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Global Supplier of High Chrome Cast Grinding Balls – Trusted by Mines & Cement Plants in 30+ Countries
Your Reliable Partner for Consistent Quality Grinding Media
Ningguo Huafeng Wear-Resistant Material Co., Ltd. has been supplying high chrome cast grinding balls to international customers since 2004. With exports to over 30 countries across five continents, we understand the documentation, logistics, and quality standards required for smooth global trade.
Product Specifications – Export Grade
- Material: High chromium alloy cast steel
- Cr Content: 10% – 30% (certificate provided per batch)
- Diameter: φ20mm – φ120mm
- Surface Hardness: 58 – 62 HRC
- Core Hardness: ≥56 HRC
- Impact Value: ≥3.0 J/cm²
- Breakage Rate: ≤1%
- Microstructure: Martensite + M7C3 Carbide
Quality Assurance – Every Batch Documented
| Test | Equipment | Report Provided | |------|-----------|-----------------| | Chemical Composition | German OBLF spectrometer | Yes – per batch | | Surface/Core Hardness | Rockwell tester | Yes – per batch | | Impact Toughness | Impact testing machine | Yes – per batch | | Microstructure | Metallographic microscope | Yes – per batch | | Breakage Resistance | Falling ball tester (>10,000 cycles) | Yes – per batch |
Global Logistics & Packaging
- Packaging: Steel drums (850-900kg) or ton bags (1000kg)
- Container loading: 20-25 tons per 20' container
- Ports: Shanghai, Ningbo, or Qingdao (customer choice)
- Lead time: 20-25 days after order confirmation
- Documentation: Commercial invoice, packing list, BL, CO, inspection certificate, etc.
Where Our Customers Are
We have shipped grinding balls to mining and cement operations in: - Africa: South Africa, Zambia, Ghana, Tanzania, Morocco
- Oceania: Australia, Papua New Guinea
- Asia: Indonesia, Philippines, Vietnam, Thailand, Malaysia, Kazakhstan, Uzbekistan
- South America: Chile, Peru, Brazil, Colombia
- North America: Canada, Mexico
- Europe: Turkey, Russia, Ukraine
How to Place an Export Order
1. Send inquiry with product specification, quantity, destination port
2. Receive proforma invoice with FOB price within 24 hours
3. Confirm order and arrange deposit (T/T or L/C)
4. Production (20-25 days)
5. Third-party inspection (optional – SGS, BV, etc.)
6. Shipment and document delivery
Request a Supplier Quote
Contact us with your destination port, estimated monthly quantity, and preferred ball diameter. We will provide a competitive FOB price, lead time, and sample policy.
Email us now – we respond within 24 hours, Monday to Saturday.
Send Inquiry to This Supplier
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