STEEL SHOT
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CHEMICAL COMPOSITION The finished shot shall have the chemical compositions as follows:
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Standard Hardness The hardness of 90% of all shot particles shall be within the range of 40-50 HRc. (Rockwell C) General Appearance The steel shot shall be as nearly spherical as commercially possible and no more 20% of the shot particles shall have objectionable defects. Microstructure The microstructure of steel shot shall be uniform martensite, tempered to a degree consistent with the hardness range, with fine,well distributed carbides, if any. Density The density of steel grit shall be not less than 7.4 g/cc. |
| SIZE | CODE | APPLICATION |
|---|---|---|
| S-780 S-660 |
SB-25 SB-20 |
Blast cleaning of large steel & iron castings. |
| S-550 S-460 |
SB-17 SB-14 |
Blast cleaning of large and medium steel & iron castings. |
| S-390 S-330 |
SB-12 SB-10 |
Blast cleaning of medium and small steel & iron castings descaling and peening of forgings and plates. |
| S-280 | SB-8 | Blast cleaning of small and precision castings, descaling and peening of medium thin sheets. |
| S-230 S-170 S-110 |
SB-6 SB-5 SB-3 |
Blast cleaning of stainless steel, thin sheets, non ferous castings. |