Precision Honed Hydraulic Cylinder Replacement Barrel: Available in CK20/CK45/Q345B (material customizable), featuring H8 dimensional tolerance and Ra 0.2–0.4 surface finish. A core hydraulic cylinder spare part, suitable for repair and assembly applications, offered individually or in bulk. Material & Manufacturing Process: Base Materials: CK20, CK45, Q345B, or customizable (selected according to load and operating conditions to ensure overall barrel strength and pressure resistance) Processes: Precision internal honing (ensures high surface smoothness) + external anti-rust treatment; dimensional tolerance maintained at H8, internal surface roughness refined to Ra 0.2–0.4. Key Features: High-precision inner wall: Surface roughness of Ra 0.2–0.4 combined with H8 dimensional tolerance minimizes wear on piston rods and seals, extending the service life of the hydraulic system High-pressure compatibility: Seamless construction supports medium-to-high pressure hydraulic systems (working pressure ≤ 31.5 MPa) Strong adaptability: Compatible with most standard hydraulic cylinder piston rods and seals, enabling easy installation Application Scenarios: Hydraulic cylinder repair and replacement for construction equipment, barrel upgrades for industrial hydraulic units, assembly of injection molding machine hydraulic cylinders, support for construction machinery hydraulic systems, and more.