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CK45 Hot Rolled Hard Chrome Plated Bar For Hydraulic Cylinder

Categories Hard Chrome Plated Bar
Brand Name: HY
Certification: ISO9001:2008
Place of Origin: China
MOQ: 5 tons
Price: Negotiation
Payment Terms: L/C, T/T
Supply Ability: 30tons a day
Delivery Time: 30days
Packaging Details: Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Name: Chrome plated bar
Material: Steel
Tensile strength: Not less than 610 N/MM2
Yield strength: Not less than 355 N/MM2
Surface condition: Hard chrome plating
Chrome thickness: 20-30 micron
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    CK45 Hot Rolled Hard Chrome Plated Bar For Hydraulic Cylinder

    CK45 Hot Rolled Hard Chrome Plated Bar For Hydraulic Cylinder


    Detailed Product Description


    1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr

    2. Diameter: 6mm - 1000mm

    3. Length: 1000mm - 8000mm

    4. Complete inspection apparatus

    5. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened


    Detailed Description


    1.CHEMICAL COMPOSITION

    Material

    C%

    Mn%

    Si%

    S%

    P%

    V%

    Cr%

    Ck45

    0.42-0.50

    0.50-0.80

    0.04

    0.035

    0.035



    ST52

    0.22

    1.6

    0.55

    0.035

    0.04



    20MnV6

    0.16-0.22

    1.30-1.70

    0.10-0.50

    0.035

    0.035

    0.10-0.20


    42CrMo4

    0.38-0.45

    0.60-0.90

    0.15-0.40

    0.03

    0.03


    0.90-1.20

    40Cr

    0.37-0.45

    0.50-0.80

    0.17-0.37




    0.80-1.10


    2.MECHANCIAL PROPERTIES

    Material

    T.S N/MM2

    Y.S N/MM2

    E%(MIN)

    CHARPY

    CONDITION

    CK45

    610

    355

    15

    >41J

    NORMALIZE

    CK45

    800

    630

    20

    >41J

    Q + T

    ST52

    500

    355

    22


    NORMALIZE

    20MnV6

    750

    590

    12

    >40J

    NORMALIZE

    42CrMo4

    980

    850

    14

    >47J

    Q + T

    40Cr

    1000

    800

    10


    Q + T


    3. SUPPLY CONDITION

    Ground and chrome plated

    4. CHROME THICKNESS

    20 to 30 micron

    5. SURFACE ROUGHNESS

    Ra≤0.2 micron and Rt≤2 micro

    6. TOLERANCES ON DIA

    ISO f7 on the diameter

    7.OVALITY

    Half of the tolerance ISO f7

    8. STRAIGHTNESS

    ≤0.2MM/M

    9. SURFACE HARDNESS

    850-1150HV (vickers 100g)

    10.COHESION

    No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling

    in water)

    11 .POROSITY

    Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

    12 CORROSION RESISTANCE

    Test in natural salt spray according to ASTM B 117-72hours

    Results evaluation according to ISO 4540 RATING 7-10

    13. WELDABILITY

    Good

    14. PACKING

    Anti rust oil to be applied on material and each rod to be packed in paper sleeve

    15. CERTIFICATE

    All certificate related with material heat treatment and plating is required



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