... Iron grit, Steel cut wire shot, Stainless steel shot, Copper shot, Zinc shot, Aluminum shot, etc. TAA metal abrasive ... type steel, steel structure. Shot peening: Shot peening of gear, heat treated parts. Shot blasting: Shot blasting of profile steel, ship ... 0.030Hardnesssteel shotHRC40-50HRC55-62HRC44-48HRC58-62Densitysteel shot≥7.20 g/cm37.4g/cm3MicrostructureTempered ... S460 (1.4mm)--for shot blasting