China Grinding Casting Ball, China Grinding Casting Ball
Specification of Cast Grinding Ball Nominal Diameter Diameter Tolerance Weight of Single Ball In Average Numbers of Per Ton Ball In Average (mm) (Inch) (mm) (g) 20 +2 1 32 31250 25 1 64 15625 30 110 9090 40 263 3802 50 2 513 1949 60 +3 2 888 1126 70 1410 709 80 2104 475 90