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E235 Carbon Steel Silver Hydraulic Tubing

  • Carbon Steel

  • EN10305

  • BS EN 10305-4 E235 +N

Availability:
Quantity:

Chemistry Compositio

C, %

Si, %

Mn, %

P, %

S, %

0.17 max

0.35 max

1.20 max

0.025 max

0.025 max


Mechanical Properties


Tensile Strength , MPa




Yield Strength, MPa



Elongation, %



Delivery Condition



340-480



235 Min.



25 min



+N




Standard



EN10305



Material



Carbon Steel



Application



A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension



B. Hydraulic cylinders (HPZ)



Type



BS EN 10305-4 E235 +N



OD



3mm-60mm



Detailed Image



galvanized tube

Additional surface treatment

  1. Black phosphated (BP)

  2. Bright Annealing (BA)

   3. Galvanizing ( White/silver galvanizing, Yellow or Olive green galvanizing is avaible)


EN 10305-4 is an European standard that deals with steel products, pipe components, and pipes. It specifies the technical delivery conditions for seamless cold-drawn steel tubes for precision applications. Specifically, this standard is mainly applied to the manufacture of high-precision, high-quality seamless cold-formed tubes, especially for hydraulic and pneumatic systems. These tubes are mainly used in a variety of industrial sectors, including automotive, mechanical engineering, and hydraulics. Here is a description of EN 10305-4 steel pipes:


1. Material Composition: EN 10305-4 steel tubes are typically made from high-quality, low-carbon or low-alloy steel. The specific material composition may vary based on the application, with variations of steel grades to meet different performance requirements.


2. Cold-Drawn Precision: These tubes are produced using a cold drawing process, which imparts precise dimensions and a smooth, uniform surface finish. Cold drawing involves pulling a solid steel bar through a die to reduce its diameter and improve its mechanical properties.


3. Precision Tolerances: EN 10305-4 defines strict tolerances for the outer diameter, inner diameter, wall thickness, and other dimensional aspects. This precision ensures that the tube meets exact specifications, which is crucial in applications demanding high accuracy.


4. Seamless Design: EN 10305-4 steel tubes are seamless, meaning they do not have welded seams. This feature eliminates the risk of weak points or leaks, making them suitable for high-pressure and critical applications.


5. Wide Range of Sizes: These tubes are available in a variety of sizes, allowing them to be used in a broad spectrum of applications. They can be tailored to fit specific requirements, from small-diameter tubes to larger ones.


6. Surface Finish: The tubes typically have a smooth, polished, or finely finished surface. This surface finish is important in applications where internal cleanliness and reduced friction are essential, such as hydraulic systems.


7. Applications: EN 10305-4 steel tubes find use in a wide range of precision applications, including but not limited to:


  - Automotive components: Fuel injection lines, steering systems, airbag inflators.

  - Mechanical engineering: Bushings, bearings, precision components.

  - Hydraulic systems: Hydraulic cylinders, piston rods, and hydraulic lines.

  - General industrial and manufacturing applications.


8. Compliance with Standards: These tubes are manufactured in compliance with EN 10305-4, ensuring that they meet specific quality and safety standards. Additionally, they may be tested and certified to meet various industry and customer-specific requirements.


9. Quality Control: Manufacturers of EN 10305-4 steel tubes implement stringent quality control measures to ensure that each tube meets the exacting standards for dimensions, mechanical properties, and surface finish.

 

Conclusion 

In summary, EN 10305-4 steel pipes are highly regarded for their precision, quality, and suitability for demanding applications due to their excellent performance and wide range of applications. Its seamless cold-drawn construction and adherence to exacting standards make it a reliable choice for industries that require precision and performance in piping solutions.


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