Jinan Dragon Steel Balls Co.,Ltd
| Payment Terms | L/C, T/T, D/A, D/P, Western Union, |
| Supply Ability | 3000 tons / Month |
| Delivery Time | 3-7 work days/ 25 tons |
| Packaging Details | Container bags ,steel drums |
| Keywords | Cast iron ball |
| Advantage | High Wear Resistant,High Hardness |
| Technology | Casting |
| Application | Mining,Cement plant,Power Station |
| Port | Tianjin/Qingdao/Shanghai |
| Size | 12mm-120mm |
| Material | Steel Iron |
| Hardness | 58-63 |
| Service | After sale service |
| Test | Any third party test |
| Brand Name | DRAGON STEEL BALLS |
| Model Number | High Chrome,Mid Chrome,Low Chrome |
| Certification | CE,ISO |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, D/A, D/P, Western Union, | Supply Ability | 3000 tons / Month |
| Delivery Time | 3-7 work days/ 25 tons | Packaging Details | Container bags ,steel drums |
| Keywords | Cast iron ball | Advantage | High Wear Resistant,High Hardness |
| Technology | Casting | Application | Mining,Cement plant,Power Station |
| Port | Tianjin/Qingdao/Shanghai | Size | 12mm-120mm |
| Material | Steel Iron | Hardness | 58-63 |
| Service | After sale service | Test | Any third party test |
| Brand Name | DRAGON STEEL BALLS | Model Number | High Chrome,Mid Chrome,Low Chrome |
| Certification | CE,ISO | Place of Origin | CHINA |
| High Light | cast iron ball ，industrial grinding balls | ||
1. Manufacturing process,
Cast Iron balls are melted in electric furnace and poured into moulds after scientific proportioning. High chromium cast balls are also processed by oil quenching.
2. Detail Specifications
① Chemical Composition
| 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 |
② Hardness
| Type | Low Cr | Medium Cr | High Cr |
| 20mm-150mm | 45-50 | 48-55 | 58-63 |
③ Dragon Balls 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 |
3. Test
① Factory test
Forged steel 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, cast iron balls can be tested by any third party.
Company Details
Business Type:
Manufacturer
Year Established:
2000
Total Annual:
1,000,000-10,000,000
Employee Number:
100~200
Ecer Certification：
Active Member
Dragon Grinding Balls is a professional manufacturer of grinding media balls.Owning more than 19 years working experience in grinding media balls R & D, production, quality control, sales, export,service and project solutions. Dragon Grinding balls production line covers hot rolling balls... Dragon Grinding Balls is a professional manufacturer of grinding media balls.Owning more than 19 years working experience in grinding media balls R & D, production, quality control, sales, export,service and project solutions. Dragon Grinding balls production line covers hot rolling balls...
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