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Ultra High Chrome Cast Grinding Balls Cr 20%-36% Extreme Hardness 60-65HRC Low Breakage For Ball Mill Mining
Product Spotlights
Ultra-high chrome cast grinding balls, Cr 20%-30%. Hardness 60-65 HRC, impact ≥2.5 J/cm², breakage ≤0.5%. Advanced heat treatment for maximum wear resistance. Ideal for highly abrasive ores and SAG mills. ISO certified.
US$ 600 - 1200
MOQ: 34 Metric Tons
Key Specifications
Get Latest Price
Material:
Iron
Type:
Grinding Ball
Application:
Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard, Other
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
30 days
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Material
Iron
Type
Grinding Ball
Application
Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard, Other
Standard
GB, ASTM, AISI, Other, ISO9001, ISO14001, ISO45001
Cr Content
20%-30%
C Content
2.5%-3.5%
Diameter
φ20-100mm
Surface Hardness
60-65 HRC
Core Hardness
≥58 HRC
Impact Value
≥2.5 J/cm²
Breakage Rate
≤1.0%
Heat Treatment
Oil Quenching + Tempering
Microstructure
Martensite + Carbide
Certification
ISO9001, ISO14001, ISO45001
Transport Package
Steel Drum / Ton Bag
Specification
Dia φ20-100mm; Hardness 60-65 HRC; Cr 20%-30%
Trademark
Ninghua Feng
Origin
Ningguo City, Anhui, China
Ultra-High Chrome Cast Grinding Balls – Extreme Hardness for Highly Abrasive Ores
Product Description
Ningguo Huafeng supplies ultra-high chrome cast grinding balls with chromium content from 20% to 30%, achieving surface hardness up to 65 HRC. These balls are designed for the most demanding grinding conditions, including SAG mills processing highly abrasive ores.
Key Technical Parameters
- Diameter: φ20mm – φ100mm
- Surface Hardness: 60 – 65 HRC
- Core Hardness: ≥58 HRC
- Impact Value: ≥2.5 J/cm²
- Breakage Rate: ≤0.5%
- Chromium Content: 20% – 30%
- Heat Treatment: Oil Quenching + Tempering
- Microstructure: Martensite + M7C3 Carbide
Applications
SAG mills, highly abrasive iron ore, copper ore, gold ore, and other hard rock mining.
Contact us for a quote.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2004
Overseas Office
Yes
Factory Size
Above 100,000 square meters
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