Pipe For Cryogenic Device
Pipe For Cryogenic Device - industrial steel pipe
Cold Drawn Seamless Precision Hydraulic Cylinder Honed Tubing Manufacturer
Factory supply finished honed seamless tube with mirror inner bore, customized ID/OD/length, stress relief annealing, full NDT inspection, complete export MTC certification for hydraulic cylinder manufacturing.
A honed tube (also called a cylinder tube) is a precision seamless steel tube whose inner diameter (ID) has been processed by honing or skiving & roller burnishing to achieve:
Honed tubes are typically manufactured from CDS (Cold Drawn Seamless) or DOM (Drawn Over Mandrel) steel tubes, using suitable-to-hone cold drawn seamless mother tubes.
Honed tubes are manufactured to meet stringent international specifications, ensuring consistent performance in hydraulic and pneumatic systems.
Honed tubes are the preferred material for hydraulic cylinder manufacturing. The honing process uses abrasive stones and polishing media to achieve precise ID dimensions and excellent surface integrity.
As a result, honed tubing is ready for assembly without additional internal machining—making it ideal for demanding engineering environments.
As a leading honed tube supplier, we manufacture tubes in a wide range of metric and imperial sizes:
Common diameters range from 1″ (25.4 mm) up to 10″ (254 mm) or more, depending on application requirements such as hydraulic cylinders, pneumatic systems, and required tolerances.
When project specifications require non-standard sizes or special steel grades, we manufacture honed tubes from selected raw materials and tailor the production process accordingly.
Special operations—such as honing left-end bores and maintaining strict roundness where O-rings are installed—are critical to overall system performance and sealing reliability.
Honed tubes are widely used in hydraulic and pneumatic systems across multiple industries:
Honed tubes provide a smooth, precision-finished inner surface that:
The tube surface finishing adopts the NBK condition. After phosphating and normalizing, the tubes gain improved corrosion resistance and are oiled both inside and outside. The normalizing process produces a tougher microstructure by heating the metal to a high temperature and allowing it to cool naturally to room temperature, resulting in improved formability, hardness, and ductility.
Honing is a precision grinding and finishing process. It offers both high productivity and excellent machining accuracy, significantly improving surface finish and wear resistance of the honed tubes.
Hydraulic steel tubes are designed to convey hydraulic fluids between components such as fittings, valves, flanges, and actuators. Common materials include E355 (ST 52.4) and E235 (ST 37.4), which differ in chemical composition to suit varying working pressure requirements.
| Grade | C % | Si % | Mn % | P % | S % |
|---|---|---|---|---|---|
| E355 (ST52.4) | ≤ 0.22 | ≤ 0.55 | ≤ 1.60 | ≤ 0.045 | ≤ 0.045 |
| E235 (ST37.4) | ≤ 0.17 | ≤ 0.35 | ≤ 1.20 | ≤ 0.045 | ≤ 0.045 |
Hydraulic tubes are manufactured according to DIN 2391 / EN 10305-1 or DIN 2445-2 / EN 10305-4, and are available in metric (mm), imperial (inch) outer diameters, and nominal bore sizes.
Allowable working pressures are calculated in accordance with DIN 2413 at normal temperature. Yield and tensile stress values are used to determine maximum allowable operating pressure and required wall thickness. Actual values are verified from material certificates. Pressure reduction factors at elevated temperatures are shown below:
| Temperature | -40 °C (-40 °F) |
120 °C (248 °F) |
150 °C (302 °F) |
175 °C (347 °F) |
200 °C (392 °F) |
250 °C (482 °F) |
|---|---|---|---|---|---|---|
| Rating Factor | 0.90 | 1.00 | 0.89 | 0.89 | 0.83 | NA |
The honed tubes suitable for various kinds of Precision Mechanical Tube, Honed Cylinder Tubing and Hydraulic Cylinder, Construct use Multi Joint Tube, Steel Axis Pipe, Injection Machine and Robotic Arm.
Seamless Honed Tubes (Steel) with a micro-finish and highly accurate in bore size within tolerance H7 or equivalent.
Grade: ST 52, ST52.3, CK45, E355, 16Mn, STKM13C, SAE1020, SAE1026, SAE1045
Honed Tubes are ready to use for hydraulic cylinder applications without further ID processing.
