Grinding Steel Balls
1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG
2. Diameter: 15mm-150mm
3. Hardness: HRC 55-65
4. Breakage Rate:<1%
5. Impact Value: >12j/Cm^2
6. Falling ball times: ≥20000s
We are a professional manufacturer of grinding steel balls and grinding rods in China, and can supply all kinds of material of grinding steel balls, grinding rod and our products are exported to USA, CANADA, CHILE, SOUTH AFRICA, KOREA AND JAPAN more than 20 countries and regions in the world. Our products have obtained ISO9001 quality certification.
Grinding media is a valuable commodity widely used in cement production, mining industry-especially in gold, silver, copper and zinc mines, power stations for coal grinding, limestone grinding for flue gas desulphurisation, aerated building block manufacturing and so on.
Materials | C% | Si% | Mn% | P% | S% | Cr% |
B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.4-0.6 |
B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 |
High Carbon B2 | 0.85-1.10 | 0.15-0.45 | 0.40-1.20 | ≤0.035 | ≤0.035 | 0.20-1.10 |
B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.25max |
B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 |
B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 |
B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
BU | 0.95-1.05 | 0.15-0.35 | 0.95-1.05 | ≤0.025 | ≤0.025 | 0.45-0.55 |
1090 | 0.90-1.10 | 0.17-0.37 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.025 |
42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 |
60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
Φ20 | +2， —1 | ＞60HRC | ≥12 |
Φ25 | |||
Φ30 | |||
Φ40 | |||
Φ50 | |||
Φ60 | +3， —2 | ||
Φ70 | |||
Φ80 | |||
Φ90 | |||
Φ100 | +4， —2 | ||
Φ110 | |||
Φ120 | ＞58HRC | ||
Φ130 | |||
Φ140 | +4， —3 | ＞55HRC | |
Φ150 |
Application field: mines, cement plants, power station, chemical industries etc.
Packing of Grinding Rolling Balls
(1)Container Bag:Dia20mm-150mm 1000kg/Container Bag
(2)Steel Drums:Dia20mm-80mm 900kg/Drum Dia90mm-150mm 850kg/Drums
(3)Steel Drum on Pallet or Bag on Pallet
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2， —1 | ＞60HRC | ≥12 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3， —2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4， —2 | ||
| Φ110 | |||
| Φ120 | ＞58HRC | ||
| Φ130 | |||
| Φ140 | +4， —3 | ＞55HRC | |
| Φ150 |
