cast or forged grinding steel balls
cast or forged grinding steel balls
Our Address: Zhangqiu city,Shandong province
Our company area:80000square meters area
Our employees:over 100
Annual production capacity:100000 tons
Registered capital:50 million yuan.
Main products:forged steel ball,casting iron ball,steel cylpebs ,grinding rod,mill liners,steel,hammerhead,automatic production line of steel ball &grinding rod and decorative wrought iron products.
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 |
Huafu Culture:The most honest and excellent partnering with Huafu
Our tenet:Credit first,standard operation,quality guaranteed,double win.
Our mission:Forge famous brand and high technology enterprise of China,produce high quality products favoured by home and aboard.
Our spirit:Pioneering,innovation,develop based on the market;high quality,high efficiency,serve our customer with full heart.
Our core value:Practical,forge ahead,customer first,quality excellence.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.