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model numberS390usagederusting, cleanig, strengthen etc, Shot blasting
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Abrasive Grain SizesRequirment, G40/0.7mmNameSteel grit
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ShapeSteel shot crashed gritHardness42~52HRC; 53~60HRC; 60~64HRC
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DuribilityAbout 2800-3000times
Steel grit is described for derusting, cleaning and shot blasting. Confirm the delivered abrasive form before selecting shot or grit for the process.
Specify shot versus grit
The title names both cast steel shot and steel grit, while the body describes grit made from steel shot. Request the actual particle geometry rather than assuming a rounded-shot or angular-grit configuration.
- Steel grit is the stated name.
- S390 is the model reference.
- G40/0.7mm is the grain-size reference.
Agree the delivered designation
S390 and G40/0.7mm should not be treated as interchangeable sizing specifications. Obtain one delivered designation and particle distribution for your requirement.
Select a hardness class
The three hardness ranges require a confirmed batch class. Evaluate cleaning or strengthening under the actual process conditions; the durability count does not establish a fixed reuse life or peening result.





