Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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20mm high quality hot rolled steel ball with high hardness and no breakage
Chemcial and hardness details of hot rolling ball:
| Diameter (mm) | Material | Chemical elements | Hardness (HRC) | ||||
| C | Si | Mn | P/S | Cr | |||
| 20-40 | C45 | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ＜0.035 | ≤0.25 | 55-58 |
| 20-40 | 60Mn | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | ＜0.04 | ＜0.25 | 58-62 |
| 20-40 | B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | ＜0.025 | 0.4-0.6 | 60-64 |
Application
1. Mining (Copper, Gold, Iron, Aluminum, Manganese, Zinc, Chrome etc. )
2. Cement Plant
3. Power Station
4. Chemical Industry
Quality Control and Quanlity Assurance
1)Raw material: Size, Chemcial elements, Microstructure quality control (LAIWU STEEL)
2) Production Technical: Cutting Size, Heating Temperature, Quenching Technical, Tempering control.
3) Grinding Balls: Hardness, Size, Chemcial elements, Breakage Rate Checking
4) Thrid-Pary: SGS, BV ISO, TUV, COTECNA, AsiaInspection etc.
Company Profile
Jinan Zhongwei established in 2000 ,We are a production and research and development, sales integration of wear-resistant ball professional manufacturing enterprises
Our company covers an area of 15000 square meters, now we have 150 staff, including 13 technical staff. Annual output is 50000 to 70000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs,hot rolling balls
We have exported to 20 more countries, UAE, Zambia,South Africa, Peru, Chile, Australia, UK, USA, Turkey and so on.
Packing
1000kgs in a bag or 850-900kgs in a steel drum, then 25 tons in a 20GP Container