S780 ST Series Steel Shot are extra-large secondary-quenched steel shot abrasives designed for powerful shot blasting and extra-heavy-duty surface preparation. With maximum impact force, strong cleaning power, enhanced toughness and stable blasting performance, S660 ST Series steel shot and S780 ST Series steel shot are suitable for large, thick and heavily contaminated workpieces that require aggressive cleaning. They are mainly used for heavy castings, large steel structures, thick steel plates, heavy machinery parts, shipbuilding steel parts and mining equipment parts, especially for removing severe rust, thick oxide scale and heavy sand residues before protective coating.

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