STEEL SHOT
The steel shot is used for cleaning and rust -off, of large cast iron, cast steel, cast-iron pipe, large casting and heat-treating piece and film coating pretreatment of the surfaces of stainless steel plate, flimsy steel plate
| Chemicals Composition | |
|---|---|
| Carbon | 0.85 - 1.20% |
| Silicon | 0.40 - 1.50% |
| Manganese | 0.35 - 1.20% |
| Phosphorus | <0.05% |
| Sulfur | <0.05% |
Standard Hardness :
The hardness of 90% of all shot particles shall be within the rang of 40 - 50 HRc. (Rockwell C).
Microstructure :
The microstructure of steel shot shall be uniform martensite, tempered to a degree consistent with the hardness range, with fine,well distributed carbides.
Density :
The density of steel shot shall be not less than 7.4 g/cc.
Specification :
| SIZE | MICRONS |
|---|---|
| S - 780 | 2400 |
| S - 660 | 2000 |
| S - 550 | 1700 |
| S - 460 | 1400 |
| S - 390 | 1200 |
| S - 330 | 1000 |
| S - 280 | 800 |
| S - 230 | 700 |
| S - 170 | 600 |
| S - 110 | 400 |
| S - 70 | 300 |