Characteristics: 1) High hardness 2) Good wear-Resistance 3) No breaking 4)No mal-roundness Our ... Forged ball: HRC 50~60C). Characteristics: 1) High hardness 2) Good wear-Resistance 3) No breaking4)No mal-roundnessD). Applied fields:1 ... stations4) Chemical industryE).Chemical Composition.High Cr balls: C:2.0~3.2,Si≤1.0, Mn≤1.5, Cr: 10~ ... 08.Low Cr balls: C:2.0~3.0,Si≤1.2,Mn≤1.5, Cr: 1.0~2.2, Mo ≤1.0, ...