Steel grit is a metallic abrasive used for aggressive surface cleaning and roughening thanks to its angular structure and high hardness. It is an effective solution especially for stripping coatings such as paint, epoxy and rubber and for preparing surfaces for coating. The grit form is sharper and more abrasive than steel shot.
Technical specifications
- Material
- Carbon steel
- Shape
- Angular
- Hardness
- 40 – 68 HRC (390 – 740 HV)
- Density
- 7.8 g/cm³
- Chemical composition
- C 0.80 – 1.20%, Mn 0.35 – 1.20%, Si 0.40 – 1.50%, S and P max. 0.05%
Grain size selection
| SAE code | Size range (mm) | Application |
|---|---|---|
| G-12 | 1.70 – 2.40 | Heavy cleaning |
| G-16 | 1.20 – 1.70 | General surface preparation |
| G-25 | 0.70 – 1.20 | Medium-level roughening |
| G-40 | 0.42 – 1.00 | Precision cleaning |
| G-80 | 0.18 – 0.40 | Fine surface treatment |
Blasting applications
- Stripping of rust, paint, epoxy and rubber coatings
- Surface roughening and pre-coating preparation
- External surface cleaning of ships, bridges and industrial structures
- Deburring and surface finishing of cast parts
- Aggressive cleaning of concrete and stone surfaces
Advantages
- High abrasive power thanks to its angular structure
- Long cycle life and reusability
- Creates a profile that increases coating adhesion
- Compatible with turbine and pressure blasting systems
- Application-specific choice with different hardness grades
Steel grit stands out in blasting for its high abrasive power and surface preparation capability. Its angular structure creates an ideal surface profile before coating. With a wide choice of grain sizes and hardness grades, it can be used with confidence across many sectors.
