Welcome to Changsha Mining Equipment Co., Ltd.
Forged Steel Ball
- High hardness impact resistance
- Low breakage rate longevity
- Consistent wear performance durability
- Cost-efficient grinding productivity
FORGED STEEL BALL
High-Performance Grinding Media for Mining Industry
Product Overview
Our forged steel balls are premium grinding media designed for extreme durability and performance in mining operations. Manufactured with precision engineering and stringent quality control, these balls offer exceptional wear resistance and impact toughness for various milling applications.
HIGH HARDNESS
Surface hardness: HRC 58-65, Volume hardness: HRC 56-63
IMPACT TOUGHNESS
Impact toughness: >15 J/cm²
LOW BREAKAGE
Breakage rate: <0.5%
DROP TEST
Withstands >15,000 drops
Technical Parameters
| Texture | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
|---|---|---|---|---|---|---|---|---|
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0-0.25 | 0.25max | 0.30max | 0.035max | 0.035max |
| 50Mn | 0.48-0.56 | 0.17-0.37 | 0.60-1.0 | 0-0.25 | 0.25max | 0.30max | 0.035max | 0.035max |
| 60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.0 | 0-0.25 | 0.25max | 0.30max | 0.035max | 0.035max |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.0 | 0-0.25 | 0.25max | 0.30max | 0.035max | 0.035max |
| 70Cr2 | 0.65-0.75 | 0.20-0.30 | 0.75-0.90 | 0.55-0.70 | 0.25max | 0.30max | 0.035max | 0.035max |
| 40Cr | 0.37-0.45 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.25max | 0.30max | 0.035max | 0.035max |
| B-2 | 0.70-0.80 | 0.17-0.37 | 0.70-0.80 | 0.50-0.60 | 0.25max | 0.30max | 0.035max | 0.035max |
| B-3 | 0.58-0.66 | 1.30-1.90 | 0.65-0.80 | 0.70-0.90 | 0.25max | 0.30max | 0.035max | 0.035max |
| B-4 | 0.60-0.65 | 1.60-1.70 | 0.70-0.80 | 0.70-0.80 | 0.25max | 0.30max | 0.035max | 0.035max |
| B-6 | 0.75-0.85 | 1.20-1.40 | 0.90-1.0 | 0.85-0.95 | 0.25max | 0.06-0.13 | 0.035max | 0.035max |
| GCr15 | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | 1.3-1.65 | 0.25max | 0.10max | 0.027max | 0.20max |
Available sizes: 20mm-150mm diameters to meet various customer requirements.
Quality Assurance
Premium Raw Materials: Sourced directly from major steel groups with strict quality inspection.
Advanced Production: 6 automated rolling lines and 4 forging lines with 100,000t annual output.
Expert Craftsmanship: Operators with 5+ years of experience ensuring consistent quality.
Heat Treatment Technology: Unique quenching and tempering processes for uniform hardness.
Rigorous Testing: World-class laboratory with complete testing equipment for chemical and mechanical analysis.
International Certification: Compliant with ISO9001, ISO14001, ISO45001 standards, and SGS/BV factory certifications.
