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Honing tube manufacturer & supplier

Durch mehr als 23 Jahre Entwicklung verfügt BOS Hydraulic jetzt über 3 Fabriken, 1 Forschungszentrum und 1 Vertriebszentrum. Mehr als 100 Kunden aus 40 Ländern und Regionen haben langfristige Geschäftsbeziehungen mit uns aufgebaut. Die Produkte sind von nationalen und internationalen Behörden zertifiziert.
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Verchromte geschliffene Rohre

Chrome Plated Honed Tubes are high-precision steel tubes with a hard chrome layer plated onto a honed inner surface. This combination provides exceptional wear resistance, excellent corrosion protection, and a very smooth, low-friction bore. They are renowned for durability and reliable performance, making them ideal for hydraulic cylinders, industrial machinery, and automotive applications where precision and long service life are critical.

Chrome Plated Honed Tubes Series

Advantages of Bos honing tube

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Leading technical expertise
Exquisite craftsmanship guarantees the long-lasting and stable quality of products
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Strict quality management system
BOS promise to manufacture and deliver strictly according to the drawing specifications
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Complete customization capabilities
BOS provides a full range of customized services
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Technical Support
Professional engineers with more than 20 years of experience always serving you.

Bos honing tube first choice

With years of experience in honing tube manufacturing, we deliver customer satisfaction through both manufacturing and customization.

At Bos, we care about you and your company. We specialize in honing tube customization, material selection, and manufacturing, and we offer superior service tailored to your needs.

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Chrome Plated Honed Tubes:
The Ultimate Solution for Demanding Hydraulic Applications

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A Chrome Plated Honed Tube begins its life as a high-quality seamless steel tube, which is first subjected to a precision honing process. This initial stage is crucial, as it creates the geometrically perfect, smoothly textured inner surface that is the hallmark of any superior cylinder tube. However, our process continues where standard honed tubes stop. The honed substrate then undergoes a sophisticated electroplating process, depositing a thick, dense, and uniform layer of hard chromium onto the meticulously prepared inner surface. This combination is transformative. The honing provides the ideal geometry for seal compatibility and piston stability, while the hard chrome plating delivers an exceptionally hard, corrosion-resistant, and low-friction wear surface.
In the realm of hydraulic engineering, where performance longevity and reliability are non-negotiable, the cylinder barrel stands as a critical determinant of system integrity. While a honed tube provides an excellent foundation, applications facing corrosive environments, abrasive contaminants, or extreme operational demands require a superior level of protection. As a specialized manufacturer with deep expertise in precision fluid power components, we offer a definitive solution through our premium Chrome Plated Honed Tubes. We have established ourselves as a leading Chrome Plated Honed Tubes Supplier by mastering the intricate synergy between a perfectly honed substrate and a flawlessly applied hard chrome plating, delivering unparalleled durability for the world's most challenging applications.
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Distinct Advantages: The Compelling Case for an Upgrade

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Choosing our Chrome Plated Honed Tubes is an investment in operational uptime and reduced total cost of ownership. The advantages are direct and significant.

Exceptional Wear and Abrasion Resistance: With a surface hardness typically exceeding 900 HV, the plated surface dramatically resists wear from piston rings and seals, and is highly resilient to abrasive contaminants in the hydraulic fluid.

Permanently Low Friction Coefficient: The naturally low friction of chrome reduces stiction and running friction, leading to smoother cylinder operation, higher mechanical efficiency, and reduced heat generation within the system.

Extended Service Life and Reduced Downtime: By simultaneously combating wear and corrosion, these tubes outlast standard honed tubes by a significant margin, translating into fewer replacements, less unplanned downtime, and lower long-term maintenance costs.

Why Partner With Us: The Manufacturer's Edge

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Our position as a trusted Chrome Plated Honed Tubes Supplier is built upon a foundation of specialized expertise and an uncompromising quality assurance regimen. We understand that a successful chrome plating is entirely dependent on the quality of the underlying honed substrate. Our vertical integration allows us to maintain strict control over both the honing and plating processes. We employ advanced controlled-depth plating techniques to ensure a uniform, consistent chrome layer that is free from micro-cracks, porosity, or delamination risks.

Furthermore, our technical team provides more than just a product; we offer application-specific guidance. We help our clients determine the optimal combination of substrate material, honing finish, and chrome plating thickness for their specific pressure, corrosion, and wear challenges. This collaborative approach ensures that the Chrome Plated Honed Tubes you receive are not just an off-the-shelf component, but a custom-engineered solution designed for maximum performance and longevity.

Honing Tube Details and Applications

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Hydraulic hose and oil-driven applications

Honing Tube China's Best Manufacturer

Bos Hydraulic With its leading technical expertise, strict quality management system, continuous R&D investment and efficient service team, it has won wide recognition and trust in domestic and foreign markets and become an outstanding brand in the precision tube industry.
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Bos Honing Tube Manufacturers

Honed Tube – The Ultimate FAQ Guide

A Honed Tube is a precision cold-drawn seamless tube with a finely finished inner surface, achieved through a honing process. This creates a smooth, cross-hatched texture ideal for hydraulic and pneumatic cylinders, ensuring minimal friction, superior seal performance, and extended service life. Its excellent geometric accuracy guarantees reliable, efficient operation in demanding industrial applications.
What materials are commonly used for honed tubes?

Common materials include:


Carbon steel (e.g., ST52, 1020, 1045)


Alloy steel (e.g., 4130, 4140)


Stainless steel (e.g., 304, 316)

The choice depends on application requirements such as strength, corrosion resistance, and operating environment.

What is the difference between honed tubes and skived & roller burnished (SRB) tubes?

Honed tubes are finished using abrasive stones that create a precise, cross-hatched surface, while SRB tubes are processed using a cutting tool (skiving) followed by a burnishing roller. Honed tubes generally provide better surface finish and straightness, while SRB tubes can be more cost-effective for certain applications.


What are the standard tolerances for honed tubes?

Standard tolerances include:


Inner Diameter: H8 or H9


Straightness: Typically 1:2000 or better


Wall Thickness: Varies by application but usually within ±10%

How should honed tubes be stored and handled?

Store vertically or on properly supported racks


Keep protective end caps in place until installation


Maintain a clean, dry storage environment


Use appropriate lifting equipment to prevent bending

What quality certifications are available for honed tubes?

Reputable manufacturers typically provide:


Material certificates (3.1/3.2)


Dimensional inspection reports


Surface roughness test reports


Compliance with international standards (ISO, DIN, ASTM)

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