Thesteel Ball, die wir produzieren hasfollowingadvantages:wear-resistant,permanentinshape,cracking-proof,whichcanbewidelyusedinlargescalemine,powerplant,cementplantandtheother industry.Thereisalmostnobreakagewhenballimpactmorethan200,000times.Actual breakagerateislessthan1%. Nominaldiameter (mm) (ins) Theoreticaldiameter (mm) Approx.MassperBall g AveragenumberofBallsperMT Diametricaltolerance (mm) 251 26,0 72 13.900 +1,5 -2,0 301 & frac14; 31,2 125 8.000 35 36,1 198 5.050 401 & frac12; 41,6 296 3.380 451 & frac34; 46,8 421 2.380 +1,5 -2,5 502 52,0 578 1.730 552 & frac14; 57,2 769 1.370 602 & frac12; 62,4 999 1.000 65 67,6 1.270 790 +1,5 -3,5 702 & frac34; 72,8 1.586 630 753 78,0 1.951 510 803 & frac14; 83,2 2.367 420 853 & frac12; 88,4 2.839 350 +1,5 -4,5 903 & frac34; 93,6 3.371 300 100 98,8 3.964 250