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High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

    • High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength
    • High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength
  • High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

    Product Details:

    Place of Origin: China
    Brand Name: HY
    Certification: ISO9001:2008

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 tons
    Price: Negotiation
    Packaging Details: Anti rust oil to be applied on material and each rod to be packed in paper sleeve
    Delivery Time: 30days
    Payment Terms: T/T, L/C
    Supply Ability: 30tons a day
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    Detailed Product Description
    Material: Micro Alloy Steel Product: Hollow Piston Rod
    Surface Condition: Hard Chrome Plated Hard Chrome Thickness: 20 - 30 Micron
    Surface Roughness: Ra0.2 Straightness: Not More Than 0.2 MM/M

     

    High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

     

     

    Detailed Product Description


    1. Material: ST52, CK45, 42CrMo4, 40Cr, 20MnV6, HY4520, HY4700
    2.
    Category: Hard chrome piston rod

                        Quenched & Tempered (Q+T) rod

                        Induction hardened rod

                        Q+T induction hardened rod

                        Micro alloy steel piston rod

                        Wind power project piston rod

    3. Yield strength: Not less than 355 MPa
    4. Tensile strength: Not less than 610 MPa
    5. Passed the ISO9001:2008 international quality system.

    6. Our inspection apparatus and production equipment are advanced and superior.

     

     

    Detailed Description

     

    1. CHEMICAL COMPOSITION(%)

     

    Material

    C%

    Mn%

    Si%

    S%

    P%

    V%

    Ni

    Cr%

    Mo

    Cu

    ck45

    0.42-0.50

    0.50-0.80

    0.17-0.37

    ≤0.035

    ≤0.035

     

    ≤0.25

    ≤0.25

     

    ≤0.25

    ST52

    ≤0.22

    ≤1.6

    ≤0.55

    ≤0.04

    ≤0.04

    0.02-0.15

     

     

     

     

    20MnV6

    0.17-0.24

    1.30-1.70

    0.10-0.50

    ≤0.035

    0.035

    0.10-0.20

    ≤0.30

    ≤0.30

     

    ≤0.30

    42CrMo

    0.38-0.45

    0.5-0.8

    0.17-0.37

    ≤0.035

    ≤0.035

    0.07-0.12

    ≤0.03

    0.90-1.20

    0.15-0.25

    ≤0.03

    40Cr

    0.37-0.45

    0.50-0.80

    0.17-0.37

    ≤0.035

    ≤0.035

     

    ≤0.3

    0.80-1.1

     

    ≤0.03

    HY4700

    0.38-0.45

    1.20 ~1.60

    0.30~0.50

    ≤0.035

    ≤0.020

    0.05~0.15

    ≤0.25

    0.10~0.20

    ≤0.15

    0.25

    HY4520

    0.40 ~0.48

    0.80 ~1.40

    0.15 ~0.35

    ≤0.035

    ≤0.035

    ≤0.15

    ≤0.25

    ≤0.25

    ≤0.15

    ≤0.25

     

     

    2.  MECHANICAL PROPERTIES

     

    Material

    T.S /    Rm(MPa)

    Y.S /     Rel(MPa)

     A%

     

    CHARPY

     

    CONDITION

    ck45

    610

    355

    16

    >41J

     Normalized

    ck45

    800

    540

    20

    >41J

      Q+T

    ST52

    500

    355

    22

     

     Normalized

    20MnV6

    750

    590

    12

    >40J

     Normalized

    42CrMo4

    980

    850

    14

    >47J

     Q+T

      40Cr

    1000

    800

    10

     

     Q+T

     

     

    3. MICRO ALLOY STEEL

    Material

    MECHANICAL PROPERTIES

    Surface hardness(HBW)

     Rm(MPa)

    Rel(MPa)

    A%

    Z%

    KU2(J)

     

    HY4700

    Φ35 - Φ100

    900 - 1100

    ≥650

    ≥16

    ≥35

    ≥39

    270-340

    >Φ100 - Φ140

    850 - 950

    ≥600

    ≥16

    ≥35

    ≥39

    270-340

    HY4520

    Φ40 - Φ100

    750 - 900

    ≥520

    ≥19

    ≥40

    ≥39

    230-290

    >Φ100~Φ140

    750 - 900

    ≥520

    ≥17

    ≥35

    ≥39

    230-290

     

     

     

     

     

     

     

     

     

     

    4. SUPPLY CONDITION 

        Ground  and  chrome plated  

    5. CHROME THICKNESS

         20 to 30 micron

    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. SURFACE ROUGHNESS

         Ra≤0.2 micron and  Rt≤2 micron

    11. COHESION 

         No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees

        and cooling in water)

    12 .POROSITY

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

    13. CORROSION RESISTANCE

         Test in natural salt spray according to ASTM B 117-120hours

         Results evaluation according to ISO 4540 RATING 7-10

    14. WELDABILITY

         Good 

    15. PACKING 

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

    16. CERTIFICATE 

          All certificate related with material heat treatment and plating is required 

     

    High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

    Contact Details
    Jiangsu New Heyi Machinery Co., Ltd

    Contact Person: wuxiheyi

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