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Industrial High Performance Grinding Steel Balls with AISI Standard and ISO9001

Categories Grinding Media Balls
Brand Name: Oriental
Model Number: Grinding Media Balls
Certification: ISO 9001:2008,ISO14001
Place of Origin: Shandong, China (Mainland)
MOQ: 25 Ton
Price: Negotiation
Payment Terms: L/C, T/T
Supply Ability: 10000mt/month
Delivery Time: 7-45days according to your quantity.
Packaging Details: Flexible coantainer bags or Steel Drums
Product Name: Grinding Steel Balls
Quality Control: By Inner And The Third Party
Surface Hardness: HRC55-68
Impact toughness: >15j/cm2
Breakage rate: <1%
Endurance impact test: >12000
Chemical elements: C Si Mn P S Cr V
Heat Treatment:: Water Quenching
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    Industrial High Performance Grinding Steel Balls with AISI Standard and ISO9001

    Industrial High Performance grinding media balls , AISI Standard and ISO9001

    Breif Description:

    1. All of the grinding material can do the well-know and most professional in grinding media industry test certificate: SGS

    2. All products are our own production, no other commissons expense. We guarantee to provide the best competitive price

    3. Delivery on time, due to our production capacity: 100,000 tons/year


    MaterialChemical Elements
    CSiMnP/SCrHardness (HRC)
    45#0.42-0.500.17-0.370.5-0.8<0.035<0.2560-65
    60MN0.55-0.650.17-0.370.7-1.0<0.04<0.2558-63
    B20.72-0.850.17-0.370.7-1.0<0.040.4-0.655-58
    B30.5-0.81.0-1.80.4-1.00.0350.5-1.056-63

    Nominal

    diameter

    Diametrical

    Tolerance

    Approx weigt

    per ball

    Average number

    per MT

    Microstructure
    25mm+1.5-0.50.06415625M+B+C
    30mm+1.5-0.50.119090
    40mm+1.5-0.50.263846
    50mm+1.5-0.50.511961

    1.Feature:

    1) High Hardness: The surface hardness of forged and rolling balls is to 60-65 HRC and volume hardness is to 60-63 HRC

    2) High Impact Toughness: The impact toughness is more than 12 J/cm2;

    3) Low Broken Rate: The actual broken rate is not higher than 1%;

    4) Even Wear-resistance: The loss of ball round rate is 50-300 g/ton.


    2.The production process of the forged grinding balls
    1). Raw material:
    All the material is qualified with certificate and made in the Chinese largest steel production enterprise.
    2). Different steel specifications ccording to the clients's requirements.
    Main Steel Material :C45 Steel;60Mn Steel;B2 Steel
    3). Steel Cutting:
    the steel bars should be cut into small pieces according to the size of steel balls required by the order.
    4). Heating:
    we use the electric furnace instead of the traditional coal stove, the biggest advantage is that all the steel bars can accept the most approriate temperature during the heating progress. It affect the hardness and toughness directly.
    5). Hammer forging:
    The raw material is forged to a certain deformation by the air hammer, when the compression ratio increased, the micro-structure become more compact so that the hardness and the toughness can be improved.
    6). Heat treatment:
    Both the water quenching heat treatment production line and our own temperature control technics are important.
    We have mature production technicians responsible for the heat treatment process as we know this process affect the grinding balls performance directly.
    7). Quality Control.
    Raw material test before production
    Hardness test Drop Test Impact Test Core pulling Test after production
    SGS test before delivery
    Certificate: ISO 9001:2008

    Packing
    1.Bags:1000KG polypropylene bags which are highly resistant to UV rays and secure bag straps to reduce time and effort in loading and unloading.

    2.Drums:Recyeled drums can also be supplied. The drums have a removable lid and compression ring for secure storage.Drums are more efficient for some modes of transportation and can also be delivered on wooden pallets.

    Shipping:

    1.Port of Loading: Qingdao Port,China

    2.Partial shippment allowed

    3.By DHL/TNT express for samples order.Door to door to delivery;

    4.Appointed freight forwarder by customers is acceptable

    Our Services
    1. Free samples for your test before orders;
    2. Soonest delivery time ;
    3. Cooperate with many famours shipping companies,and sent the goods to your port safe and in time;
    4. Any feedback after sales would get our soonest reply.

    WE LOOK FORWARD TO THE OPPORTUNITY TO DISCUSS HOW WE CAN BECOME A PARTNER IN YOUR SUPPLY CHAIN SOLUTION .


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