ST52 Skived and Roller Burnished Tube

EASTAI’s ST52 Skived and Roller Burnished Tube is a high-precision steel tube specifically engineered for hydraulic cylinder applications. Using high-grade ST52 seamless steel, this product is processed with internal skiving and roller burnishing to achieve tight dimensional tolerance, high surface smoothness, and superior wear resistance. Our tubes meet or exceed international hydraulic cylinder standards and are trusted by OEMs and distributors worldwide.

ST52 Skived and Roller Burnished Tube Technical Specifications

ST52 Skived and Roller Burnished Tube Production Capacity

EASTAI operates with a high-efficiency production line dedicated to SRB and honed tubes. With advanced skiving and burnishing machines, we achieve a daily production capacity of 30 tons. Our in-house manufacturing capabilities enable us to handle both standard and customized orders promptly, ensuring consistent supply and lead time reliability.

ST52 Skived and Roller Burnished Tube Application Scenarios

ST52 Skived and Roller Burnished Tubes are widely used in high-performance hydraulic systems, especially in:

• Hydraulic cylinders for construction and agricultural machinery

• Lifting and hoisting equipment

• Mining and drilling machinery

• Industrial automation systemsThese tubes are ideal for applications requiring smooth motion, high pressure resistance, and long service life.

ST52 Skived and Roller Burnished Tube Processing & Machining Services

We offer value-added services to meet your specific needs:

• Cut-to-length service (±1mm accuracy)

• Chamfering and deburring

• Threading, welding prep, and port machining

• Custom inner diameter polishing and finishingOur in-house processing capability helps shorten your production cycle and reduce total cost.

ST52 Skived and Roller Burnished Tube Packaging & Shipping

• Bundled with Steel Straps:

  Every tube is packed in strong bundles with steel straps to prevent deformation during transit.

• Anti-Rust Oil Coated:

  Tubes are coated with SGS-approved anti-rust oil for long-term protection (up to 3 years).

• Plastic Caps:

  Ends are sealed with plastic caps to prevent entry of moisture and dust.

• Optional Wooden Crates:

  For export or fragile orders, we provide seaworthy wooden cases.

• Labeling:

  Each bundle is labeled with specifications, heat number, and traceability information.

• Shipping Options:

  By container (FCL/LCL), truck, or air freight based on client needs.

ST52 Skived and Roller Burnished Tube Why Choose EASTAI

1. Long-Term Rust Protection

   All SRB tubes are coated with premium anti-rust oil that complies with European standards and passes SGS testing, ensuring corrosion resistance for up to 3 years.

2. Sufficient Stock

   We maintain over 5,000 tons of ready stock and operate an 8,000 m² facility, allowing standard orders to be shipped within 7 days.

3. No Worry About Production Capacity

   EASTAI is equipped with advanced production lines and high-end machinery capable of fulfilling special and customized orders efficiently. Our robust daily capacity of 30 tons ensures stable lead times and reliable delivery, even for urgent or large-volume projects.

4. Promised Quality as Your Hopeful

   We have the world's most advanced testing equipment and a strong quality inspection team; we ensure that the straightness of the SRB & Honed Tube is <0.4/1000mm, the inner diameter tolerance is H8 (or strictly controlled according to customer requirements), and the surface roughness is <0.15μm.

5. Excellent Raw Materials

   The RAW MATERIALS OF SRB&Honed tubes are from well-known steel mills in China, such as Bao steel, TPCO, Fengbao steel, Yegang steel, Hengyang steel, Shagang steel group, Huarun steel, etc. The good raw materials ensure that the finished honed tubes can bear high pressure and don’t deform in harsh environments, and work more stably.

6. After-sales Risk Commitment

   By signing a written agreement with the customer, the risk is controlled at an extremely low level to provide the customer with a greater degree of safety and security.

   
   
   
   
   
   
   
   

ST52 Skived and Roller Burnished Tube Customization Capability

We understand that every application is unique—and so are your technical requirements. EASTAI provides a full range of customization services for ST52 Skived and Roller Burnished Tubes to meet your specific hydraulic system needs:

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  Custom Dimensions:

  • Inner Diameter Range: 50mm – 250mm

  • Length: up to 13 meters or cut-to-length upon request

  • Wall Thickness: according to project load or pressure requirements

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  Precision Machining Options:

  • Custom boring, port holes, threads, or grooving

  • Chamfering, face milling, and welding bevel prep

  • CNC turning and drilling for hydraulic components

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  Tolerance Adjustments:

  • Can meet stricter tolerances than standard H8 upon request

  • Outer diameter tolerance control within ±0.50mm

  • Enhanced straightness and roundness requirements can be achieved

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  Surface Treatment Options:

  • Oil sealing for long-term rust prevention

  • Phosphating or pickling for additional corrosion resistance

  • Customized color-coded or labeled ends for batch management

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  Packaging Customization:

  • Logo or barcode stickers

  • Pallet size adaptation for container efficiency

  • Custom export-grade wooden boxes

• Woven Bag Bundling

• Logo or Barcode Stickers

• Wooden Boxes

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ST52 Skived and Roller Burnished Tube Certifications & Compliance

At EASTAI, we take quality seriously. All ST52 SRB & Honed Tubes are produced under strict quality systems to ensure full compliance with global industrial standards.

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  Material & Process Certifications:

  
  

  • Raw materials sourced from certified steel mills (Baosteel, TPCO, Fengbao, etc.)

  • Material test reports (MTC) provided with every batch

  • Chemical composition and mechanical property tests conducted regularly

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  Product Standards Compliance:

  
  

  • DIN 2391, EN 10305-1, ISO 6431 for hydraulic applications

  • Surface finish, tolerance, straightness comply with international cylinder design standards

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  Third-Party Verification:

  
  

  • SGS, TUV, BV inspection support upon request

  • Full documentation for export customs clearance (CO, Form E, CE Declaration, etc.)

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  Environmental & Safety Compliance:

  
  

  • Anti-rust oil meets EU RoHS & REACH regulations

  • Low-emission, eco-friendly oil sealing process approved

  • All packaging materials comply with international phytosanitary standards (ISPM15)

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  GL Approval of Material Manufacturers (AMM):

  
  

  • EASTAI is certified by Germanischer Lloyd, proving that our production and raw material supply chain meet the strict requirements of offshore and marine-grade hydraulic system manufacturers.

    
    

ST52 Skived and Roller Burnished Tube Global Service & Support

EASTAI serves clients across over 30 countries. We provide:

• Technical support on material selection and application

• After-sales consultation and quick response to quality issues

• On-time delivery with tracking and progress updatesYour satisfaction is our long-term commitment.