... , 0.3mm, 0.4mm, 0.5mm, 1.6mm, 0.8mm, 1.0mm. 1.5mm, 2.0mm, 2.5mm Stainless steel shot, 0.3mm, 0.4mm, 0.5mm, 1.6mm, 0 ... .8mm, 1.0mm Copper and Aluminum shot, 0.3, 0.4, 0.5, 0.6, 0.8, 1.0, 1 ... .70-1.0Mn0.60-1.200.75-1.0S<0.05<0.030P<0.05<0.030Hardnesssteel shotHRC40-50HRC55-62HRC44-48HRC58-62Densitysteel shot≥7 ...