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Product Details:
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| Certification: | ISO9001-2008,ISO14001,OHSAS18001 | Material: | Iron,High Cr Cast Iron |
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| Application: | Mine,Mining,Cement,Industry,Power Station | Hardness: | 60-65HRC |
| Product Name: | Chrome Cast Grinding Balls Grinding Casting Ball | ||
| High Light: | Cement Cast Iron Grinding Balls,Cast Iron Grinding Balls ISO9001,65HRC Ball Mill Grinding Media |
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Cast Iron Grinding Balls Grinding Media Balls Ball Mill Grinding Media Steel Grinding Ball
Huafu Group 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. The group company consists of Jinan Huafu Forging Co.,Ltd,Shandong Huafu Steel Ball Co.,Ltd and Jinan Xing Tigers of Papermaking Machinery Co.,Ltd.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, decorative wrought iron products and paper-making machinery. Our products having been produced strictly according to the ISO9001:2015 quality standard and are mainly used in mines, cement plants, building materials, power stations, chemical industry and steel mills, Well sold across China and exported to the United States, Chile, the UK, Brazil, South Africa, Australia, South Korea, India, Russia, Mexico, Malaysia, Laos, Vietnam and other dozens of countries and regions, our products got highly appreciated by our customers.
1.Diameter 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 | Diameter (mm) |
Hardness (HRC) |
Breakage rate | Impact value (J/cm²) |
Drop times (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 | >58 | <1% | >3 | ≥12000 | M+C | |
| ZQCr5 | 17-150 | >47 | <1% | >2 | ≥10000 | M+C | |
| ZQCr2 | 17-150 | >45 | <1% | >1.5 | ≥8000 | P+C |
1.Diameter tolerance and Length tolerance
| Diameter(mm) | 8x10 | 10x12 | 12x14 | 14x16 | 16x18 | 18x20 | 20x25 |
| 25x30 | 30x35 | 35x40 | 40x45 | 45x50 | 50x55 | 55x60 | |
| Diameter tolerance(mm) | +1,-1 | ||||||
| Length tolerance(mm) | +2,-2 | ||||||
2.Chemical composition
| Name | Brand | Chemical composition(%) | ||||||||
| C | Si | Mn | Cr | Mo | Cu | Ni | P | S | ||
| Chrome alloy casting steel cylpebs | 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 | Diameter (mm) |
Hardness (HRC) |
Breakage rate | Impact value (J/cm²) |
Drop times (times) |
Micro structure |
| Chrome alloy casting steel cylpebs |
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 | >58 | <1% | >3 | ≥12000 | M+C | |
| ZQCr5 | 17-150 | >47 | <1% | >2 | ≥10000 | M+C | |
| ZQCr2 | 17-150 | >45 | <1% | >1.5 | ≥8000 | P+C |
Contact Person: Mrs. Anne Wang
Tel: 86-15650016520
