Jinan Huafu Forging Joint-Stock Co.,ltd.
Grinding Media Manufacturer
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Grinding Cylpebs Ball mill grinding media high chrome grinding steel cylpebs HS code 73259100
Huafu steel ball products are manufactured strictly according to the industry standard, received the customer's unanimous praise, and have been certified by ISO and SGS.To improve the quality of steel ball, my company adjusted the original production equipment, independent research and development of the new-type steel ball equipment roll forging machine, rolling mill, hot cutting machine and the speed reducer, and obtained the patent. In 2015, Huafu steel ball trademark application registered successfully.
The Specification of Casting Steel Ball
Low Chrome Casting Steel Ball
Chrome Concentration is 1-3%, hardness ≥ HRC 45, impact value ≥1J/CM^2, this steel ball is called low chrome grinding balls, which is made by smelting in intermediate frequency electric furnace, metal mould or sand casting process. It applies to metallurgic mines and slag industries where no high grinding accuracy or wearability is required.
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Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 2.1-3.6 | 1.5max | 0.3-1.5 | 1.0-3.0 | ≤0.8 | ≤1.0 | ≤0.10 | ≤0.10 | ||
| Size | 17mm-150mm(0.8inch-6inch) | ||||||||
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Hardness | Serious | Hardness | |||||||
| Standard Hardness | >45HRC | ||||||||
| Impact Value | ≥1.5J/CM^2 | ||||||||
| Balls Number | ≥10000times | ||||||||
| Microstructure | P+C(C-Pearlite M-Martensite ) | ||||||||
Medium Chrome Casting Steel Ball
Middle chrome grinding balls chrome concentration is 4-6%, hardness ≥ HRC 48, impact value ≥2J/CM^2Middle chrome grinding ball have a better performance than complex alloy ball.
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Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 2.1-3.3 | 1.5max | 0.3-1.5 | 4.0-6.0 | ≤0.8 | ≤0.10 | ≤0.10 | ≤0.10 | ||
| Size | 20-150mm(0.8inch-6inch) | ||||||||
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Hardness | Serious | Hardness | |||||||
| Standard Hardness | >50HRC | ||||||||
| Impact Value | ≥3J/CM^2 | ||||||||
| Balls Number | ≥12000times | ||||||||
| Microstructure | M+C(C-Carbide M-Martensite ) | ||||||||
High Chrome Casting Steel Ball
High chrome casting grinding ball, chrome concentration is 10%-24%, hardness ≥HRC58, impact value ≥3.5J/CM^2. High chrome casting grinding ball is one of the wearable steel ball with better performance-price-ratio, and its extensive usage has won itself a high share in the market.
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Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 2.0-3.3 | 1.2Max | 0.3-1.5 | 10.0-24.0 | ≤0.1.2 | ≤0.10 | ≤0.10 | ≤0.10 | ||
| Size | 20-150mm(0.8inch-6inch) | ||||||||
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Hardness | Serious | Hardness | |||||||
| Standard Hardness | >58HRC | ||||||||
| Impact Value | ≥5J/CM^2 | ||||||||
| Balls Number | ≥15000times | ||||||||
| Microstructure | M+C(C-Carbide M-Martensite ) | ||||||||