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China Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd logo
Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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60mm high chrome cast iorn casting grinding media balls High Strength

Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd
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60mm high chrome cast iorn casting grinding media balls High Strength

Brand Name : ZW

Model Number : high cr low cr medium cr special cr

Certification : ISO9001:2008

Place of Origin : China

MOQ : 25 tons

Price : Negotiable

Supply Ability : Annual output 50000 tons

Delivery Time : 1-3 weeks after the advance

Packaging Details : container bags ,steel drum

Key word : cast iron ball

Breakage Guarantee : no breakage upon delivery

Hardness : HRC 60-68

Tecnology : casting

Raw material heating : By electric furance

Service : One-stop Service

Product name : grinding balls

Heat Treatment : oil Quenching , wind quenching

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Manufacturer: Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd

Why Jinan Zhongwei ?

1 . Over 15 years Professional forging and casting grinding balls, grinding cylpebs manufacturing experience, deserves your trust.

2 . High quality, competitive price and good service benefit our customers.

3 . ISO9001 certified company, advanced oil quenching and heating production line, together with advanced testing machines imported from Germany are used to ensure the quality.

4 . Chemical analysis reports would be sent together with each batch of grinding balls, even samples.

5 . Skilled sales & service team can provide timely good service.

6 . 50000 Tons annual production capacity can provide short Leading time.

Product Name: cast iron balls

Product Type : Low Chromium, Medium Chromium, High Chromium ,Special High Chromium

The chemical composition of the cast iron balls

Material Chemical Elements
C Si Mn P S Cr
Speical Cr 2 2.0-3.0 < 1.0 0.5-2.0 <0.08 < 0.06 > 20
Speical Cr 1 2.0-3.0 < 1.0 0.5-2.0 <0.08 < 0.06 > 15
High Cr 2.0-3.2 < 1.0 0.5-2.5 <0.08 < 0.06 > 10
Medium Cr 2.0-3.2 < 1.0 0.5-2.5 <0.08 < 0.06 > 5
Low Cr 2.2-3.4 < 1.2 0.5-1.5 <0.08 < 0.06 1.0-1.5

We can also manufacture the product with special chemical composition in accordance with the requirements

of the customers.

Cast Iron Ball Hardness

Material

25mm-50mm

HRC

60mm-70mm

HRC

80mm-90mm

HRC

60-64
Speical Cr 2 58-62 60-64
Speical Cr 1 58-62 58-62 58-62
High Cr 58-62 58-63 58-62
Medium Cr 45-48 45-48 45-48
Low Cr 42-46 42-46 42-46

Diameter, Diametrical tolerance, Weight, Impact toughness of cast iron ball

Nominal diameter

(mm)

Diametrical tolerance

(mm)

Weight of Single

of grinding ball

in average

Number of piece of

One ton grinding ball

in average

Impact

toughness

DIA 20MM

DIA 25 MM

DIA 30 MM

DIA 40 MM

DIA 50 MM

+2

-1

32

64

110

263

513

31250

15625

9090

3802

1949

≥12

DIA 60 MM

DIA 70 MM

DIA 80 MM

DIA 90 MM

DIA 100 MM

+3

-2

888

1410

2104

2996

4110

1126

709

475

333

243

DIA 110 MM

DIA 120MM

DIA 130 MM

+4

-2

5457

7102

9030

182

140

110

DIA 140 MM

DIA 150 MM

+4

-3

11278

13871

88

72

Production Process of Jinan Zhongwei Cast Iron Balls

60mm high chrome cast iorn casting grinding media balls High Strength


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