forged and cast grinding steel balls

Shandong Zhongtian Industry Co., Ltd has engaged in the production of grinding balls, grinding rods, grinding material liners for about 20 years. Our products are highly populared by our customers. We have exported our grinding media to Southeast Asian, South American, North American and European areas. We have equipped the most advanced Automatic facilities for the production of forged grinding balls and cast grinding balls. We also install the international level standard rotary cutting, roll forging equipment. Zhongtian covers an area of 30000 square meters. our products as follows: 65Mn Forged Grinding ball Size: 20-180mm Hardness: HRC55-65 Chemical compasition C 0.52-0.65 Si:0.17-0.37 Mn0.6-1.2 S&P0.035Max Cr 0.25Max 2.RCAB Forged steel ball Size:20-180 Hardness: HRC58-65 Chemical compasition C: 0.72-0.82 Si: 0.17-0.37 Mn: 0.7-0.8 P: 0.035 max Cr: 0.28-0.60 3.High chrome cast grinding ball Size: 20mm-150mm Hardness: HRC 58-65 chrome content 12-30% Chemical compasition C:2.0-2.5 Si ≤ 1.0 Mn 0.5-1.5 S&P ≤0.10 Low chrome cast grinding ball Size: 20-150 Hardness: HRC 45-55 Chrome content 1.0-3.0% Chemical compasition C: 2.0-3.3 Si ≤1.2 Mn 0.5-1.5 S&P≤0.15 Medium chrome cast grinding ball