Beneficiation of coal grinding mill with a ball high ball Gong Jingli: 13953120393 Jinan Public peacekeeping Casting Ball Co. was founded in 2000, is specialized in the production and sale of grinding steel balls manufacturers. We rely on advanced production equipment and production technology, the production of steel balls with high hardness, resistance to grinding, crushing rate, without losing a round and other notable features, Jinan Public dimension grinding steel balls are widely used in cement, mining, mineral processing, power generation, chemical and other fields. Products exported to Japan, South Korea, South Africa, Zambia, Malaysia, the Philippines, Australia and more than 20 countries and regions. Grinding steel balls Description: grinding steel balls, a ball mill for grinding medium for crushing mill material. Grinding steel balls Category: Forged steel balls, casting steel ball Jinan Public peacekeeping Forging Steel Co., Ltd. Main Products: grinding ball, grinding steel balls, forged steel balls, forged steel balls, casting steel ball, ball , grinding media, high chrome ball, low-chrome ball chrome ball, grinding rods, ball mill ball, casting and forging steel ball, forging ball, casting ball, ball. Jinan Public dimension grinding steel balls Product Description: 1. Forged steel ball (diameter: 20mm-150mm)) Material: C45,60Mn, 65Mn, B2 Name Material C Mn Si Cr SP hardness ZW-1 45 # steel 0.48-0.56 0.70-1.0 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 HRC50-55 ZW-2 60Mn 0.57-0.65 0.7-1.0 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 HRC52-60 ZW-3 65Mn 0.60-0.70 0.9-1.2 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 HRC52-60 ZW-4 B2 0.7-0.85 0.7-0.8 0.17-0.37 0.2-0.7 ≤0.03 ≤0.03 HRC58-64 2. casting ball (diameter: 20mm-150mm) Material: high chromium, low chromium, chromium in the name of Material C Mn Si Cr SP hardness ZW-10 high chrome ball 2.2-3.2 ≤1.0 11-14 0.5-2.5 ≤0.06 ≤0.08 HRC58-64 ZW-11 chrome ball 2.1-3.2 ≤1.2 5-10 0.5-1.5 ≤0.06 ≤0.08 HRC52-62 ZW-12 low chrome ball 2.2-3.5 ≤1.2 1.5-3.0 0.5-1.5 ≤0.06 ≤0.08 HRC≥46 Diameter: 20mm-150mm Packaging: drums, tons of bags