B2 B3 B6 60Mn Forged steel grinding ball for mining ball mill
Company Profile
Jinan Zhongwei established in 2000 , we are a leading manufacturer
and professional exporter grinding balls in China.
Our company covers an area of 15000 square meters, now we have 150
staff, including 13 technical staff. Annual output is 50000 tons to
80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod,
cylpebs
We have exported to 20 more countries, UAE, Zambia,South Africa,
Peru, Chile, Australia, UK, USA, Turkey and so on.
Application
1. Mining (Copper, Gold, Iron, Aluminum, Manganese, Zinc, Chrome
etc. )
2. Cement Plant
3. Power Station
4. Chemical Industry
Product Description
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
Forged ball Specification:
| Diameter (mm) | Material | Chemical elements | Hardness (HRC) |
| C | Si | Mn | P/S | Cr |
| 20-125 | C45 | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ＜0.035 | ≤0.25 | 48-55 |
| 20-140 | 60Mn | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | ＜0.04 | ＜0.25 | 56-62 |
| 20-125 | B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | ＜0.025 | 0.4-0.6 | 57-64 |
| 60-140 | B3 | 0.58-0.66 | 1.3-1.9 | 0.65-0.8 | ＜0.025 | 0.7-0.9 | 56-65 |
Hot Rolling Ball Specification:
| 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 |
Production Line
1) Traditional Forged
Raw material →Cutting →Heating → Water quenching → Tempering
2) Auto Hot Rolling
Raw material →Hot Rolling Mill → Water Quenching → Tempering
Packing
1000kgs in a bag or 850-900kgs in a steel drum, then 25 tons in a
20GP Container
QC&QI
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.
