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China factory Cast iron balls and Grinding balls for ball mill
Grinding Balls For Ball Mill Chemical Elements( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)
Forged Steel Balls
Material | Chemical Elements | ||||
C | Si | Mn | P/S | Cr | |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 |
60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 |
B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 |
B3 | 0.5-0.8 | 1.0-1.8 | 0.4-1.0 | 0.035 | 0.5-1.0 |
Cast Iron balls
Material | Chemical Elements | |||||
C | Si | Mn | P | S | Cr | |
Speical Cr 2 | 2.0-3.0 | < 1.0 | 0.5-2.0 | <0.08 | < 0.06 | > 20 |
Speical Cr 1 | 2.0-3.0 | < 1.0 | 0.5-2.0 | <0.08 | < 0.06 | > 15 |
High Cr | 2.0-3.2 | < 1.0 | 0.5-2.5 | <0.08 | < 0.06 | > 10 |
Medium Cr | 2.0-3.2 | < 1.0 | 0.5-2.5 | <0.08 | < 0.06 | > 5 |
Low Cr | 2.2-3.4 | < 1.2 | 0.5-1.5 | <0.08 | < 0.06 | 1.0-1.5 |
Nominal Diameter(mm) | Dimensional Tolerance(mm) | Roundness % |
Φ20 | ±2 | ≤6 |
Φ25 | ±2 | ≤6 |
Φ30 | ±2 | ≤5 |
Φ35 | ±2 | ≤5 |
Φ40 | ±2 | ≤5 |
Φ50 | +3,-1 | ≤4 |
Φ60 | +3,-1 | ≤4 |
Φ70 | +3,-1 | ≤4 |
Φ75 | +3,-1 | ≤4 |
Φ80 | +3,-1 | ≤4 |
Φ90 | +4,-2 | ≤4 |
Φ100 | +4,-2 | ≤4 |
Φ120 | +4,-2 | ≤4 |
Φ125 | +4,-2 | ≤4 |
Φ130 | + 4,-2 | ≤4 |
Φ140 | +4,-2 | ≤4 |
Φ150 | +4,-2 |
Jinan zhongwei company:
It is 50 KM to the east of Jinan Airport , in north of the 309
National Highway and it's 300 kilometer from Qingdao port! The
company covers an area of 15000 Square Meters!
The factory had a total of 100 people ( it includes 10 engineering
and technical personnel, 20 sales which consists of domestic sales
and export sales, 10 administrative staff, 10 logistics service
personnel and 50 production workers). The capacity of production is
50000 Metric Tons per year.
Certification and Patent :
Our company has obtained ISO 9001 International Quality System
Authentication, ISO14001 Environmental System Management
Authentication and ISO18001 occupational health and safety
certification, safety standardization identification, clean
production enterprise certification.
Cooperative Partner:
We export our products 80% into the foreign market, and keep close
cooperation with many large companies at home and abroad.
Credibility:
Our company has won the "Shandong Province Famous Brand", "Shandong
Famous Trademark" ,"Leading Forged Steel Ball Manufacturer in China
", "High-tech Enterprise "and "Contract Abiding and Promise Keeping
Enterprise",etc.