Alloy Steel Grinding Balls for Mining and Cement Mills

Brand Name:Hengyang
Certification:ISO9001
Model Number:HC-624
Minimum Order Quantity:1
Delivery Time:15-20 days
Payment Terms:T/T
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Location: Zhengzhou Henan China
Address: 500m West, Cross road of Rizhao and Industrial Road, Mazhai Industrial Zone, Zhengzhou City, China
Supplier`s last login times: within 39 hours
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Product Details

Grinding media is a kind of carrier used in ball mill, cement mill, mineral mill and other equipment to help grind materials. Commonly used grinding media are steel grinding balls, grinding cylpebs, and steel grinding rods. The materials for making such grinding media are mostly cast iron alloys, alloy round steels, etc. that have been specially processed.

Cast grinding balls

  • Chromium content: 1% – 28%
  • Hardness: HRC40-60
  • Diameter: 10mm-150mm
  • Features: after heat treatment, it has high hardness, grinding resistance and no loss of roundness
  • Application: cast grinding balls are widely used in ball mill grinding systems in mining, cement, building materials, chemical industry and other fields.

Technical Details:

NameGradeSurface hardness(HRC)Bulk hardness(HRC)Impact value(Ak:J/cm2)Metallographic structureFalling Ball Impact Fatigue Life
(height 3.5 meters)
Low Chromium Grinding Balls
(LCCB)
ZQCR1, ZQCR2, ZQCR345-5045-49≥1.5P+C80≤φ≤1508000
ZQCR040-4540-44≥1.2P+C
P-Pearlite, C-Carbide
High Chromium Grinding Steel BallsZQCR10-ZQCR1258-6358-62≥3M+C80≤φ≤15010000
ZQCR13-ZQCR1659-6459-63
ZQRC17-ZQCR1960-6560-64
M-Martensite, C-Carbide

Forged grinding balls

  • Carbon content: 0.38% – 1.05%
  • Hardness: HRC48-65
  • Diameter: 10mm-150mm
  • Features: after quenching, it has high hardness, abrasion resistance and low damage rate
  • Application: forged grinding balls are widely used in ball mills and SAG grinding mill systems in mining, building materials, chemical industry and other fields.

Technical Details:

GradeModel(mm)Surface hardness(HRC)Inner hardness(HRC)Bulk hardness(HRC)Impact value(Ak:J/cm2)Metallographic structureFalling Ball Impact Fatigue Life
(height 3.5 meters)
SGFB-3
φ40-φ5060-6559-6460-65≥13M+B+C80≤φ≤150≥10000
φ60-φ8060-6558-6360-65
φ9059-6459-6359-63
φ100-φ12053-5847-5250-55
φ125-φ13051-5645-5047-52
φ140-φ15048-5340-4545-50
M-Martensite, C-Carbide

Cast grinding cylpebs

  • Chromium content: 1% – 28%
  • Hardness: HRC40-65
  • Specifications: φ10mm×H12mm – φ50mm×H60mm
  • Application: cast grinding cylpebs are widely used in ball mill grinding systems in cement, building materials, thermal power plants and other fields.

Technical Details:

NameGradeSurface hardness(HRC)Bulk hardness(HRC)Impact value(Ak:J/cm2)Metallographic structure
Low chromium cast grinding cylpebsZQCR1-ZQCR345-5045-49≥1.5P+C
ZQCR040-4540-44
P-Pearlite, C-Carbide

Forged grinding cylpebs

  • Carbon content: 0.35% – 0.70%
  • Hardness: HRC45-62
  • Specifications: φ20mm×H25mm – φ50mm×H60mm
  • Application: forged grinding cylpebs are commonly used for grinding non-ferrous metal ores such as gold and copper mines, as well as coal mills in power plants and grinding in cement industry.

Technical Details:

NameGradeSurface hardness(HRC)Impact value(Ak:J/cm2)Metallographic structure
Forged grinding cylpebsSGFC=150-60≥11M+B+C
M-Martensite, B-Bainite, P-Pearlite, C-Carbide
China Alloy Steel Grinding Balls for Mining and Cement Mills supplier

Alloy Steel Grinding Balls for Mining and Cement Mills

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