Structured Manufacturing Data (2026)

Precision Hydraulic Cylinder Piston Rod

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Precision Hydraulic Cylinder Piston Rod used in the Fabricated Metal Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Precision Hydraulic Cylinder Piston Rod is characterized by the integration of Rod Body and Chrome Plating. In industrial production environments, manufacturers listed on CNFX commonly emphasize Chrome-plated steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

High-precision cylindrical rod that transmits force in hydraulic systems.

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Product Specifications

Technical details and manufacturing context for Precision Hydraulic Cylinder Piston Rod

Definition
A precision-machined cylindrical component that serves as the force-transmitting element in hydraulic cylinders. It converts hydraulic pressure into linear mechanical motion through its reciprocating movement within the cylinder barrel. This critical component is essential in industrial machinery, construction equipment, and manufacturing systems where controlled linear force is required. Its dimensional accuracy and surface finish directly impact system efficiency, seal integrity, and overall equipment reliability in B2B industrial applications.
Working Principle
The piston rod moves linearly within the cylinder barrel, transmitting hydraulic pressure from the piston to external loads while maintaining alignment and seal integrity.
Common Materials
Chrome-plated steel, Stainless steel, Hardened alloy steel
Technical Parameters
  • Rod diameter tolerance for seal compatibility (mm) Standard Spec
  • Surface roughness for optimal seal performance (Ra μm) Standard Spec
Components / BOM
  • Rod Body Part
    Primary force-transmitting structure
    Material: Hardened steel core
  • Chrome Plating Part
    Corrosion and wear resistance surface layer
    Material: Electrodeposited chromium
  • Threaded End Optional Part
    Connection interface for load attachment
    Material: Machined steel
  • Seal Surface Part
    Precision ground area for seal contact
    Material: Polished chrome surface

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Hydraulic Cylinder Piston Rod.

Hydraulic ram rod Cylinder shaft Piston stem Actuator rod precision hydraulic cylinder piston rod chrome plated hydraulic piston rod high pressure hydraulic cylinder rod hardened alloy steel piston rod custom threaded hydraulic rod

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 5000 psi (345 bar)
flow rate: Dependent on cylinder bore and rod diameter
temperature: -40°C to 200°C
slurry concentration: Not recommended for abrasive slurries >5% solids by volume
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Water-glycol fluids ✓ Phosphate ester fluids
Unsuitable: Chlorinated solvents or highly acidic environments (pH < 4)
Sizing Data Required
  • Required force output (kN or lbf)
  • Stroke length (mm or inches)
  • Mounting configuration (clevis, flange, trunnion)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Surface scoring and pitting
Cause: Contaminant ingress (particles in hydraulic fluid) causing abrasive wear, often due to inadequate filtration or seal failure.
Corrosion and chemical attack
Cause: Exposure to moisture, corrosive fluids, or incompatible hydraulic fluids leading to material degradation and loss of surface integrity.
Maintenance Indicators
  • Visible scoring, scratches, or discoloration on the piston rod surface
  • Audible knocking or irregular vibration during cylinder operation
Engineering Tips
  • Implement strict contamination control with proper filtration (ISO 4406 cleanliness targets) and regular fluid analysis
  • Use appropriate rod wipers/scrapers and ensure proper rod surface finish (typically 0.2-0.4 μm Ra) to maintain seal integrity

Compliance & Manufacturing Standards

Reference Standards
ISO 6020-2: Hydraulic fluid power - Mounting dimensions for single rod cylinders, 16 MPa series ANSI/(NFPA) T3.6.7: Fluid power - Cylinders - Bore and rod area ratios DIN 24554: Hydraulic cylinders - Piston rods with metric threads - Dimensions, technical delivery conditions
Manufacturing Precision
  • Rod diameter tolerance: h9 or h8 per ISO 286
  • Surface roughness: Ra ≤ 0.4 μm for sealing areas
Quality Inspection
  • Hardness testing (Rockwell C scale) to verify surface hardening
  • Magnetic particle inspection for surface crack detection

Factories Producing Precision Hydraulic Cylinder Piston Rod

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Supply Chain Commonly Integrated Components

Lower Blade

The stationary cutting blade in a sheet metal guillotine shear that works in conjunction with the upper blade to shear metal sheets.

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Aluminum Shell

The outer protective casing component of a pharmaceutical vial aluminum seal

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Material Handling Crane

Overhead lifting equipment for transporting aluminum profiles between processing stations in an anodizing line

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Anodizing Tank Module

A modular tank unit designed for the electrochemical anodizing process of aluminum profiles, containing electrolyte solution and electrodes.

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Frequently Asked Questions

What are the benefits of chrome plating on hydraulic piston rods?

Chrome plating provides excellent corrosion resistance, reduces friction for smoother operation, extends service life by protecting against wear, and maintains dimensional stability under high pressure.

What straightness tolerance is typical for precision hydraulic rods?

Precision hydraulic rods typically have straightness tolerances ranging from 0.1 to 0.5 mm per meter, depending on application requirements and rod diameter, ensuring optimal seal performance and system efficiency.

How do I select the right material for my hydraulic piston rod application?

Select chrome-plated steel for general industrial use with good corrosion resistance, stainless steel for harsh or corrosive environments, and hardened alloy steel for extreme pressure applications requiring maximum durability and surface hardness.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Fabricated Metal Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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