Different sizes of ready to use honed tube are available.
| ID(mm) | TOLERANCE(mm) | |||
|---|---|---|---|---|
| H7 | H8 | H9 | H10 | |
| ≦30 | +0.021/0 | +0.033/0 | +0.052/0 | +0.084/0 |
| 30 – ≦50 | +0.025/0 | +0.039/0 | +0.062/0 | +0.100/0 |
| 50 – ≦80 | +0.030/0 | +0.046/0 | +0.074/0 | +0.120/0 |
| 80 – ≦120 | +0.035/0 | +0.054/0 | +0.087/0 | +0.140/0 |
| 120 – ≦180 | +0.040/0 | +0.063/0 | +0.100/0 | +0.160/0 |
| 180 – ≦250 | +0.046/0 | +0.072/0 | +0.115/0 | +0.185/0 |
| 250 – ≦315 | +0.052/0 | +0.081/0 | +0.130/0 | +0.210/0 |
| 315 – ≦700 | +0.057/0 | +0.089/0 | +0.140/0 | +0.230/0 |
This will provide long piston seal life and prevent failure of the cylinder. The tube material is selected on the basis of application & working pressure.
The seamless tube for hydraulic cylinders, obtained from high quality cold drawn tubes, available in a wide dimensional range.
Carbon steel Hydraulic Cylinder Tubing is available with grades as below:
Stainless steel Honed tube can be supplied in grades as below:
Other steel grades of hone tube /honed pipe is available on customer’s request.
Roller burnished tube is a type of metal tube that has undergone a specialized finishing process to achieve a smooth and polished surface texture.
This process involves the use of precision rollers to apply pressure and polish the outer surface of the tube, resulting in enhanced strength, improved corrosion resistance, and reduced friction.
Related keywords related to roller burnished tube on Google may include:
Hydraulic cylinder tubes are precision-made hollow cylinders, typically constructed from steel or other high-strength materials, designed for use in hydraulic systems.
Hydraulic cylinder tubes play a crucial role in hydraulic systems and find applications across a wide range of industries:
In the context of machining and manufacturing, a "boring tube" refers to a tool or device used for the process of boring.
Boring is a machining operation used to enlarge or refine an existing hole or cavity in a workpiece. The boring tube is inserted into an existing hole to accurately shape and size it to the desired specifications. It is a cylindrical tool that rotates and cuts to achieve the desired precision in machining internal diameters or holes. Boring tubes are commonly used in various manufacturing processes to create accurate and precise bores in mechanical parts and components.
Keywords related to Boring tube on Google may include:
A piston rod is a critical component in piston–cylinder arrangements, used in internal combustion engines, hydraulic cylinders and pneumatic cylinders to transmit force and convert motion.
The piston rod connects the piston to the crosshead or connecting rod, converting reciprocating motion into rotational motion in engines, or translating fluid pressure into linear mechanical force in hydraulic and pneumatic systems.
Piston rods are typically manufactured from high-strength alloy steel, often subjected to induction hardening, chrome plating and precision grinding to withstand fatigue, corrosion and wear in demanding service conditions.
A galvanized hydraulic tube refers to a hydraulic tube that has undergone a galvanizing process.
Din2391 Galvanized Hydraculic Precision Steel Tubes Synopsis of Process Routing：DIN highly accurate, cold rolled and bright seamless steel tube is used as the tube to be galvanized. The outer wall of tube is electroplating.
When producing galvanized steel tubes, we use no-oxygen furnace to annealed the tubes which ensuire the smoothness of the inner and outside surface.Both the inner and outer surfaces of the high precision steel tubes can be galvanized or Zn only coated to the outside diameter,giving the tube a high homogeneity and an excellent rust resistant performance.
Our Hydraulic manufactures honed steel tubes and skived roller burnished tubes designed for use in hydraulic and pneumatic cylinders. Our products are known for their high quality and competitive prices. We offer both imperial and metric sizes to suit your specific needs.
Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.
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The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.
Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.
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When you partner with Sunny Steel, you can stop worrying about meeting deadlines thanks to our responsive and timely service. You'll also say goodbye to unnecessary shopping around. Instead, you'll get white glove service from an expert who understands your needs and can get you the materials you need quickly.
