SGS Customized forged steel grinding ball Iron Grinding Balls for cement plant
We are one of the largest factory specialized in producing Forging Grinding Media Ball, Rolling Grinding Media Balland Casting Grinding Media Ball in China. It was founded in 1998, located in Zhangqiu City, Shandong Province, China. Annual Production Capacity is 100,000 metric ton. There are 120 employees, covering an area of 15,000 square meters. Our products have been exported to more than 30 countries and got a lot of praise. We have large-scale production workshop, advanced production equipment and perfect quality assurance system. Our company has passed ISO9001:2000 quality system authentication and we always keep sincere service promise.
1. Features of forging grinding media balls:
1). Even high hardness
2). Good wear-resistance
3). Unbreakable
4). High impact value
5). Production Capacity: 50,000mt per year
6). Low price
2. Applied fields of forged grinding balls: a) Mines; b) Cement plants; c) Power stations; d) Chemical industry
3. Raw Materials: B2; B3; B4; 60Mn
4. Specifications of our products as follows:
Material | C | Mn | Si | Cr | S | P |
45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.25 | ≤0.025 | ≤0.025 |
60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.025 | ≤0.025 |
65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
40Cr | 0.37-0.44 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 | ≤0.035 | ≤0.035 |
Ball diameter | Diameter tolerance | Weight of single ball in average | Number of piece of one ton ball in average | Surface hardness | Core hardness | Impact toughness |
(mm) | (mm) | (g) | (pcs) | (HRC) | (HRC) | (J/cm2) |
Φ20 | +2,-1 | 32 | 31250 | 60-67 | 57-62 | ≥12 |
Φ25 | +2,-1 | 64 | 15625 | 60-67 | 57-62 | ≥12 |
Φ30 | +2,-1 | 110 | 9090 | 60-67 | 57-62 | ≥12 |
Φ40 | +2,-1 | 263 | 3802 | 60-67 | 57-62 | ≥12 |
Φ50 | +2,-1 | 513 | 1949 | 60-67 | 57-62 | ≥12 |
Φ60 | +3,-2 | 888 | 1126 | 58-65 | 50-56 | ≥12 |
Φ70 | +3,-2 | 1410 | 709 | 58-65 | 50-56 | ≥12 |
Φ80 | +3,-2 | 2104 | 475 | 58-65 | 50-56 | ≥12 |
Φ90 | +3,-2 | 2996 | 333 | 58-65 | 50-56 | ≥12 |
Φ100 | +3,-2 | 4110 | 243 | 58-65 | 50-56 | ≥12 |
Φ110 | +4,-2 | 5457 | 182 | 55-63 | 48-55 | ≥12 |
Φ120 | +4,-2 | 7102 | 140 | 55-63 | 48-55 |
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