| Categories | Grinding Balls Mining |
|---|---|
| Brand Name: | DRAGON STEEL BALLS |
| Model Number: | 45# 60Mn B2 B3 Low Mid high Cr |
| Certification: | CE,ISO |
| Place of Origin: | CHINA |
| MOQ: | 1 ton |
| Price: | Negotiable |
| Payment Terms: | L/C, T/T, D/A, D/P, Western Union, MoneyGram |
| Supply Ability: | 3000 tons / Month |
| Delivery Time: | 3-7 work days/ 25 tons |
| Packaging Details: | Container bags ,steel drums |
| Keyword: | forged grinding balls |
| Production Process: | Hot Rolling Forging Casting |
| Usagae: | Mining,Cement plant,Power Station |
| Material: | Round Steel, Steel Iron |
| Tolerance: | +-1mm,+-2mm |
| Hardness: | 58-63 |
Dia 20mm-150mm Grinding Balls Mining Forged Steel Balls Cast Iron Balls
1. Forged grinding balls is used in ball mill for mining,cement plant ,power plant and industry.
① Mining ( Gold, copper, iron ore )
② Cement plant
③ Coal mill
④ Sag mill
⑤ Industry
⑥ All the ball mill or rods mill machine
2. Dragon balls main product & Dragon balls classifications :
Forged ball
Cast ball
Cylpebs
Hot rolling ball
| Main Product | Classification |
| Cast Iron Ball | Low Cr,Medium Cr,High Cr |
| Forged Ball | C45,60Mn,B2,B3 |
| Hot Rolling Ball | C45,60Mn,B2,B3 |
| Cylpebs | Low Cr,Medium Cr,High Cr |
| Grinding Rods | C45,60Mn,B2,B3 |
| Liners | Mn13Cr2,High Chrome |
3. Forged grinding balls size and material
Forged ball 20mm-150mm
Cast balls 12mm-150mm
Cylpebs 6×6-50×60
Hot Rolling Ball 20mm-40mm
4. Forged grinding balls Chemical elements
Forged ball ,hot rolling balls chemical elements
Material | Chemical Composition |
| C45 | C:0.42-0.5,Si:0.17-0.37,Mn:0.5-0.8,Cr:≤0.25, P:≤0.035, S:≤0.035, Ni:≤0.25, Cu:≤0.25 |
| 60Mn | C:0.55-0.65, Si:0.17-0.37, Mn:0.7-1.0, Cr:≤0.25, P:<0.04, S:<0.04, Ni:≤0.3, Cu:≤0.25 |
| B2 | C:0.72-0.85, Si:0.17-0.37, Mn:0.7-1.0, Cr:0.4-0.6, P:≤0.025, S:≤0.025, Ni:≤0.02, Cu:≤0.02 |
| B3 | C:0.58-0.66, Si:1.3-1.9, Mn:0.65-0.8, Cr:0.7-0.9, P:≤0.025, S:≤0.025, Ni:≤0.02, Cu:≤0.02 |
| Material | Chemical Composition | |||||||
| C | Si | Mn | Cr | P | S | Ni | Cu | |
| C45 | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 |
| 60Mn | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | ≤0.25 | <0.04 | <0.04 | ≤0.3 | ≤0.25 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | 0.4-0.6 | ≤0.025 | ≤0.025 | ≤0.02 | ≤0.02 |
| B3 | 0.58-0.66 | 1.3-1.9 | 0.65-0.8 | 0.7-0.9 | ≤0.025 | ≤0.025 | ≤0.02 | ≤0.02 |
Cast Ball ,Cylpebs chemical elements
| Material | Chemical Composition |
| Low Cr | C:2.2-3.4, Si:≤1.2, Mn:0.5-1.5, P:≤0.06, S:≤0.06, Cr:1.0-1.5 |
| Medium Cr | C:2.0-3.2, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:≥5 |
| High Cr | C:2.0-3.2, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:≥10 |
| Material | C | Si | Mn | Cr | P | S |
| Low Cr | 2.2-3.4 | ≤1.2 | 0.5-1.5 | 1.0-1.5 | ≤0.06 | ≤0.06 |
| Medium Cr | 2.0-3.2 | <1.0 | 0.5-2.5 | ≥5 | ≤0.06 | ≤0.06 |
| High Cr | 2.0-3.2 | <1.0 | 0.5-2.5 | ≥10 | ≤0.06 | ≤0.06 |
5. Forged grinding balls Hardness
Forged ball ,hot rolling balls hardness
Size | C45 | 60Mn | B2 | B3 |
| 20mm | 55-58 | 58-62 | 60-64 | 62-65 |
| 30mm | 55-58 | 58-62 | 60-64 | 62-65 |
| 40mm | 55-58 | 58-62 | 60-64 | 62-65 |
| 50mm | 55-58 | 58-62 | 60-64 | 62-65 |
| 60mm | 55-58 | 58-62 | 60-64 | 62-65 |
| 70mm | 53-56 | 58-62 | 60-64 | 61-63 |
| 80mm | 53-56 | 58-62 | 59-63 | 60-65 |
| 90mm | 50-55 | 58-62 | 57-61 | 60-65 |
| 100mm | 48-52 | 57-61 | 56-60 | 60-65 |
| 110mm | 48-52 | 57-61 | 55-60 | 58-64 |
| 120mm | 48-52 | 57-61 | 55-60 | 56-63 |
| 130mm | 48-52 | 57-61 | 55-60 | 56-63 |
| 140mm | 48-42 | 57-61 | 55-60 | 56-63 |
| 150mm | 48-52 | 57-61 | 55-60 | 56-63 |
Cast ball ,cylpebs hardness
| Type | Low Cr | Medium Cr | High Cr |
| 20mm-150mm | 45-50 | 48-55 | 58-63 |
6. Forged grinding balls Specifications
Diameter (mm) | Diameter Tolerance (mm) | Approx Weight of per ball(kg) | Average numbers per ton |
| 20 | ＋1,－0.5 | 0.033 | 30303 |
| 30 | ＋2,－1 | 0.11 | 9090 |
| 40 | ＋2,－1 | 0.261 | 3831 |
| 50 | ＋2,－1 | 0.512 | 1961 |
| 60 | ＋2,－1 | 0.883 | 1132 |
| 70 | ＋3,－1.5 | 1.402 | 713 |
| 80 | ＋3,－1.5 | 2.092 | 478 |
| 90 | ＋3,－1.5 | 2.98 | 335 |
| 100 | ＋3,－1.5 | 1.087 | 244 |
| 110 | ＋3,－1.5 | 5.44 | 183 |
| 120 | ＋3,－1.5 | 7.062 | 141 |
7. Grinding balls Production process
Forged balls are forged by air hammer after being heated by electric furnace.
Cast Balls and cylpebs are melted in electric furnace and poured into moulds after scientific proportioning. High chromium balls and cylpebs are also processed by oil quenching.
Forged grinding balls
Forged grinding balls sending to the port
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