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March 19, 2024
Deployed in a cement clinker grinding mill, these high-chromium cast grinding balls feature stable hardness and low breakage. They help us maintain consistent grinding output and lower long-term consumable costs.
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High Chrome Casting Grinding Media for Gold Mining
This type of grinding balls are produced with different chemistries、 steel and cast iron, with chrome contents ranging from 1% to 32% and sizes ranging from 4.8mm to 150mm. Different heat-treatment cycles are used to impart specific metallurgical properties depending on the intended application. Whether the predominant wear mechanism is abrasion, corrosion or impact, NINGHU can offer a product to suit.
Product Description
What is High Chrome Casting Grinding Media for Gold Mining?
Efficiency, productivity, and cost-effectiveness are ongoing priorities in the gold mining industry. Even slight enhancements to equipment can lead to significant revenue increases in this competitive market. High Chrome Casting Grinding Media stands out for its exceptional grinding performance, playing a pivotal role in extracting precious metals from ores. As a leading manufacturer and supplier of High Chrome Casting Grinding Media, NINGHU is dedicated to providing meticulously crafted products tailored to meet the demanding requirements of gold mining operations.
Advantages and Features
- Superior Resistance to Wear: High Chrome Casting Grinding Media for Gold Mining is extremely resistant to wear, ensuring long service life even in the most challenging grinding conditions.
- High Density: Our grinding media, which has a hardness of 58 to 65 HRC, effectively resists abrasive forces and maintains its shape and size over time.
- Microstructure that is optimized: Our grinding media achieves a refined microstructure through precise alloying methods, increasing toughness and impact resistance while minimizing breakage.
- Performance that is consistent: In order to guarantee consistent performance in every application, each batch of High Chrome Casting Grinding Media undergoes stringent quality control measures to ensure uniform hardness, size, and shape.
- Productivity Gained: Our media's superior grinding efficiency results in increased throughput rates, decreased grinding time and energy consumption, and increased overall productivity.
Technical Parameters
| Mechanical Properties and Microstruture | |||||
| Name | Designation | HRC | Impact Value (J/cm²） |
Microstruture | Falling Times |
| Special High Chromium Alloy Casting Grinding Balls | ZQCr26 | ≥60 | ≥4.0 | M+C | ≥20000 |
| ZQCr20 | ≥60 | ≥4.0 | M+C | ≥20000 | |
| Ultra-high Chromium Alloy Casting Grinding Balls | ZQCr15 | ≥60 | ≥4.0 | M+C | ≥20000 |
| Ordinary High Chromium Alloy Casting Grinding Balls | ZQCr12 | ≥58 | ≥3.5 | M+C | ≥18000 |
| Medium Chromium Alloy Casting Grinding Balls | ZQCr8 | ≥48 | ≥2.5 | P+C | ≥12000 |
| ZQCr5 | ≥47 | ≥2.0 | P+C | ≥12000 | |
| Low Chromium Alloy Casting Grinding Balls | ZQCr2 | ≥45 | ≥2.0 | P+C | ≥10000 |
| Carbide Ductile Iron Grinding Balls | ZQCADI | ≥50 | ≥2.0 | P+C | |
| M-Martensite P-Pearlite A-Austenite C-Carbide | |||||
Process Flow
- Raw Material Preparation: High-quality raw materials, like carbon, chromium, and iron, are carefully chosen and mixed to create the ideal alloy composition.
- Melting and Combining: In electric arc furnaces, the combined materials are combined and alloying elements are added to achieve the desired chemical composition.
- Casting: The molten alloy is poured into molds and forged or cast into the desired shape and size to create cylindrical billets.
- The use of heat: Heat treatment techniques like quenching and tempering are utilized in order to enhance the microstructure and hardness of the cast grinding media.
- Assurance of Quality: Each batch of grinding media goes through stringent quality control tests like hardness testing, microstructure analysis, and dimensional inspection to make sure it meets strict quality standards.
Application Fields
- Gold Mining: High Chrome Casting Grinding Media is extensively used in gold mining operations for ore grinding, where precision and durability are paramount.
- Cement Industry: Our grinding media finds applications in cement mills, contributing to improved grinding efficiency and reduced maintenance costs.
- Power Plants: In coal-fired power plants, our media assists in pulverizing coal to fine particles, facilitating efficient combustion.
Self-developed Factory
NINGHU stands as a pioneering enterprise with over 30 years of experience specializing in the production of wear-resistant materials. As a high-tech enterprise and a governing unit of the China Foundry Association, we boast ISO9001 certification and serve as designated suppliers for major domestic import and export companies. Our state-of-the-art facility features advanced fully automated production lines with an annual capacity of 50,000 tons, ensuring consistent quality and timely delivery to meet the diverse needs of our global clientele.
After-sales Service
At NINGHU, customer satisfaction is paramount. Our after-sales service encompasses prompt response to inquiries, technical support, and assistance in optimizing grinding processes to maximize efficiency and productivity. With a dedicated team of professionals, we strive to exceed customer expectations by offering tailored solutions, timely maintenance, and continuous improvement initiatives.
Contact Us
As a professional manufacturer and supplier of High Chrome Casting Grinding Media for Gold Mining, NINGHU is committed to delivering excellence and innovation to various industries worldwide. With our own factory, customizable solutions, ample inventory, and swift delivery, we stand as your trustworthy partner in providing high-quality wear-resistant solutions. For inquiries and partnerships, contact us at sunnyqin@nhgrindingmedia.com. Trust NINGHU for superior performance and reliability in your grinding operations.