Why F-1140 Cylinder Rods Are the Great Choice for Hydraulic Cylinders

F-1140 cylinder rod has very good machinability, similar to 1045 uncoated bar. Machining however should commence beneath the chrome plating, or at the unchromed surface at the end of the bar. ck45 is a medium tensile carbon steel supplied in the cold drawn or turned, precision ground, polished, chrome plated and final polished condition, with a typical base metal tensile strength of 670 – 800 Mpa, plus a typical hard chrome plated surface hardness of HV 1000 – 1150. Characterised by an extremely smooth surface finish with excellent wear and corrosion resistance, coupled with a base material giving good strength and impact properties, plus good machinability and reasonable weldability.

Superior Material & Engineering: The CK45 F-1140 Advantage

Crafted from premium CK45 high-carbon steel, the F-1140 cylinder rod undergoes advanced heat treatment and precision grinding to achieve:

Exceptional Hardness (HRC 50-55): Resists wear and deformation under heavy loads.
Corrosion Resistance: Chrome-plated surface (thickness 20-25μm) withstands harsh environments, including moisture and chemicals.
Straightness Tolerance ≤0.1mm/m: Ensures smooth operation and reduces seal wear in hydraulic/pneumatic cylinders.

These features translate to 30% longer service life compared to standard rods, minimizing downtime and replacement costs.

When evaluating cylinder rod suppliers, prioritize partners who offer:

ISO 9001 & TS 16949 Certification: Guaranteed consistency across batches.
Customization Options: Diameters from 20mm to 600mm, lengths up to 6 meters.
Non-Destructive Testing (NDT): 100% magnetic particle inspection for defect-free delivery.
Technical Support: Free metallurgical analysis and failure diagnosis.