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The company is a modern enterprise specializing in the research and development, production, supply and marketing of metal abrasives with a limited liability system.

Abrasive Selection

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In the application areas used, we advocate that customers choose cost-effective abrasives, the primary key to cost-effective abrasives is high quality.

The standard of high quality steel shot steel grit: can act more kinetic energy on the surface of the workpiece, effectively play a role in cleaning and strengthening, with a long enough fatigue life, reduce the consumption in use.

Chemical composition:

Chemical composition is the most basic steel shot, steel sand an indicator, it will determine the microstructure of steel shot, steel sand and the effect of heat treatment later. Carbon (C) content should be moderate. Silicon (Si) manganese (Mn) can improve the strength and hardness of the steel shot, to be as high as possible (to not less than 0.8% as the best). Sulfur (S) phosphorus (P) is a harmful element, easy to make the steel shot brittle, leading to premature rupture, should be as low as possible (to <0.03% as the best).

Hardness:

If the steel shot or steel sand is too soft, it will slow down the cleaning speed and reduce the working efficiency. When shot peening, too soft steel shot can not produce suitable residual stress, and the force of low hardness shot can not be compensated by increasing the impact time. Too high hardness will produce undesirable surface morphology, increase the chance of breaking the projectile, make the consumption too high, and the wear and tear on the equipment is large, increasing the equipment maintenance costs, so the appropriate hardness is also critical.

Microstructure:

The microstructure of the steel shot (sand) must be able to resist deformation and reduce energy loss when acting on the working surface to increase or decrease fatigue life. Tempered martensite is the most fatigue resistant, in addition, the microstructure of the microstructure must reduce the fragile carbide, otherwise it will cause premature breakage of the steel shot (sand), increasing the amount of use.

Physical defects:

Steel shot (sand) must contain as few physical defects as possible that will cause abrasive breakage. Due to the production process used, the steel shot (sand) will always have some of these physical defects. The production process must be controlled to reduce the percentage of defective particles.

Fatigue life:

Fatigue life is the ability of the steel shot sand  to resist breaking when acting on the work surface. The abrasive with the fatigue  life will be the most economical abrasive if it can convert the appropriate amount of energy into cleaning.

 

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