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Oil Hydraulic Cylinder Tubes ISO 8535 For High Pressure Fuel Injection

Categories Hydraulic Cylinder Tube
Brand Name: Torich
Model Number: ISO8535
Certification: ISO 9001 TS16949 EN10204.3.1 ISO14001
Place of Origin: China
MOQ: 5tons
Supply Ability: Negotiation
Delivery Time: 30-40days
Packaging Details: Packed in bundles or wooden box or upon request
Material: E235 E355 St37.2
Standad: ISO 8535
Length: Random Length
End: Plain or Chamfer
Certificate: EN10304.3.1
Usage: High Pressure Fuel Injection
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    Oil Hydraulic Cylinder Tubes ISO 8535 For High Pressure Fuel Injection

    ISO8535 High Pressure Oil Hydraulic Cylinder Tube For Fuel Injection


    Wall thickness 1-12.5mm

    Diameter 4-30mm

    Length 5-6m Upon request


    Application :Diesel(compression-ignition)engines

    Produce method: shall be manufactured from unalloyed quality steel or an equivalent steel produced by a steel-making process that ensures a very homogeneous structure.

    The final reduction of the tube shall be followed by treatment to achieve the specified mechanical properties. Please advise.


    Characteristic:Precision,Smooth finish,Cleanliness,High mechanical properties.


    Delivery condition: NBK/GBK.

    Outside surface condition

    0: No

    1:Outside surface as processed, without any additional finish. Tubes annealed or normalized in a controlled atmosphere may be discoloured,but shall be free from loose scale.

    2.Zinc electroplated with a coating layer thickness of 8μm minimum and an additional colourless chromatinga

    3. Zinc electroplated with a coating layer thickness of 8μm minimum and an additional yellow chromating

    4 ,5,6,7,8 Reserved for further application

    9 As specified subject to agreement

    A: Chromating as described in ISO2080 and ISO4520


    Characteristic :

    Mechanical properties

    Code

    Tensile strength Rm N/mm2 Min

    Proof strength

    Rp0.2

    N/mm2 Min

    Elongation

    A5

    %

    Hardness

    HV

    Max

    1

    310

    205

    30

    115

    2

    360

    220

    23

    150

    3

    490

    335

    22

    194

    4

    600

    430

    15

    280

    Note: The mechanical properties apply when the tubes is tested in accordance with ISO6507-1 and ISo6892-1


    Tolerance is

    Inside diameter ,d

    d≤4mm:±0.05mm for class2 (for diesel (compression-ignition)engines)

    ±0.025mm for class 1(for fuel injection pump testing)

    d>4mm:±0.10mm

    Outside diameter,D

    D<8mm:±0.06mm

    D≥8mm: ±0.10mm

    For Class 1 and Class2 Please refer above explain.

    The maximum value of the concentricity of the tube outside diameter relative to inside diameter shall be proportional to the wall thickness, as shown in Figure1.

    Normative references: ISO404 Steel and steel products—General technical delivery requirements.

    ISO6507-1 Metallic materials—Vickers hardness test—Part1: Test method

    ISO6892-1 Metallic materials—Tensile testing—Part1:Method of test at room temperature

    ISO12345 Diesel engines—Cleanliness assessment of fuel injection equipment



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