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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

Availability:



Inquire

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

Applications of Chrome Plated Rod

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.

Chrome Plated Rod Production Process

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.

factory equipment

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

certificate

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.

Chromed Rod Quality Inspection Process

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.

FAQ

FAQs

What is the difference between a 4140 Hollow ID Not Honed Chrome Plated Rod and a honed tube?

The rod is used for piston rods with chrome-plated outer surfaces, while honed tubes are used as cylinder barrels with polished inner surfaces.
Can the length of the 4140 Hollow ID Not Honed Chrome Plated Rod be customized?

Yes, we can supply up to 15 meters or according to customer requirements.
What hardness can be achieved on the chrome-plated surface?

The hardness ranges from HRC 15–62, suitable for heavy-duty hydraulic use.
What industries commonly use this product?

Hydraulic cylinders, construction machinery, mining equipment, and agricultural machines.
Do you provide testing certificates for 4140 Hollow ID Not Honed Chrome Plated Rod?

Yes, we provide SGS, ISO, and in-house test reports to ensure product quality.

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