Steel Grits (Special Treatment) are made of tempered martensite, with various hardness, excellent resistance, giving less dust, longer recycle life, low cost and extensively used for cleaning jobs such as castings and other large fabricated parts.
Steel Grit (ST) – GH-12
Steel Grit (ST) – GH-25
Steel Grit (ST) – GH-50
Typical Chemical Composition
| Element | Composition |
| Carbon (C) | 0.85 – 1.20 % |
| Silicon (Si) | 0.50 – 1.00 % |
| Chrome (Cr) | 0.15 – 0.50 % |
| Sulphur (S) | 0.035 % max |
| Phosphorous (P) | 0.035 % max |
| Manganese (Mn) | 0.70 – 1.20 % |
Physical Properties
| Microstructure | Uniform martensite, tempered to a degree consistent with hardness range with fine and well-distributed carbides. |
| Density | The specific density of cast steel shot shall not be less than 7.40 gm/cm3. |
| Hardness | GH > 60 HRC GL 54 – 60 HRC GP 40 – 51 HRC Hardness deviation is not more than +/- 3 HRC. 90% of the particles tested shall have a hardness value within one of the ranges of Standard hardnesses. |
| Life-Span | 2500 – 2800 times |
| Steel Shot | Steel Grit | Steel Shot (ST) | Steel Grit (ST) | Low Carbon Steel Shot |
| Steel Grit (Bearing) for Granite Cutting | Peening Shot | Steel Cut Wire | Steel Slags |
Please see our Sandblasting media:
Please see our Sandblasting & Shot Blasting Equipments:
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