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typeblasting mediamodel numberS390
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usagederusting, cleanig, strengthen etcabrasive grain sizesRequirment
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Hardness42-53hrc, 42~52HRC; 53~60HRC; 60~64HRCShapedifferent shapes, Steel shot crashed grit
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NameSteel gritMaterialAlloy
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UsageShot blasting, sand blasting, shot peening, sand peening etc.Abrasive Grain SizesG40/0.7mm
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DuribilityAbout 2800-3000times
Cast steel shot and steel grit should be distinguished by particle form before blasting selection. Confirm whether the enquiry requires S390 shot or G40 grit.
- S390 is the technical model.
- Steel is the material option.
- Other is the actual grit label.
- G40/0.7mm is a size description.
- Different particle shapes are named.
Separate shot from crushed grit
The description includes steel shot and crushed grit terminology. Ask which form is supplied rather than assuming every model is a round medium.
Confirm the grading requirement
Specify S390 or G40 and the required distribution. A G40/0.7mm description should not be applied automatically to a shot designation.
Agree hardness for the process
Several hardness ranges are described without a selected configuration. Obtain the applicable class and process evidence before derusting, blasting or controlled peening.





