Jinan Dragon Steel Balls Co.,Ltd
Jinan Dragon Steel Balls Co.,Ltd 19 Years Grinding Media Balls Professional Manufacturer
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20mm C45 60Mn B2 B3 Material Hot Rolling Steel Balls Grinding Media Balls
1. Hot rolling grinding steel ball Different Name in Different Place
Hot Rolling Ball
Rolled Ball
Forged Ball
Grinding Media Ball
Rolling Ball
2. Dragon Balls Main Product
Forged grinding ball
Hot Rolling Ball
Cast Iron Ball
Grinding Cylpebs
Grinding Rods
Liners
3. Hot rolling grinding steel ball Application
Hot rolling balls are used in ball mills, mainly in mines, cement plants, power plants and so on.
4. Hot rolling grinding steel ball Classification
According to the different chemical elements , hot rolling balls can be divided into C45,60Mn,B2 and B3. At present, the above four materials are widely used all over the world, that’s the conventional materials, if there are special needs, can be customized.
5. Hot rolling grinding steel ball Manufacturing process
Hot rolling ball is making by hot rolling machine ,water quenching,double-layer insulating barrel and so on a series process.
6. Hot rolling grinding steel ball Detail Specifications
① Chemical Composition
|
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
|
② 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 |
③ Weight
| Size(mm) | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
| Weight(kg) | 0.033 | 0.111 | 0.261 | 0.512 | 0.883 | 1.402 | 2.092 | 2.98 | 1.087 | 5.44 | 7.062 | 9.008 | 11.25 | 13.83 |
④ Dragon 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. Hot rolling grinding steel ball Quality Control
① Factory test
Hot rolling balls test is an very important step. Real-time detection will be carried out in the production process. Balls produced in each shift will be sampled in large quantities and tested for size, hardness, chemical composition, drop test, core pulling and impact value to ensure the quality of steel balls.
② The third party test
According to the customer different demand,hot rolling balls can be tested by any third party.
8. Hot rolling grinding steel ball Packing
Hot rolling balls are usually packed in container bags and steel drums, it can also be customized according to different customer needs.
Hot rolling grinding steel ball
