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ID Not Honed

4140 Hollow ID Not Honed Chrome Plated Rod

Discover our premium 4140 Hollow ID Not Honed Chrome Plated Rod, crafted from high-strength SAE 4140 alloy steel for superior durability and corrosion resistance. Ideal for distributors, inventory holders, and engineering firms, this rod excels in hydraulic cylinders, heavy machinery, and automotive applications. With a precision-ground surface, 20–100 micron chrome plating, and customizable sizes (6mm–800mm), it ensures reliable performance in demanding environments.

  • Brand:EAST AI

  • Material:4140

  • Length:Max. 15m

  • ID Tolerance:f7/f8/g6,etc

  • Straightness:≤0.2/1000 mm

  • Application:Hydraulic cylinders for mobile equipment, industrial machinery, and heavy-duty systems

  • Packing:Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case,can be customised according to customer requirements

  • Roughness:≤0.2u

Product Description

Advantages of 4140 Hollow ID Not Honed Chrome Plated Rod

High strength and durability thanks to 4140 alloy steel.

Corrosion resistance from chrome-plated surface.

Lightweight structure due to hollow ID design.

Cost-effective alternative to solid piston rods.

Customizable sizes for different applications.


4140 Hollow ID Not Honed Chrome Plated Rod Product Parameters

Parameter

Specification

Material

4140 Alloy Steel

Hardness

HRC 15–62

Length

Up to 15 meters or customized

Surface Roughness

Ra ≤ 0.2μ

Straightness

≤ 0.2/1000mm

Surface Finish

Chrome Plated, Mirror-like Surface


Applications of 4140 Hollow ID Not Honed Chrome Plated Rod

The 4140 Hollow ID Not Honed Chrome Plated Rod is widely used in:


Hydraulic cylinder piston rods

Construction and mining equipment

Agricultural machinery

Lifting and material handling systems

Marine and offshore engineering

General industrial machinery



4140 Hollow ID Not Honed Chrome Plated Rod Production Process

Our factory follows strict procedures to ensure consistent quality:


Raw Material Selection 

4140 alloy steel with strict inspection.


Cold Drawing & Heat Treatment 

to enhance mechanical properties.


Turning & Grinding

achieving precise dimensions.


Chrome Plating

providing corrosion resistance.


Quality Testing 

hardness, straightness, and surface roughness checks.


4140 Hollow ID Not Honed Chrome Plated Rod Factory Strength

Over 18 years of experience in hydraulic components.

Advanced production machines: skiving & roller burnishing, grinding, plating.

Strict quality control with international standards.

Large inventory capacity to meet urgent demands.

Global supply network for distributors, stockists, and engineering companies.



Certificates for 4140 Hollow ID Not Honed Chrome Plated Rod

ISO 9001 Quality Management

SGS Inspection Approval

GL (Germanischer Lloyd) Certification

In-house salt spray and hardness test reports



4140 Hollow ID Not Honed Chrome Plated Rod – Product Details

Each rod features:


Smooth high-polish chrome surface for minimal friction

Hollow internal design for weight reduction

Precision tolerance ensuring compatibility with hydraulic cylinders

Corrosion and wear resistance for long-term reliability





4140 Hollow ID Not Honed Chrome Plated Rod – Quality Inspection

The 4140 Hollow ID Not Honed Chrome Plated Rod undergoes rigorous quality inspection to ensure each product meets international standards and delivers reliable performance in hydraulic applications. Our quality control process guarantees consistency in hardness, diameter, straightness, and surface finish, providing confidence for distributors, stockists, and engineering companies.

Quality Inspection Process:


Raw Material Testing 


Chemical composition and mechanical properties of 4140 steel are verified before production.


Diameter & Tolerance Check 


Precision measurement tools ensure H8~H10 tolerance compliance.


Surface Roughness Inspection


Ra ≤ 0.2 µm is confirmed using advanced profilometers.


Straightness Control


Rod straightness is measured, ensuring ≤0.2 mm per 1000 mm standard.


Hard Chrome Plating Verification


Thickness, adhesion, and uniformity of chrome layer are tested.


Final Dimensional Check


Length, hollow ID, and overall geometry are inspected for custom orders.


Contact & Inquiry

For distributors, stockists, and engineering contractors seeking 4140 Hollow ID Not Honed Chrome Plated Rod, please contact us to discuss availability, specifications, and pricing. Our team is ready to provide detailed technical support, fast delivery, and customized solutions to meet your hydraulic system requirements.

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