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High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness

    Buy cheap High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness from wholesalers
     
    Buy cheap High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness from wholesalers
    • Buy cheap High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness from wholesalers
    • Buy cheap High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness from wholesalers

    High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness

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    Brand Name : Chen's Liners
    Model Number : DF152
    Price : Discuss in email
    Delivery Time : It depends on quantity ordered.
    Payment Terms : L/C,T/T
    Supply Ability : 30000 Ton/Tons per Year
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    High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness


    High Cr Grinding Media Free From Hard Spot With More than HRC60 Hardness


    Quick Details

    1. Material:Cr15

    2. Hardness: More than HRC60;


    Forged Steel Balls

    1. Hardness difference from surface to center is less than HRC3.

    2. Hardness:More than HRC60.

    3. Surface of castings is free from burnt sand & smooth.

    4. It is free from hard spot, visible injurious defects such as blow hole,porosity, shrinkage, cracks, cold-shuts.


    1. Specification available


    A. Cast Balls

    (1) Diameter (mm): φ140, φ125, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ20, φ17, φ15



    B. Cast Cylpebs

    (1.2)Diameter (mm): φ35×40, φ30×35, φ25×30, φ20×25, φ18×18, φ16×16, φ15×20, φ14x14,

    φ12×16, φ12x12, φ10×12, φ10×10, φ8×8


    (2) General Mechanical Property

    Materials

    Hardness

    Impact value

    Wear in Cement Mills (g/mt)

    Application Field

    High Cr

    Cast Iron

    ≥HRc60

    ≥4J

    25-60

    The dry-grinding process in cement works, power plants and wet-grinding process in mine;

    Low Cr

    Cast Iron

    ≥HRc46

    ≥3J

    ≤130

    The dry-grinding process in cement works, power plants and wet-grinding process in mines


    (3). The Detailed Information about Diameter 60mmCast Balls with Different Cr Content


    Composition

    (%)

    C

    Si

    Mn

    Cr

    P

    S

    Hardness

    (HRC)

    Wear Rate in Gold Mine

    Low Cr Cast Balls

    2.0~3.0

    0.5~1.5

    ≤0.50

    1.5~2.5

    ≤0.07

    ≤0.07

    46~55

    About 1000g/MT

    Mid Cr Cast Balls

    2.0~3.5

    ≤1.0

    0.3~1.2

    4.0~6.0

    ≤0.10

    ≤0.10

    ≥50

    About 870g/MT

    Cr12 Cast Balls

    2.0~3.0

    ≤1.2

    0.7~2.0

    10~12

    ≤0.06

    ≤0.06

    ≥55

    ≤820g/MT


    Cr15 Cast Balls

    2.0~3.0

    ≤1.2

    0.7~2.0

    14~16

    ≤0.06

    ≤0.06

    ≥58

    Cr20 Cast Balls

    2.0~3.5

    ≤1.0

    0.5~1.5

    17~23

    ≤0.06

    ≤0.06

    ≥60

    ≤760g/MT


    C. Forged Steel Balls

    ⑴. Diameter (mm): φ150, φ140, φ130, φ120, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40


    (2). General Mechanical Property

    Composition (%)

    C

    Si

    Mn

    Cr

    P

    S

    Type One Material

    0.57~0.65

    0.17-0.37

    0.70-0.80

    0.28-0.60

    ≤0.04

    ≤0.04


    Ⅰ. For Type One Material

    Size

    Surface

    Core

    Φ40~60mm

    HRC50~60

    HRC50~60

    Φ70~80mm

    HRC50~60

    HRC50~60

    Φ90~100mm

    HRC50~60

    HRC50~60

    Φ110~140mm

    HRC50~60

    HRC50~60


    Ⅱ. For Type Two Material

    Composition (%)

    C

    Si

    Mn

    Cr

    V

    P

    S

    Hardness

    Type Two Material

    0.7-0.9

    0.45-0.75

    0.70-1.25

    0.11-0.40

    0.05-0.12

    ≤0.04

    ≤0.04

    HRC55~65


    D. Holt-rolled Steel Balls

    (1). Diameter (mm): φ150, φ120, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ25


    (2) General Mechanical Property (Refer to GB8649-88)

    Composition(%)

    C

    Si

    Mn

    Cr

    Mo

    Ni

    Cu

    V

    Co

    Hardness

    Hot-rolled Steel Balls

    0.5

    ~

    1.0

    0.25

    ~

    1.60

    0.4

    ~

    1.2

    1.0

    0.5

    0.5

    0.5

    0.04

    0.09

    ≥HRC58


    2. Size Tolerance

    Item

    Specification (mm)

    Φ15~Φ50

    Φ60~Φ150

    Diameter tolerance

    +1.5

    -1.0

    +2.0

    -1.0


    3. Package

    Packaged by flexible container bags weighing about 1000kg or in iron drums weighing about 850kg.

