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20 150mm Steel Ball For Mill With High Hardness - China

price: contact company for price

Features and Advantages:

ZDBA Brand steel grinding ball is excellent in surface

quality, hardness, and resistant to impact and abrasion. It

won' t crack and lose circularity easily.

1) High hardness: Zhongduan forged grinding steel ball has

high hardness:

surface hardness can reach to HRC 60- 65,

volume hardness HRC58- 63

2) High Impact toughness: impact toughness is more than 12J

/ cm2.

3) Low Broken rate: peel fragmentation resistance property

of over 20000 times. The actual breakage rate is less than

0.5% and close to 0.

Chemical Composition:

C: 0.72- 0.82; Si: 0.17- 0.37; Mn: 0.70- 1.00; Cr: 0.6- 2.8;

Mo: ≤ 0.25 P≤ 0.0.035; S≤ 0.035

Raw Material

As we know, the quality of forged grinding balls depends on

the material by 80% . Our products use high- quality round

steel from national large- scale steel mill to insure the

quality of our products.

Products Show:

Our products range from 20- 150mm, 1inch to 6 inch, and we

can also offer all size of products according to clients'


Packing Instruction:

Strong Nylon Bag: 1000kg

Iron Drums: 850kg/ 900kg

The Production Line And Equipment:

The self- developed automatic steel grinding ball production

line is our qualified product. It uses electric furnace

instead of conventional coal combustion method, and the

rotary cutting technique replaces traditional air hammer,

thereby improving production efficiency by 30 times or even



Each step of our product will be tested strictly. We take

charge of our work and, of course, our products.

Our Company and Factory:

1, Long history. Established in 1992, we have more than 22

years experiences.

2, Good Financial State. With the 56 million RMB register

capital, the finance of our factory runs very well. And

earned the good reputation from our local government.

3, Good Reputation. We hold the idea that" Quality is the

soul of an entity" , at the moment, our products have been

warmly welcomed by the Germany, America, Mexico, Canada,

Chile, Australia, Indonesia, Honduras and so on.

Certification and Patent :

1. ISO 9001 International Quality System Authentication

2. ISO14001 Environmental System Management Authentication

3. OHSAS18001 Occupational health and safety certification,

safety standardization identification, clean production

enterprise certification.

Cooperative Partner:

We export our products 80% into the foreign market, and keep

close cooperation with many large companies at home and


Company Contact:

  • Phone: 8618615234730

  • Address: Puji Town, Zhangqiu, China

  • Email: Email

Published date: April 15, 2015 -

  • Business Description: 1. Established in 1992, has 22 years rich experience in forging.

    2. Has 56 million CNY registered capital, the biggest grinding balls manufacturer in the field of the registered capital.

    3. Covering 350,000m2, has more than 600 experienced workers, also the biggest on in this field.

    4. Production Capacity: Forged grinding balls: 150,000MT; Grinding rods: 30,000MT

    5. Scientific Stock. We have 3 warehouse and make the scientific stocks to make sure to guarantee the urgent orders available.

    6. Certificate:ISO9001,ISO14001,OHSAS18001

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