🔧 Precision honed pipes: criteria for selectionPrecision honed pipes - these are high-precision steel pipes with a perfectly formed internal surface, which are used in hydraulic and pneumatic systems. All special processing technologies (honing) result in low roughness, high precision in diameter and the ability to achieve attractive values without deformation.

Let us look at this statistic, where precision pipes will be assembledwhy is the viscosity of their internal surfaces so important, and how choose the right pipe for the hydraulic cylinder or other equipment.


🛠 What is a honed pipe?

Honed pipe - a steel pipe made from cold-drawn or cold-rolled billets, the inner surface of which is trimmed using the хонінгування - fine grinding with an abrasive stone.

📌 Main characteristics:

  • Internal diameter: from 32 mm to 300 mm

  • Accuracy: H8, H9 (ISO standard)

  • Shortness: Ra ≤ 0.4 µm

  • Material: steel E355 (ST52), 20, 45, SAE 1020

  • Dovzhina: 3–6 m, possible cutting before washing


⚙ Purpose of precision honed pipes

Due to the precision and high quality of surface processing, such pipes are ideal for installation at joints, where retractable levers with a high vice, and it is also necessary to avoid wear and tear.

📌 Main areas of stagnation:

Galuz Zastosuvannya
🚜 Гідравліка Hydraulic cylinder liners, pneumatic cylinders
🏗 Special equipment Lifting mechanisms, manipulators
🚢 Shipbuilding Hydrocooling, shogli, keruvannya systems
🛠 Machine building Presses, stamps, vibration installations
🚛 Motor transport Hydraulic suspensions, shock absorbers, boosters
🧪 Kharchova’s chemical industry Installations with high hygienic requirements

Do you still need precise internal finishing?
The precision and roughness of the inner surface blend seamlessly into the resource is increased, the smoothness of the piston stroke and the shorter service life of the hydraulic cylinder.


✅ Advantages of honing pipes

  • 🔩 High accuracy of internal diameter (exhilaration minimal)

  • 🧼 Smooth surface without scoring, which minimizes wear and tear

  • 🛡 Increased value and wear resistance

  • 🔧 Readiness for boiling, cutting and trimmings

  • 🌊 Possibility of further chrome treatment, phosphating treatment, anti-corrosion protection


🔍 How to choose the right precision pipe?

When choosing a pipe, consider both technical and operational parameters:

1. Матеріал труби

  • E355 / ST52 — the most advanced option for hydraulic cylinders, with high value

  • SAE 1020/20/45 — carbon steels for less demanding structures

  • Stainless steel (AISI 304/316) - for food industry and aggressive foods

📌 For high vices, E355 or alloy steel is recommended.


2. Cutting accuracy

  • H8 (widest standard) — ensures an optimal compromise between price and performance

  • H9 — allows a slightly larger gap, suitable for less precise designs

🔍 The greater the accuracy, the longer the life of the strengthened piston.


3. Шорсткість (Ra)

  • Pa ≤ 0.4 µm - standard for most hydraulic cylinders

  • With less shortness (for example, Ra ≤ 0.2 µm) - less friction, longer life


4. Diameter and thickness of the wall

  • Type of diameter and thickness resistance to pressure

  • It is important to believe not only in size, but also ISO tolerances

📏 Diameters vary from Ø32 to Ø300 mm and larger.


5. Surface type: honed and polished

  • Хонінгована - more economical, suitable for 90% hydraulic cylinders

  • Sanded/professional - for high-precision knots or grub industry


🏭 How to remove precision honed pipes from VAT?

Company Art-Metal.com.ua пропонує:

🔹 Great selection of pipes E355, ST52, 20, AISI 304
🔹 Cut to size and delivery throughout Ukraine
🔹 Official accounting - We work without VAT
🔹 Availability of certificates and passports of quality
🔹 Individual consultations for selection

📦 Deliveries are possible to Kiev, Kharkov, Dnipro, Lvov, Odessa and other places.


📎 Visnovka

Precision honed pipes - this is the heart of hydraulic systems, and from their core lies the stability and durability of all equipment. Professional selection of diameter, tolerances, material and surface ensures reliable operation of hydraulic cylinders and machines.

💡 If you need advice or wholesale supply of pipes with VAT - contact us Art-Metal, we know the optimal solution for any given task.


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