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Steel grit is angular in shape and is produced by crushing oversize steel shots and subsequently heat treated by tempering to get the required hardness and microstructure. These intrinsic characteristics of the product enormously enhance the performance of the blasting for heavy descaling, deep descaling and surface preparations. The angular shape and relative hardness of steel grit ensures rapid cleaning rates and excellent recyclability. With variations in hardness and size, steel grit can also be used for cutting granite and stones.
There are three standard levels of hardness for high-carbon steel grits.
Grit sizes are according to SAE J444, and regular sizes of steel grits range from 0.045mm to 2.80mm.
| C | 0.80% – 1.20% |
|---|---|
| Mn | 0.35% – 1.30% |
| Si | ≥0.40% |
| S | ≤0.50% |
| Hardness | 42 – 52 HRC |
| Hardness Deviation | ±3.0HRC |
| Durability | 2000 – 2800 Times |
| Microstructure | Tempered Martensite or Sorbite |
| Density | 7.6g/cc |
| Bulk Density | 4.2g/cc |
Regular sizes of steel grits range from 0.045mm to 2.80mm.
How to choose the right size? Please click here to refer to the article written by the technical stuff in our R&D team.
Steel grits are produced by crushing steel shots and subsequent heat treatment.
For the detailed introduction about the production of steel grits, please click here to refer to the article written by the technical stuff in our R&D team.
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