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High Chrome Casting Grinding Balls for iron Mining

High Chrome Casting Grinding Balls for iron 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.

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What is High Chrome Casting Grinding Balls for iron Mining?

High Chrome Casting Grinding Balls for iron Mining are essential components for iron mining operations, renowned for their durability, reliability, and efficiency in pulverizing ore materials. Crafted with precision and engineered for superior performance, these grinding balls play a pivotal role in mineral processing, ensuring optimal grinding efficiency and reduced operational costs.

Advantages and Features

  1. Exceptional Wear Resistance: It exhibit remarkable resistance to wear and abrasion, ensuring prolonged lifespan and reduced replacement frequency.
  2. High Impact Toughness: Engineered to withstand high-impact forces, these grinding balls maintain their structural integrity even under rigorous operating conditions, minimizing breakage and ensuring consistent performance.
  3. Superior Grinding Efficiency: With precisely engineered geometries and surface characteristics, these grinding balls facilitate efficient ore pulverization, resulting in enhanced throughput and reduced energy consumption.
  4. Uniform Hardness Distribution: Rigorous quality control measures ensure uniform hardness distribution throughout the grinding balls, delivering consistent and predictable grinding performance.
  5. Corrosion Resistance: The high chrome content enhances the corrosion resistance of these grinding balls, making them suitable for harsh operating environments and acidic conditions.
  6. Cost-Effective Solution: By offering extended wear life and enhanced grinding efficiency, High Chrome Casting Grinding Balls for iron Mining deliver a cost-effective solution for iron mining operations, optimizing operational efficiency and reducing total cost of ownership.

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

  1. Raw Material Preparation: High-quality raw materials, including chromium, alloy steel, and other additives, are carefully selected and proportioned to meet stringent quality specifications.
  2. Melting and Casting: The raw materials are melted in electric furnaces at precise temperatures to form molten metal, which is then cast into spherical molds to create the initial shape of the grinding balls.
  3. Heat Treatment: The cast grinding balls undergo heat treatment processes such as quenching and tempering to enhance their mechanical properties, including hardness and toughness.
  4. Surface Treatment: Grinding balls are subjected to surface treatment processes such as shot blasting and polishing to ensure optimal surface quality and dimensional accuracy.
  5. Quality Control: Thorough quality control measures, including hardness testing, influence testing, and layered review, are executed at each phase of the assembling system to guarantee adherence to severe quality principles.

Application Fields

  1. Iron Ore Mining: They are widely used in iron ore mining operations for pulverizing ore materials and facilitating ore extraction processes.
  2. Copper Mining: These grinding balls are also utilized in copper mining operations for efficient ore grinding and processing.
  3. Gold Mining: High Chrome Casting Grinding Balls for iron Mining  play a crucial role in gold mining operations, ensuring efficient comminution of gold-bearing ores for subsequent extraction processes.
  4. Cement Industry: These grinding balls find applications in the cement industry for grinding clinker and other raw materials in cement manufacturing processes.

Self-Developed Factory

Our organization is a main maker having some expertise in the creation of wear-safe materials, with a rich history crossing more than 30 years. As a cutting edge undertaking and an overseeing unit of the China Foundry Affiliation, we are focused on conveying greatness in Research and development, creation, deals, and administration.Our ISO9001 quality system certification underscores our commitment to quality excellence, and our status as a designated supplier for major domestic import and export companies speaks volumes about our credibility and reliability. Outfitted with the most progressive completely robotized creation line, our plant brags a yearly creation limit 50,000 tons, guaranteeing brief conveyance and predictable inventory to meet the assorted requirements of our worldwide customer base.

After-Sales Service

  • Prompt Technical Support: Our team of experienced engineers provides prompt technical support and assistance to address any product-related queries or issues, ensuring uninterrupted operations and optimal performance.
  • Comprehensive Warranty Coverage: We offer complete guarantee inclusion for our items, giving true serenity and confirmation of item dependability and execution.
  • Efficient Spare Parts Supply: We maintain a ready inventory of spare parts to facilitate quick replacement and minimize downtime, ensuring continuous operation and productivity.
  • Tailored Solutions:Our group works intimately with clients to comprehend their novel prerequisites and proposition fitted answers for meet their particular necessities, guaranteeing greatest consumer loyalty and long haul organizations.
  • Continuous Improvement: We are focused on ceaseless improvement and advancement, endeavoring to upgrade item quality, execution, and dependability through continuous innovative work drives.

Contact Us

NINGHU is a professional manufacturer and supplier of High Chrome Casting Grinding Balls for iron Mining for iron mining. With our own factory, customizable solutions, ample inventory, and expedited delivery services, we are your trusted partner for high-quality wear-resistant solutions. Contact us at sunnyqin@nhgrindingmedia.com to learn more about our products and services.

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