    In the recent 20 years, our liners have been widely used in large, medium and small ball mills in Chinese power generation, mining, cement, Chemical engineering and metallurgical industries and super fine pulverizing equipments. It is the only recommended liner product in the latest standard of the electric-power industry in China.


    Technical Parameters

    Wuxi Orient Anti-wear Engineering Co., Ltd.

    Chemical Composition & Mechanical Property of Wear-resistant Castings


    Item

    Cr-Mo

    Alloy Steel I

    Cr-Mo

    Alloy Steel II

    Cr-Mo

    Alloy Steel III

    High Cr white iron

    High Cr Alloy Steel

    High Manganese Steel

    Ni-Hard cast iron

    C

    0.30~0.50

    0.65~0.90

    0.40~0.90

    2.40~3.20

    1.1~2.2

    0.90~1.30

    2.40~3.60

    Si

    0.50~1.20

    ≤0.75

    0.70~1.20

    0.60~1.20

    0.60~1.20

    ≤0.08

    ≤0.80

    Mn

    0.40~1.20

    0.50~1.20

    0.60~1.00

    0.50~1.00

    0.50~1.00

    11.00~18.00

    ≤2.0

    Cr

    1.70~2.50

    1.50~2.50

    4.00~7.00

    12.00~30.00

    11.00~30.00

    1.50~2.50

    1.5~10

    S

    ≤0.04

    ≤0.06

    ≤0.04

    ≤0.04

    ≤0.04

    ≤0.04

    ≤0.15

    P

    ≤0.04

    ≤0.06

    ≤0.06

    ≤0.06

    ≤0.06

    ≤0.06

    ≤0.15

    Mo

    ≤0.5

    ≤0.5

    ≤0.5

    0.10~3.0

    0.10~3.0

    ≤1.0

    ≤0.10

    Cu

    0.10~0.60

    ≤0.25

    0.20~0.40

    0.10~1.00

    0.10~1.00

    -

    -

    Ni

    ≤0.50

    ≤0.30

    0~0.30

    0~0.30

    0~0.30

    -

    3.3~10

    Re

    ≤0.02

    ≤0.02

    ≤0.02

    -

    -

    -

    -

    Equivalent

    Specifications

    DL/T 681-1999

    GB/T26651-2011

    AS 2074 L2B Mod

    DL/T 681-1999

    GB/T 8263-1999

    AS 2027 Cr27

    AS 2027 CrMo 15/3

    AS 2027 CrMo 20/2/1

    ASTM A532 Class III type A 25% Cr

    ASTM A532Class II type B 15% Cr-Mo

    BS 4844 3E

    DIN1695

    NFA32401.

    GB/T 5680-1998

    DL/T 681-1999

    JIS G 5153-1999

    ASTM A 128

    DIN GX120Mn12

    AFNOR:Z120Mn12

    GB/T 8263-1999

    AS 2027/Ni-Cr1-550

    AS 2027/Ni-Cr2-500

    AS 2027/Ni-Cr4-500

    AS 2027/Ni-Cr4-600

    AS 2027/Ni-Cr4-630

    ASTM A 532 1-A,B,C,D

    ASTM A 532 2-A,B,C,D,E

    ASTM A 532 3-A

    Material Type

    Martensite Steel

    Martensite or

    Pearlitic Cr Mo Steel

    Martensite Steel

    Martensite matrix

    Austenitic Mn Steel

    -

    Hardness

    HRc≥48

    HB470 &

    HB 321~370

    HRc≥50

    HRc≥56

    HB≤300

    HRc≥56

    Impact Value

    Ak≥40J

    -

    Ak≥10J

    Ak≥4J

    Ak≥80J

    -

    Our foundry has complete melting, heat treatment and test equipments, such as mid-frequency induction electrical furnaces, quenching and tempering furnaces, blast shot, spectrometer, Rockwell and Brinell Hardness tester, impactor, UT tester and metallographic microscope. We achieved the certificate of quality management system ISO 9001:2008. We have been exporting castings to oversea markets, such as Brazil, Australia and South Africa.


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