High Strength Precision Steel Tube For Pneumatic Cylinder

Precision steel tubes are widely used in various industrial applications. One of them is pneumatic cylinders, where high strength and high precision are crucial. Pneumatic cylinders are usually made of carbon steel and are manufactured using a seamless cold-drawn process. This product complies with the EN 10305-1 European standard and is widely used in various applications, including machining, hydraulic, and pneumatic systems.
Outer Diameter: 6mm-350mm
Wall Thickness: 1mm-35mm
Length: Can be customized upon request
Steel Grade: E235, E275, E355.

Products Description

High Strength Precision Steel Tube For Pneumatic Cylinder

Advantages of E355 material for cylinders

High yield strength, pressure resistance: minimum yield strength ≥ 355 MPa, can withstand higher internal gas pressure and dynamic loads without deformation, suitable for heavy-duty or high-cycle pneumatic actuators.
Excellent dimensional accuracy: supplied in the form of cold-drawn precision seamless steel tube (EN 10305-1), with precise and tight OD/ID tolerances, which can ensure piston seal integrity, minimize air leakage, and ensure smooth piston movement.
Good weldability and machinability: non-alloy carbon steel, easy to weld or machine, easy to transplant, tap, and integrate custom accessories.

Application Areas

Pneumatic cylinder barrels and sleeves
Industrial automation and robotics
Packaging and assembly line machinery
Actuator components
Light hydraulic systems
Linear motion and guide tubes

Chemical Composition

Grade	C	Mn	P (max)	S (max)	Si
E235	≤ 0.17	0.35–0.70	≤ 0.025	≤ 0.025	≤ 0.35
E275	≤ 0.21	0.30–0.70	≤ 0.025	≤ 0.025	≤ 0.35
E355	≤ 0.22	0.50–1.20	≤ 0.025	≤ 0.025	≤ 0.55

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation A (%)
E235	≥ 235	340–520	≥ 25
E275	≥ 275	410–580	≥ 21
E355	≥ 355	490–630	≥ 22

Possible Alternative Grades

While ST 52 is the most commonly used steel grade for high strength precision steel tubes, there are alternative grades available that may suit specific requirements. Some possible alternative grades include:

ST 37
ST 44
ST 45
ST 50
ST 60

These alternative grades possess different mechanical and chemical properties, and their suitability depends on the specific application and performance requirements.

Packaging

Once the pipes have passed all inspections and tests, they are ready for packaging. They are usually packaged in bales wrapped in plastic. The pipes can be bundled and ready for delivery according to customer requirements, ensuring that the pipes are protected during transportation and prevent surface damage.

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