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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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