... precision&trustworthy quality 3.,material:AISI1010-1015 4.size:2mm-60mm 3.ISO 9001:2008 certif Carbon Steel Ball manufacture,carbon ... : G40, G60, G100, G200, G500, G1000, G20003) Size: 0.5mm- 60mm, non-standard size available4) Complying with the IS03290, AFBMA, DIN ... , chemical,griding media,polish and military related applications AISI1015(20-60MM) LOW carbon steel ball