cast grinding ball
Product Quick Detail
- Place Of Origin
- China (Mainland)
- Minimum Order
- 26
- Packaging
- 1ton/bag
- Delivery
- 15 Days
Specifications
High chromium balls are widely used steel balls, mainly used in metallurgical mines, cement plants, thermal power generation and other industries. High chromium balls have the characteristics of high hardness, low wear and less breakage, and are favored by customers.
Product specifications
Φ10-150mm
Application fields
various metal mines (gold mine, copper mine, iron mine, molybdenum mine, alumina mine, lead-zinc mine), cement plant, power plant and other grinding industries.
Chemical composition
| Name | Type | Chemical composition | ||||||||
| C | Si | Mn | Cr | P | S | Mo | Ni | Cu | ||
| High chromium balls | ZQCr10 | 2.0~3.3 | 0.3~1.20 | 0.3~1.5 | 10~11 | ≤0.10 | ≤0.06 | Trace | Trace | Trace |
| ZQCr15 | 2.0~3.3 | 0.3~1.20 | 0.3~1.5 | 15~16 | ≤0.10 | ≤0.06 | Trace | Trace | Trace | |
| ZQCr20 | 2.0~3.3 | 0.3~1.20 | 0.3~1.5 | 20~21 | ≤0.10 | ≤0.06 | Trace | Trace | Trace | |
| ZQCr25 | 2.0~3.3 | 0.3~1.20 | 0.3~1.5 | 25~26 | ≤0.10 | ≤0.06 | Trace | Trace | Trace | |
| Other grades are temporarily omitted, please contact the staff for details. |
Analysis of mechanical properties and metallographic structure:
| Name | Type | Surface hardness（HRC） | Impact value（AK J/c㎡） | Metallographic structure | Falling ball impact fatigue life（3.5M） | |
| High chromium balls | ZQCr10-ZQCr28 | 58~66 | ≥4 | M+C | ≤80 | 15000 |
| ≥80 | 10000 | |||||
| M-Martensite,C-Carbide |
process characteristics
1. The raw materials are all bearing steel scraps, which contain copper, molybdenum, nickel and other precious metal elements, which can effectively improve the basic structure of the product, make the grain more refined and the structure more compact. The sulfur and phosphorus content of the product is extremely low, and the product is not easy to peel off and deform during use; the surface is smooth and round.
2. Adopt single refining process. All products are processed and produced by intermediate frequency electric furnace, which effectively guarantees the stability of melting temperature.
3. The fully automatic pusher type heat treatment oil quenching production line is adopted, with advanced technology and good hardenability. The uniformity of hardness of the product is greatly improved, and the relationship between hardness and toughness is improved, thereby improving the wear resistance of the product.
- Country: China (Mainland)
- Business Type: Manufacturer
- Market:Africa,Americas,Europe
- Founded Year:2018
- Address:
- Contact:walter liu
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