Tungsten Carbide Sleeves

Description Of Tungsten Carbide Sleeves

Tungsten Carbide Sleeves are high-performance cylindrical components manufactured from tungsten carbide (WC) with a metallic cobalt binder through powder metallurgy and advanced HIP (Hot Isostatic Pressing) sintering processes. These sleeves are precision-engineered to provide exceptional wear resistance, corrosion resistance, and dimensional stability in demanding industrial applications, where they serve as protective liners, bearing surfaces, and wear components in pumps, hydraulic cylinders, and various rotating equipment.

Industrial sleeves operate under some of the most punishing conditions — continuous exposure to abrasive particles, corrosive fluids, high pressures, and elevated temperatures causes conventional steel sleeves to wear rapidly, leading to equipment failure, unplanned downtime, and costly repairs. Tungsten carbide sleeves precisely address these challenges through their unique combination of extreme hardness, wear resistance, and corrosion resistance.

Tungsten carbide is one of the hardest materials available for industrial wear applications. With hardness ranging from HRA 87 to 92 — significantly harder than tool steel and most ceramic materials — tungsten carbide sleeves maintain their dimensional integrity through abrasive and corrosive conditions, ensuring consistent performance and extended service life. The material also offers excellent thermal conductivity, low coefficient of friction, and high resistance to thermal shock.

Tungsten carbide sleeves are available in a wide range of sizes and configurations, with precision ground surfaces to achieve tight dimensional tolerances and smooth surface finishes. Multiple grades are offered to suit different operating conditions, fluid types, and wear requirements. Custom sizes can be manufactured to meet specific equipment specifications.

Features Of Tungsten Carbide Sleeves

Extreme Hardness: Tungsten carbide sleeves offer hardness of HRA 87 to 92 — significantly harder than tool steel and most ceramic materials — maintaining dimensional integrity through abrasive and corrosive conditions.

Superior Wear Resistance: Tungsten carbide provides exceptional resistance to abrasion from sand, particulates, and erosive fluids, significantly extending sleeve life and reducing maintenance frequency.

Excellent Corrosion Resistance: Tungsten carbide offers excellent resistance to a wide range of chemicals, including acids, alkalis, and organic solvents, making it suitable for demanding chemical processing applications.

High Thermal Conductivity: With thermal conductivity of approximately 100–120 W/(m·K), tungsten carbide sleeves efficiently dissipate heat from the wear interface, preventing thermal damage and extending service life.

Low Coefficient of Friction: The low friction coefficient of tungsten carbide against mating surfaces ensures smooth operation, reduced heat generation, and longer component life.

High Transverse Rupture Strength (TRS): TRS values up to 3,000 N/mm² provide the strength needed to withstand high pressures and mechanical shock during operation.

High Density: With density ranging from 14.0 to 15.0 g/cm³, tungsten carbide sleeves provide excellent dimensional stability and resistance to deformation under pressure.

Precision Ground Surface: Precision grinding achieves tight dimensional tolerances (±0.01mm or better) and surface roughness Ra ≤0.8μm, ensuring proper fit and smooth operation.Customizable Dimensions: Available in a wide range of sizes with inner diameter 3–500mm, outer diameter 6–600mm, and length up to 800mm.

Nickel-Bonded Options (Non-Magnetic): Nickel-bonded grades are available for applications requiring non-magnetic properties or enhanced corrosion resistance.

Specifications Of Tungsten Carbide Sleeves