Detailed Product Description

               We specilize grinding balls with diameter from 6-150mm

Specifications:1. DIA      6~150mm  also can customiz the size according to the required of you

            

                2. Feature   Low price ,low breakage,low wear rate ,Steady performance and high hardness

        

         Type of production                  Breakage          Wear Rate / M. Ton of Clinker Grinding

             

a)Low Chrome Alloyed Cast Grinding Balls          ≤1%             ≤80g 

b)Polybasic Chrome Alloyed Cast Grinding Balls      ≤1%             ≤50g

c)High Chrome Alloyed Cast Grinding Balls          ≤0.5%            ≤25g

                3.Surface hardness   High hardness         

          

           Type of production                              Hardness  

a)Low Chrome Alloyed Cast Grinding Balls                    ≥45     HRC

b)PolybasicⅠChrome Alloyed Cast Grinding Balls              ≥48~52  HRC

c)Polybasic Ⅱ Chrome Alloyed Cast Grinding Balls            ≥52~58  HRC

d)High Chrome Alloyed Cast Grinding Balls                   ≥58~64  HRC

                 

                4. Applied areas   Cement building materials, Metal mining, Coal paste thermal                                                   

                            power  plant, Chemical engineering, Ceramic coat, Light industry,  

                            Magnetic materials

            

                5. Microstructure       Microstructure                kind

                                       M+C                  High  Cr  Alloy

                                       P+C                      PolybasicⅠ               

                                       M+C                     Polybasic Ⅱ 

                                       P+C                    Low  Cr  Alloy   

            

                6. Chemical composition(%)   

 Kind                 C      Si       Mn      Cr       Mo       Cu       P        S                           

Low  Cr  Alloy     2.0~3.5  1.0~1.8   0.3~0.8   0.3~1.5   0~0.6     0~0.6    ≤0.15   ≤0.15

    PolybasicⅠ         1.8~3.2   0.5~1.5  0.4~1.5    3.5~5    ≤0.5     ≤0.8    ≤0.15   ≤0.15

    Polybasic Ⅱ        1.8~3.2   0.5~1.5   0.1~0.8   5~8      ≤0.5     ≤0.5    ≤0.10  ≤0.10

High  Cr  Alloy    2.0~3.2   0.3~1.2   1.3~2.6   10~15    ≤2.0     ≤1.0    ≤0.10   ≤0.08

Memo:If you have special requirement for chromium content and hardness,we still can make it                           but the price will be changed.

         

                7. Packing  800  kg/iron drum

                          1000  kg/special bag

            

            8.Customers 

Our big customers like Aluminum Corporation of China Limited(Top 500 Companies of the World) and ANHUICONCH CEMENT CO.,LTD (Biggest cement factory of Asia) trust our products,so you should believe our product.

       9.The Description for Technical Process

1th.Material ( Bearing steel E52100)

2th.Raw material composition testing 

3th.Deployment of melting and composition 

4th.Testing before casting(confirm the content of chromium and other elements)

5th.Moulding in forms

6th.The first Product Inspection(choose substandard products)

7th. Polishing balls

8th.Visual inspection 

9th.Automatic oil heat treatment

10th.Desktop heat treatment furnace

11th.HRC inspection(incloud the hardness of surface and core)

12th.Packing and stocking

            

            10.Production capacity     20000Metric ton/Per year(1600Metric ton/Per month)

            11.Payment Terms         T/T   L/C

            12.Minimun Order Quantity   10 M.T

            13.Delivery time         For your request