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Low chrome iron cast grinding balls for Ball Mill / cement plant HRC 58-64

Categories Cast Iron Balls
Brand Name: ZW
Model Number: GB/T 17445-2009
Certification: ISO9001:2008 SGS
Place of Origin: CHINA
MOQ: 10/tons
Price: Negotiable
Supply Ability: 50000 tons/year
Delivery Time: 7-14 days
Packaging Details: container bags or steel drums
Name: cast iron steel grinding media balls
Material: Cr:1-18
Chemical Composition: C Si Mn Cr S P
Impact Test: ≥4 AK.j/cm^2
Endurance Test Times: ≥10000
HRC: 58-64
Nominal Diameter: 25mm-140mm
Heat treatment: oil quenching
Production equipment: Forging Forming
Quality system authentication: ISO9001:2008/SGS TEST REPORT
packing terms: container bags or steel drums
Breakage Guarantee: <1%
Application fields: metal mine,power station,cement plant,etc
  • Product Details
  • Company Profile

Low chrome iron cast grinding balls for Ball Mill / cement plant HRC 58-64

High/Low chrome iron cast grinding ball for 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.

1. Features of casting grinding media balls:

1). Even high hardness
2). Good wear-resistance

3). Unbreakable
4). High impact value

5). Production Capacity: 50,000mt per year

6). Low price

2. Applied fields of casting grinding balls: a) Mines; b) Cement plants; c) Power stations; d) Chemical industry

3. Raw Materials: Chrome Iron

4. Specifications of our products as follows:

Type and Chenical Composition of Cast Balls



Chemical Composition
Cast ball

special hi-cr








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

The production of casting steel balls is to melt the waste raw material such as waste steel, waste iron with medium frequency induction furnace. In the process of melting, add suitable amount of precious metal alloys(such as Ferrochrome, ferromanganese, ferro-vanadium ) to the furnace. When the temperature of the molten iron is more than 1550°C and can meet the requirements of the technics,pour the qualified molten iron to steel moulds or steel production line moulds. The content of chrome of high chrome alloy casting steel balls is ≥10.0%, the content of carbon is 1.80%-3.20%. Since the national standards require the HRC≥58, ak≥3.0J/cm2, to up to this hardness, the high chrome balls must be quenched and tempered. After quenched and tempered, the hardness(HRC≥60) is higher, the wear-resistance is more than 2.5 times of forging balls.

Product Tags:

casting iron balls


Cast Iron Ball

Quality Low chrome iron cast grinding balls for Ball Mill / cement plant HRC 58-64 for sale
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