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58-64 HRC Oil Quenching Ball Mill Cast Grinding Steel Balls For Mining

58-64 HRC Oil Quenching Ball Mill Cast Grinding Steel Balls For Mining

  • 58-64 HRC Oil Quenching Ball Mill Cast Grinding Steel Balls For Mining
  • 58-64 HRC Oil Quenching Ball Mill Cast Grinding Steel Balls For Mining
58-64 HRC Oil Quenching Ball Mill Cast Grinding Steel Balls For Mining
Product Details:
Place of Origin: CHINA
Brand Name: ZW
Certification: ISO9001:2008 SGS
Model Number: GB/T 17445-2009
Payment & Shipping Terms:
Minimum Order Quantity: 10/tons
Price: Negotiable
Packaging Details: container bags or steel drums
Delivery Time: 7-14 days
Supply Ability: 50000 tons/year
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Detailed Product Description
Material: Cr:16 Chemical Composition: C Si Mn Cr S P
Endurance Test Times: ≥10000 Breakage Guarantee: ≤1%
Heat Treatment: Air Quenching Quality System Authentication: ISO9001:2008/SGS TEST REPORT
Packing Terms: Container Bags Or Steel Drums Impact Test: ≥4 AK.j/cm^2
HRC: 58-64 Name: Air Quench High Chrome
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Grinding Balls For Ball Mill


ball milling media

60-67HRC Oil Quenching Ball Mill Cast Grinding SteelBalls For Mining And Cement Plant

We are one of the largest factory specialized in producing Forging Grinding Media Ball, Rolling Grinding Media Balland Casting Grinding Media Ball in China. It was founded in 1988, located in Zhangqiu City, Shandong Province, China. Annual Production Capacity is 50,000 metric ton. There are 120 employees, covering an area of 15,000 square meters. Our products have been exported to more than 30 countries and got a lot of praise. We have large-scale production workshop, advanced production equipment and perfect quality assurance system. Our company has passed ISO9001:2000 quality system authentication and we always keep sincere service promise.

Process features of cast iron balls:
Moulding process---pouing when the molten iron temoerature reaches 1500 C,using the teoperature difference between moletn iron and the this way,the ball can achieve internal organization  of grain refinement and be moredense.menanwhile,the carvide is radially arranged .and such carbide is embedded in  the matrix again during  grinding process,forming hatd layer continously,so that the hardness and toughness is maintained to a reasonable range,greatly improving the toughness and hardness of the grinding balls.

Specifications of our products as follows:
                          Type and Chenical Composition of Cast Balls



                       Chemical Composition
         C Si Mn S/P Cr HRC
Cast ball

special hi-cr

2.0-3.2 <1.0 0.5-2.0 <0.06 >18 58-64


2.0-3.2 <1.0 0.5-1.5 <0.06 >10 58-62


2.0-3.2 <1.0 0.5-1.5 <0.06 ≥5 45-48


2.2-3.4 ≤1.2 0.5-1.5 ≤0.06 1.0-1.5 42-46



    Physical property of cast iron balls





Impact test


Endurance test times HRC Breakage





Cast ball



special hi-cr ≥4 ≥10000 58-64 <1%
higt-cr ≥3 ≥10000 58-62 <1%
medium-cr ≥3 ≥8000 45-48 <1%
low-cr ≥2 ≥8000 42-46 <1%

5.Package: Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)

.Electric furnace smelting:All cast steel balls are produced by intermediate frequency electric furance .The purity and stability of materials are effectively esured after unform temerature conditioning and twice hot metal purificati0n.


.Assay before furnace :Temperature control is an important and complex process during cast steel ball production.Different tapping temperature and heat temperature are sensitively reflected in the quality of the products.It is requested to master the proper pouring temperature ,mold temperature ,so that can make sure the products achieve a good state of body tisssue during the transition from Liquid to solid states.




Contact Details
Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd

Contact Person: Mr. Stevin Liu

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Address: Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China

Factory Address:Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China

  • Tel:86-531-83215819
  • Worktime:8:00-18:00
  • Contact Person: Mr. Stevin Liu
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