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Shandong Huamin Steel Ball Joint-Stock Co., Ltd.

 
 
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cast iron grinding ball 

  Category : Machinery on-line->Castings->Other_Castings->Sand casting

     
cast iron grinding ball
 
 
       

  Product Specification
 
  Model No:      high/middle/low chrome cast ball
  Country  CN
  Brand  huamin brand
  Materials  alloy chrome steel
  Size  15mm-120mm    
  Weight  0.032kg-7.10kg/pc
  Color  iron
  Packing  steel drums 850/drum or by bulk bags 1000 kgs/bag
  Minimum Order  5 metric tons
  Payment Term  By T/T 50% in advance, the other 50% paid faxing the copy of B/L;

 

    Product Detail
  Grinding balls included one kind named chrome cast iron grinding balls, three series (High/Middle/Low chrome cast iron grinding balls) can be provided in standard sizes, they are used to assist in the extraction process for many metals such as gold, copper, lead, zinc, iron, nickel, tin, chrome and silver. In addition to metalliferous processing, balls are used for grinding coal in power stations, especially for lime and clinker in the cement industries and base materials in the building products industry. The ball hardness profiles to maximize wear and impact performance, customized product is available to meet milling and ore conditions. The balls have gotten high reputations for their high hardness, good wear resistance, no breakage etc.

1.Product Name: Cast iron grinding balls
2.Standard ball sizes are as follows:
Ball Diameter (nominal) mm-----(nominal) Inches
20mm=4/5 inch;
25mm=1 inch;
30mm=1 1/4nch;
40mm=1 1/2nch;
50mm=2 inch;
60mm=70mm;
80mm=3 1/4inch;
90mm=3 1/2 inch;
100mm=4 inch;
110mm=4 1/4 inch;
120mm=4 3/4inch;
3. A full range hardness we provided in standard sizes:
Minimum Hardness:
Brinell =Rockwell C Chromium (%)
BHN400=HRC 43 non-chromium
BHN480=HRC 50 Cr: 1.0~3.0
BHN560=HRC 55 Cr: 7.0~10.0
BHN615=HRC 58 Cr: 10.0~16.0; Cr: 16.0~22.0; Cr: 22.0~28.0;
4. Low Chrome cast iron balls
Chemical Elements (%): C:2.0~3.60 Mn: 0.50-1.50; Cr: 0.10-5.0; Si: 1.5Max; P: 0.10 Max, S:0.10 Max;
5. Middle chrome cast iron balls
Chemical Elements (%):C:2.0~3.20 Mn: 0.50-1.50; Cr: 7.0-10.0; Si: 0.5-2.20; P: 0.10 Max, S:0.10 Max;
6. High chrome cast iron balls
ZQCrG1--Chemical Elements (%):C:2.0~3.20 Mn: 0.50-2.50; Cr: 10.0-16.0; Si: 1.0 Max ; P: 0.10 Max, S:0.06 Max; Cu: 1.0Max; Mo:1.0 Max
ZQCrG2--Chemical Elements (%):C:2.0~3.20 Mn: 0.50-2.50; Cr: 16.0-22.0; Si: 1.0 Max ; P: 0.10 Max, S:0.06 Max; Cu: 1.0Max; Mo:1.0 Max
ZQCrG3--Chemical Elements (%):C:2.0~3.20 Mn: 0.50-2.50; Cr: 22.0-28.0; Si: 1.0 Max ; P: 0.10 Max, S:0.06 Max; Cu: 1.0Max; Mo:1.0 Max
Products all-round properties: High Hardness, better wear resistance, even wearing
Breakage rate of ball: 1.0% Max ;
Dropping test: 8000 times minimum with 3.5 meter dropping test machine.
Impact fatigue life test: Ak.=3 J/CM2 Minimum
7. Packages: By flexible container bags (1000kg/bag), or by steel drums (850kgs-900kgs/drum)

   


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