cast grinding steel balls supplier
cast grinding steel balls supplier
1.Diameter tolerance and Length tolerance
| Diameter(mm)
| Φ<30 | 30<Φ<60 | 60<Φ<80 | 80<Φ<100 | Φ>100 |
| Diameter tolerance(mm) | +1,-1 | +1.5,-1 | +2,-1 | +2.5,-1 | +3,-1 |
2.Chemical composition
| Name | Brand
| Chemical composition(%) | ||||||||
|
| C | Si | Mn | Cr | Mo | Cu | Ni | P | S | |
| Chrome alloy casting iron ball
| ZQCr26 | 2.0-3.3 | 1.2max | 0.3-1.5 | >23.0-30.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
| ZQCr20 | 2.0-3.3 | 1.2max | 0.3-1.5 | >18.0-23.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 | |
| ZQCr15 | 2.0-3.3 | 1.2max | 0.3-1.5 | >14.0-18.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 | |
| ZQCr12 | 2.0-3.3 | 1.2max | 0.3-1.5 | >10.0-14.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 | |
| ZQCr8 | 2.1-3.3 | 2.2max | 0.3-1.5 | 7.0-10.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.06 | |
| ZQCr5 | 2.1-3.3 | 1.5max | 0.3-1.5 | 4.0-6.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.10 | |
| ZQCr2 | 2.1-3.6 | 1.5max | 0.3-1.5 | 1.0-3.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.10 | |
3.Technical specification
| Name | Brand | (mm) Diameter | (HRC) Hardness | Breakage rate | (J/cm²) Impact value | Drop times | Micro structure |
| Chrome alloy casting iron ball
| ZQCr26 | 17-150 | >58 | <1% | >7 | ≥12000 | M+C |
| ZQCr20 | 17-150 | >58 | <1% | >6 | ≥12000 | M+C | |
| ZQCr15 | 17-150 | >58 | <1% | >5 | ≥12000 | M+C | |
| ZQCr12 | 17-150 | >58 | <1% | >3.5 | ≥12000 | M+C | |
| ZQCr8 | 17-150 | >55 | <1% | >3 | ≥12000 | M+C | |
| ZQCr5 | 17-150 | >47 | <1% | >2 | ≥10000 | M+C | |
| ZQCr2 | 17-150 | >45 | <1% | >1.5 | ≥8000 | P+C |
Production process of Chrome alloy casting iron ball
Raw material→Secientic proportioning→Electric furnace smelting→Assay before furnace→Mould forming→Polishing→Heat treatment→Packing
| Packaging | Diameter | Weight |
| Bag | 17-150mm | 1000kg/bag |
| Drum | 15-20mm | 1000kg/drum |
| 25-30mm | 950kg/drum | |
| 40-60mm | 900kg/drum | |
| 70-100mm | 850kg/drum | |
| 110-150mm | 800kg/drum | |
| Container | 17-150mm | 25tons |
We mainly produce grinding media in ball mill for many years. Jinan Huafu Forging Co., Ltd is located in Zhangqiu
City, Shandong Province, 45 Kilometers to the Jinan downtown, next to the 309 National Highway, enjoying
firsthand Information and convenient traffic. Our company covers 80000 square meters, with over 100 employees,
annual production capacity of 100000 tons and registered capital of seventy million yuan.
We mainly produces forged steel balls, cast iron balls, steel cylpebs, grinding rods, mill liners, steel, hammer heads, automatic production lines for steel balls & grinding rods and decorative wrought iron products.We have ability to
produce high quality and large quantity products.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.