... machine 2.national standards 3.long service life 1. Description: Stainless Steel Shot is a cast austenitic ... 1-0.2mm, 0.1-0.3mm, 0.2-0.4mm, 0.4-0.8mm, 0.6-1.0mm, 0.7-1.25mm,1.0-1.4mm,1 ... .25-1.7mm,1.4-2.0mm,1.7-3.0mm. 3. Appearance: round , shining ... .03%Cr17-19%Ni7-10%HardnessHRC32-42microstructureFerrite / AusteniteProfileSphericalDensity≥7.20g/cm37.Pictures: