chrome casting ball grinding media
chrome casting ball grinding media
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 rodsmill 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.
1. Diameter tolerance and roundness
| Diameter | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 125 | 150 |
| Tolerance(mm) | ±2 | +3,-2 | +4,-3 | +5,-4 | ||||||||
| Roundness(%) | ≤2 | ≤3 | ≤4 | ≤5 | ||||||||
2.Chemical composition
| Brand | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | Ni(%) |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.80 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| 60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| U71MN | 0.65-0.76 | 0.17-0.37 | 1.10-1.40 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| 40Cr | 0.37-0.45 | 0.17-0.37 | 0.50-0.8 | 0.80-1.1 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.80-1.2 | 0-0.03 | 0.15-0.25 | 0-0.035 | 0-0.035 | 0-0.30 |
| 70Cr2 | 0.65-0.75 | 0.20-0.30 | 0.75-0.90 | 0.55-0.70 | 0-0.25 | 0-0.30 | 0-0.030 | 0-0.030 | 0-0.30 |
| 40Mn2 | 0.37-0.44 | 0.17-0.37 | 1.4-1.8 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.30 | 0-0.30 |
| B-2 | 0.70-0.80 | 0.17-0.37 | 0.70-0.80 | 0.40-0.60 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| B-3 | 0.58-0.66 | 1.2-1.8 | 0.65-0.80 | 0.70-0.90 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| B-4 | 0.60-0.65 | 1.6-1.7 | 0.7-0.8 | 0.7-0.8 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| B-6 | 0.75-0.85 | 0.2-0.40 | 0.9-1.0 | 0.85-0.95 | 0-0.25 | 0.06-0.13 | 0-0.035 | 02-0.035 | 0.06-0.13 |
| B-6A | 0.82-0.95 | 0.20-0.40 | 0.92-1.02 | 0.80-0.95 | 0-0.25 | 0.06-0.10 | 0-0.035 | 0-0.035 | 0.06-0.10 |
| B-7 | 0.35-0.40 | 0.17-0.37 | 0.7-0.8 | 0.9-1.0 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 |
| BU | 0.95-1.05 | 0.17-0.37 | 0.9-1.10 | 0.40-0.60 | 0-0.15 | 0-0.05 | 0-0.035 | 0-0.035 | 0-0.30 |
3.Technical specification
| Brand | Breakage rate | Hardness (HRC) | Impact value (J/cm²) | Drop times | Micro structure |
| 45# | <1% | ≥45 | ≥12 | ≥8000 | M+C |
| 60Mn | <1% | ≥55 | ≥12 | ≥12000 | M+C |
| 65Mn | <1% | ≥58 | ≥12 | ≥12000 | M+C |
| U71MN | <1% | ≥58 | ≥12 | ≥12000 | M+C |
| 40Cr | <1% | ≥55 | ≥12 | ≥12000 | M+C |
| 42CrMo | <1% | ≥55 | ≥12 | ≥12000 | M+C |
| 70Cr2 | <1% | ≥58 | ≥12 | ≥12000 | M+C |
| 40Mn2 | <1% | ≥55 | ≥12 | ≥12000 | M+C |
| B-2 | <1% | ≥58 | ≥12 | ≥15000 | M+C |
| B-3 | <1% | ≥60 | ≥12 | ≥15000 | M+C |
| B-4 | <1% | ≥60 | ≥12 | ≥15000 | M+C |
| B-6 | <1% | ≥60 | ≥12 | ≥15000 | M+C |
| B-6A | <1% | ≥60 | ≥12 | ≥15000 | M+C |
| B-7 | <1% | ≥60 | ≥12 | ≥15000 | M+C |
| BU | <1% | ≥60 | ≥12 | ≥15000 | M+C |
Production process of Forged steel ball
20mm-40mm hot rolling steel ball production line
40mm-60mm hot rolling steel ball production line
2)80mm-120mm Semi automatic production line of hot forging steel ball
Cutting raw material→furnace heating→forging→enter into rolling ball machine→Isothermal system→quenching system→steel ball sweltering self tempering device→finished product steel ball
3)Traditional production line of forged steel ball
Cutting raw material→furnace heating→forging→Isothermal system→quenching system→steel ball sweltering self tempering device→finished product steel ball
| 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.
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