Grinding media refers to the materials used in ball mills, cement mills, and mineral mills to assist in the grinding process. Common types include steel grinding balls, grinding cylpebs, and steel grinding rods. These media are typically manufactured from cast iron alloys or specially treated alloy round steel to ensure durability and performance in various milling applications.
What Are Forged Grinding Balls?
Forged grinding balls are high-quality steel balls manufactured through the hot forging process, primarily used in ball mills and SAG grinding mill systems in mining, building materials, chemical industry and other fields. Unlike cast grinding balls, our forged grinding media offers superior impact resistance and consistent hardness (58-64 HRC) throughout the cross-section.
Key Advantages of Our Forged Grinding Media
- Extended Service Life: 20-30% longer wear life compared to standard cast balls
- High Impact Toughness: Withstands repeated collisions without cracking
- Uniform Hardness: Through-hardened structure (surface to core)
- Custom Sizing: Available from 10mm to 150mm diameters
- Material Options: B2, B3, 60Mn, 65Mn steel alloys
Forged Grinding Media Chemical composition
| Brand | Chemical composition | |||||||
| C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 80# | 0.77-0.85 | 0.17-0.37 | 0.50-0.80 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 40Mn | 0.37-0.44 | 0.17-0.37 | 0.70-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 40Mn2 | 0.37-0.44 | 0.17-0.37 | 1.40-1.80 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 50Mn | 0.48-0.56 | 0.17-0.37 | 0.60-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 70Mn | 0.65-0.75 | 0.17-0.37 | 0.90-1.20 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 70Mn2 | 0.65-0.75 | 0.20-0.45 | 1.4-1.8 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 40Cr | 0.37-0.45 | 0.17-0.37 | 0.50-0.8 | 0.80-1.1 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| 70Cr2 | 0.65-0.75 | 0.20-0.30 | 0.75-0.90 | 0.55-0.70 | 0-0.25 | 0-0.30 | 0-0.030 | 0-0.030 |
| B1 | 0.52-0.65 | 0.17-0.37 | 0.60-1.2 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| B2 | 0.70-0.80 | 0.17-0.37 | 0.70-0.80 | 0.50-0.60 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| B2B | 0.58-0.65 | 0.17-0.37 | 0.90-1.0 | 0.60-0.65 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| B3 | 0.58-0.66 | 1.30-1.60 | 0.65-0.80 | 0.70-0.90 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| B4 | 0.60-0.65 | 1.60-1.70 | 0.70-0.80 | 0.70-0.80 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| B-6 | 0.75-0.85 | 0.2-0.40 | 0.90-1.0 | 0.85-0.95 | 0-0.25 | 0.06-0.13 | 0-0.035 | 0-0.035 |
| B-6A | 0.82-0.95 | 0.20-0.40 | 0.92-1.02 | 0.80-0.95 | 0-0.25 | 0.06-0.10 | 0-0.035 | 0-0.035 |
| B-7 | 0.35-0.40 | 0.17-0.37 | 0.70-0.80 | 0.90-1.0 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| BV | 1-1.06 | 0.17-0.37 | 0.9-1.0 | 0.55-0.65 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 |
| GCr15 | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | 1.30-1.65 | 0-0.25 | 0-0.10 | 0-0.027 | 0-0.20 |
Types of Forged Grinding Media
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.
| Grade | Model(mm) | Surface hardness(HRC) | Inner hardness(HRC) | Bulk hardness(HRC) | Impact value(Ak:J/cm2) | Metallographic structure | Falling BallImpact Fatigue Life (height 3.5 meters) | |
| SGFB-3 | φ40-中50 | 60-65 | 59-64 | 60-65 | ≥13 | M+B+C | 80≤φ≤150 | ≥10000 |
| φ60-φ80 | 60-65 | 58-63 | 60-65 | |||||
| φ90 | 59-64 | 59-63 | 59-63 | |||||
| φ100-φ120 | 53-58 | 47-52 | 50-55 | |||||
| φ125-φ130 | 51-56 | 45-50 | 47-52 | |||||
| φ140-φ150 | 48-53 | 40-45 | 45-50 | |||||
| M-Martensite,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 in gold and copper mines, as well as coal mills in power plants and grinding in the cement industry.
| Name | Grade | Surface hardness(HRC) | Impact value(Ak:J/cm2) | Metallographic structure |
| Forged grinding cylpebs | SGFC=1 | 50-60 | ≥11 | M+B+C |
| M-Martensite, B-Bainite,P-Pearlite, C-Carbide | ||||
focus on ferroalloy production, quality first!
Leave your requirements, FREE quotation!
call us: +8618837209569Why Choose Our Forged Grinding Balls?
- Advanced Manufacturing: Computer-controlled heat treatment ensures consistency
- Quality Assurance: 100% ultrasonic testing before shipment
- Global Logistics: Containerized shipments to 35+ countries
- Technical Support: Grinding efficiency consultation available
FAQs About Forged Mill Balls
Q: What’s the difference between forged and cast grinding balls?
A: Forged balls have higher density and impact resistance due to the forging process, while cast balls typically have surface porosity.
Q: How to determine the optimal ball size for my mill?
A: Depends on feed size and material hardness – our engineers can recommend sizes after reviewing your operational parameters.
Q: What packaging options are available?
A: Standard 1000kg steel drums or bulk containers with moisture-proof treatment.
Q: Minimum order quantity?
A: 20 metric tons for standard sizes, smaller quantities available for trial orders.
Hongshun Ball Mill Balls for Sale
Get competitive ex-factory prices on our premium ball mill grinding media. Pricing varies by product type, with exclusive discounts available on select items.
Ready to improve your grinding efficiency? Contact our technical team for a customized quotation based on your specific requirements and volume needs.
Related Products: Mill Liners | Grinding Media| Cast Grinding Balls
