Casting ball casting grinding balls high, medium and low chrome steel balls manufacturers of high-quality steel balls, high hardness casting steel ball, not broken, superior performance is widely used in cement, power plants, mineral processing and other fields Name Material Chemical composition Hardness C Si Mn SP Cr HRC special high chrome cast steel ball 2.0-3.0 <1.0 0.5-2.0 ≤0.06 ≤0.08> 20 58-64 extra high chromium 2.0-3.0 <1.0 0.5-2.0 ≤0.06 ≤0.08> 15 58-64 high chromium 2.0-3.2 <1.0 0.5-2.5 ≤0.06 ≤0.08> 10 58-62 of Chromium 2.0-3.2 <1.0 0.5-2.5 ≤0.06 ≤0.08 ≥5 45-48 Low Chromium 2.2-3.4 ≤1.2 0.5-1.5 ≤0.06 ≤0.08 1.0-1.5 42-45 welcome inquiry! Gong Xuemei: 13953120393 E-mail: 848687422@qq.com