rolled and forged grinding steel ball 20mm to 150mm made of 60Mn 65Mn B2 B3 and B4 material for mining and cement mill

   
rolled and forged grinding steel ball 20mm to 150mm made of 60Mn 65Mn B2 B3 and B4 material for mining and cement mill
    
Specifications     
1. Diameter:20mm-150mm(0.75''-6'')      
2. Surface Hardness:     
     Forged ball:58-65HRC     
     Casted ball:60-65HRC      
3. Material:    
     Forged ball:Steel      
     Casted ball:Iron    
4. Technology:Forged & Casted ,heat treated    
5. Unbreakable:0.5 Max.    
6. Impact Toughness:>12      
7. times of falling ball:5000 min.    
8. microstructure:P+C      
9. Application: gold & iron mine,steel works,cement plant and power station      
10. Certificate:  ISO9001:2008      
    
Features     
1. High hardness     
2. Good wear resistance     
3. High toughness     
4. No mal-roundness    Packaging  
Ton bags (1000Kg Per Bag)  
Iron drums (850~920Kg Per Drum)  
  
Delivery  
within 20 days after confirm the contract