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Precision Honed Tubes &
Chrome Plated Bars

High-performance hydraulic cylinder components engineered for durability, precision, and reliability. Trusted by global industries for over 25 years.

Honed Tube Close-Up Chrome Plated Bar Telescopic Hydraulic Cylinder

Engineered for Excellence

As a leading manufacturer in the hydraulic cylinder industry for nearly 30 years, Skyline Pipes produces high-precision steel honed tubes, chrome plated bars, and custom hydraulic cylinders. Our expertise ensures unmatched quality and performance across demanding industrial applications.

With three integrated factories at one location — dedicated to honed tubes, chrome plated bars, and hydraulic cylinders — we maintain full control over production, quality, and delivery timelines.

  • 25+ years of manufacturing experience
  • Advanced production equipment
  • Top-grade raw materials
  • ISO-level quality management system
Manufacturing Process Hydraulic Components

Our Core Products

Precision-engineered components designed for high-pressure, high-durability hydraulic and mechanical systems.

Honed Tube

Honed Tube | Hydraulic Cylinder Tube

Precision-machined steel tubing with ultra-smooth internal finish. Ideal for hydraulic and pneumatic cylinders requiring tight tolerances and minimal friction.

  • • Material: ST52, ST54.4, 20MnV6, or custom alloys
  • • ID Tolerance: H8 to H9
  • • Surface Finish: Ra 0.1–0.4 μm
  • • Sizes: OD 40mm–500mm, Length up to 12m
Chrome Plated Bar

Chrome Plated Bar | Chrome Plated Shaft

High-strength cold-drawn steel bars with hard chrome plating for superior wear resistance and corrosion protection.

  • • Material: C45, 42CrMo, 20MnV
  • • Chrome Thickness: 20–50μm
  • • Hardness: 68–72 HRC
  • • Diameter: 10mm–300mm
Telescopic Cylinder

Telescopic Hydraulic Cylinders

Multi-stage cylinders for applications requiring long stroke in compact retracted length. Commonly used in dump trucks and lifting platforms.

  • • 2 to 5 stages available
  • • Stroke: Up to 6 meters
  • • Pressure Rating: 16–25 MPa
  • • Custom mounting options
Chrome Plated Tube

Chrome Plated Tubing | Hollow Bar

Chrome-plated outer diameter tubing used in high-wear applications where surface hardness and smoothness are critical.

  • • OD Chrome Plating: 20–40μm
  • • Material: Seamless CDS or DOM tube
  • • Hardness: ≥68 HRC
  • • Applications: Guide sleeves, support rods
CDS Tube

Cold Drawn Seamless Tube (CDS)

Cold-drawn seamless mechanical tubing with excellent dimensional accuracy and surface finish for structural and mechanical use.

  • • Standards: ASTM A519, DIN 2391
  • • Tolerance: ±0.05mm
  • • Surface Finish: Ra ≤0.8μm
  • • Sizes: OD 10mm–200mm
Concrete Pump Cylinder

Concrete Pump Cylinder

Heavy-duty hydraulic cylinders designed for concrete pumping systems, built to withstand abrasive materials and high pressure.

  • • Bore Size: 100–200mm
  • • Stroke: 1.2m–2.2m
  • • Seal Type: U-cup, Hallite, Parker
  • • Max Pressure: 22 MPa
Pneumatic Cylinder Tube

Pneumatic Cylinder Tubing

Lightweight, precision honed tubes optimized for pneumatic systems with fast cycle times and low friction requirements.

  • • Material: Aluminum or Carbon Steel
  • • Finish: Anodized or Chrome Coated
  • • Pressure: Up to 10 bar
  • • Bore Sizes: 16mm–320mm
Custom Hydraulic Cylinders

Custom Hydraulic Cylinders

Fully customized hydraulic cylinder solutions tailored to specific stroke, force, mounting, and environmental requirements.

  • • Single or double acting
  • • Custom seals & coatings
  • • Integrated sensors available
  • • CE & ISO compliant designs

Why Choose Skyline Pipes?

We combine decades of expertise with cutting-edge technology to deliver reliable, high-performance components trusted worldwide.

25+

Years Experience

Proven track record in precision tube and hydraulic system manufacturing.

3

Integrated Factories

Full in-house control from raw material to finished product.

18h

Fast Delivery

Rapid turnaround for samples and bulk orders.

Global

Export Reach

Serving clients in Europe, North America, Asia, and beyond.

Quality You Can Trust

Our mature quality management system ensures every product meets strict dimensional, surface, and performance standards. From raw material inspection to final testing, we maintain full traceability and compliance.

3000+

Tons Monthly Capacity

98%

On-Time Delivery Rate

50+

Countries Served

150+

Engineers & Technicians

Frequently Asked Questions

What is a honed tube used for?

Honed tubes are primarily used as the inner cylinder barrel in hydraulic and pneumatic systems. Their ultra-smooth internal surface ensures tight seal fit, reduces friction, and extends the life of the piston and seals.

What materials are used for chrome plated bars?

Common materials include C45 carbon steel, 42CrMo alloy steel, and 20MnV for high strength and wear resistance. The choice depends on load, pressure, and environmental conditions.

Can you customize telescopic cylinders?

Yes, we offer full customization including stroke length, number of stages, mounting style, seals, and surface treatments to meet specific application needs.

What is the lead time for bulk orders?

Typical lead time is 15–25 days depending on order size and complexity. We offer expedited options for urgent requirements.

Do you provide technical support?

Yes, our professional technical team provides full support from design consultation to installation guidance and troubleshooting.

Get in Touch

Let us help you find the right honed tube or chrome bar solution for your application.

Contact Information

Email: [email protected]

Email: [email protected]

Phone: +86-510-32731295

Mobile: +86-18611720998

Factories: Nancao & Huishan Industrial Zones, Wuxi City, China

Visit Official Website

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