Steel Shots
Steel shot is a shot made of molten steel which is atomized (or granulated) into particles which are more or less spherical. The finished product is achieved after a process of treatment and selection.
Chemical Composition
| Carbon | 0.85% - 1.2% |
| Manganese | 0.60% - 1.2% |
| Silicon | 0.40% Minimum |
| Sulfur | 0.05% Maximum |
| Phosphorous | 0.05% Maximum |
| Density | 7.4 G/CC Minimum |
| Microstructure | Finely tempered Martensite |
| Hardness | 40-50 HRC special : 50-55 HRC 55-60 HRC |
STEEL SHOT GRADES, SIZES, FINISHES & APPLICATIONS |
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SHOT GRADE |
FINISHING |
APPLICATIONS |
| S - 70 S - 110 S - 170 |
Fine, Smooth shot finsih. Excellent coverage. | Blasting of relatively small ferrous, non ferrous casting & machined parts. Removal of light scale from foreign, heat treated parts, mill scale, rust and other deposits. |
| S - 230 S - 280 S - 330 |
Medium, Light shot finish. Good coverage. | Blasting of grey iron, malleable iron, light steel castings, medium forgings, heat treated parts, heavy mill scale rust and other deposits. |
| S - 390 S - 460 S - 550 |
Average to heavy shot finish. Average coverage. | Blasting of steel, heavy malleable iron and grey iron castings. Removal of scale from large billets, slabs-rust. |
| S - 660 S - 780 |
Rough coverage. Adequate for most applications. | Heavy steel castings. Removal of tough, heavy scale. |
