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55-65HRC Hardness forged steel grinding ball , ball milling media

Categories Grinding Steel Balls
Brand Name: ZW
Model Number: 45# 60Mn B2 B3,high medium low chrome
Certification: SGS, BV, TUV, ISO9001
Place of Origin: Jinan
MOQ: 1 tonne
Price: Negotiable
Supply Ability: 50000 Tonne per year
Delivery Time: 5-7 days
Packaging Details: Steel drums,container bags
Hardness: 55-65HRC
Packing: bag or steel drums
Application: cement plant, power station, mine, chemical industry
Technical: Forged, Hot Rolling, Cast
Broken: <1%
Diameter: 20-150mm
Product: grinding steel balls
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    • Product Details
    • Company Profile

    55-65HRC Hardness forged steel grinding ball , ball milling media

    High quality Mining Special Use Grinding Steel Balls from China


    Forged Ball:

    Chemical composition


    Name

    Material

    Chemical composition

    Hardness
    CSiMnSPCrHRC




    forged ball
    B30.58-0.661.6-1.90.65-0.8<0.025<0.0250.7-0.958-63
    B20.72-0.850.17-0.370.7-1.0<0.04<0.040.4-0.658-63
    60Mn0.55-0.650.17-0.370.7-1.0<0.04<0.04<0.2558-62
    45#0.42-0.500.17-0.370.5-0.8<0.035<0.035≤0.2550-55



    Hardness distribution


    Material
    Dia25mm-Dia50mm
    Dia60mm-Dia90mm
    Dia90mm-Dia125mm

    surface

    core

    surface

    core

    surface

    core
    B3////56-6345-53
    B260-6558-6258-6350-5556-6040-45
    60Mn58-6355-6058-6340-4556-6030-35
    45#55-5845-5555-5830-3550-5525-30


    Cast Iron Ball:


    Type and chemical composition


    Name

    Material

    Chemical composition

    Hardness
    CSiMnSPCrHRC




    Cast ball

    Special Hi-Cr
    2.0-3.0<1.00.5-2.0≤0.06≤0.08>2058-64

    Special Hi-Cr
    2.0-3.0<1.00.5-2.0≤0.06≤0.08>1558-64

    High-Cr
    2.0-3.2<1.00.5-2.5≤0.06≤0.08>1058-62

    Medium-Cr
    2.0-3.2<1.00.5-2.5≤0.06≤0.08≥550-55

    Low-Cr
    2.2-3.4≤1.20.5-1.5≤0.06≤0.081.0-1.542-46


    Hardness distribution


    Material
    Dia25mm-Dia50mm
    Dia60mm-Dia70mm
    Dia80mm-Dia90mm

    surface

    core

    surface

    core

    surface

    core

    Special hi-CR:>20
    60-6459-6360-6458-6260-6457-61

    Special hi-CR:>15
    58-6257-6158-6256-6058-6250-59

    High Cr:>10
    58-6257-6158-6256-6058-6250-59

    Medium Cr:≥5
    50-5549-5450-5548-5350-5547-52

    Low Cr:1-1.5
    42-4641-4542-4640-4442-4639-43




    Advantages of Jinan Zhongwei Forged Grinding Balls
    1.Electric Furnace as compared to coal
    2.Fair Market Price
    3.Quality guarantee
    4.On time delivery


    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


    Packaging & Shipping

    Packing: Container bags or steel drums or others.
    For Container Bag, Net weight 1000Kgs ,Gross Weight 1002KGS ,Measurement 0.4CBM
    For Steel Drums ,Net weight 850-950Kgs ,Gross Weight 865-965KGS ,Measurement 0.3CBM .

    Shipping and delivery
    Port of loading:Qingdao Port,China

    Delivery time : Normally 2-3 weeks after down payment received.
    Partial shippment allowed


    FAQ
    Payment terms : T/T (30% DP,balance against copy of B/L.; L/C
    Samples : Free samples are provided for test before trial order
    MOQ : 1 Ton



    Company Profile

    Jinan Zhongwei Casting And Forging Grinding Ball Co.,LTd established in 2000, as a professional grinding media manufacturer, we are devote to development and production wear-resistant steel balls for ball mill. Main products: Forged Steel Ball, Cast Steel Ball (High, Medium, Low Chrome), Casting Cylpebs, Grinding Rods.

    We have obtained ISO 9001:2008 International Quality System Authentication. To ensure the excellent performance of grinding balls, our company have advance quality control and test equipments, and complete quality inspection system.

    Strength casting high quality goods and good faith forging magnificent. Our aim is to insist on the theory of "Quality first, Honesty and Trust Bring Mutual Benefits". We are trying best to supply customers from both at home and abroad with high quality products and satisfactory service.

    For more information about our products ,Pls feel free to contact us.


    ​eileen@zwgrindingball.com

    +86-156 5001 6516


    Quality 55-65HRC Hardness forged steel grinding ball , ball milling media for sale
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