Burnished Tubes play a vital role in hydraulic systems, especially where precision, smooth motion, and durability are required. These tubes are engineered to provide an ultra-smooth internal surface, making them ideal for use in hydraulic cylinders and other fluid power applications. Burnished Tubes are high-precision steel tubes widely used in hydraulic and industrial applications where smooth internal surfaces, strength, and dimensional accuracy are essential. Manufactured through a specialized finishing process, these tubes offer improved performance, durability, and cost efficiency compared to conventional tubing.

WHAT ARE BURNISHED TUBES?

Burnished tubes are steel tubes that undergo a specialized finishing process called roller burnishing. This process involves pressing hardened rollers against the inner surface of the tube to smooth and refine it without removing material (like machining or honing), this process compresses and smooths the surface, resulting in a polished, mirror-like finish.

burnished tubes

Burnished tubes are a crucial component in modern hydraulic and industrial systems. Their smooth finish, enhanced strength, and cost-effectiveness make them an excellent choice for applications requiring reliable performance and durability. By reducing friction, extending component life, and improving efficiency, burnished tubes contribute significantly to the overall productivity and longevity of industrial machinery. Burnished Tubes are widely used in hydraulic cylinders, where they serve as the cylinder barrel.

Burnished Tubes are preferred for strength and cost efficiency, while honed tubes are ideal when lubrication retention and ultra-precision sealing are required.

HOW BURNISHING WORKS

Burnished tubes are widely used in hydraulic cylinders, where they serve as the cylinder barrel.
• Providing a smooth path for piston movement
• Supporting efficient sealing systems
• Maintaining hydraulic pressure
• Reducing energy losses due to friction
• Smoothing out peaks and irregularities
• Strengthening the surface through plastic deformation
• Inserting a multi-roller tool into the tube

KEY FEATURES AND BENEFITS OF BURNISHED TUBES

• High Dimensional Accuracy

Maintains tight tolerances for better sealing and alignment.

• Better Performance

Ensures consistent motion and reliable operation in demanding environments.

• Enhanced Surface Hardness

Cold working during burnishing increases hardness and fatigue resistance.

• Improved Wear Resistance

Stronger surface resists abrasion and prolongs service life.

• Longer Seal Life

Less surface roughness reduces wear on seals, preventing leakage.