Piston Rod Cylinder

Your Professional Piston Rod Cylinder Supplier

Our goal is to become your reliable partner in the piston rod cylinder in China. Founded in 2005, Jiangsu YingNaisi is a specialized manufacturer focusing on precision cold-drawn steel tubes and hydraulic cylinders. We are committed to applying advanced manufacturing technologies and strict quality control standards to every product. Our products are quality-assured, making us a dependable choice for long-term cooperation.

Ck45 Hard Chrome Plated Piston Rod

The CK45 Hard Chrome Plated Piston Rod is a high-performance component designed for hydraulic cylinder applications, offering durability, corrosion resistance, and reliable operation under demanding

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Hollow Piston Rod

Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo. Diameter: Φ 6-500 mm. Length: max 16m. Chrome layer: 20 micron (min).

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Induction Hardened Chrome Piston Rod

The Induction Hardened Chrome Piston Rod is a high-performance component designed for heavy-duty hydraulic and pneumatic applications where exceptional wear resistance, strength, and durability are

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Hydraulic Cylinder Piston and Rods

Hydraulic cylinder pistons and rods are fundamental components that work in tandem to convert fluid power into linear mechanical force and motion. The piston, sealed within the cylinder barrel, acts

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Hard Chrome Hydraulic Piston Rod

A hard chrome hydraulic piston rod is a critical and highly engineered component found in virtually every hydraulic cylinder. It serves as the linear motion element, transmitting the force generated

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Hard Chrome Plated Shaft

A hard chrome plated shaft is a precision-engineered cylindrical component renowned for its exceptional durability and performance in demanding mechanical applications. At its core, it is typically

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Hydraulic Cylinder Piston Rod

A hydraulic cylinder piston rod, often referred to as the rod or stem, is a critical precision component that acts as the muscle in a hydraulic cylinder. It is the part that visibly extends and

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Why Choose Us

Advanced Production Equipment:

The company is equipped with 18 CNC machining centers, 5 automatic welding production lines, 2 cylinder component cleaning production lines, 2 assembly production lines, 4 performance testing benches, and 2 painting production lines, with an annual output of 50,000 hydraulic cylinders.

Our Services:

We provide hydraulic cylinder installation and commissioning support: remote or on-site engineering guidance for system integration, free replacement or repair for non-human-caused damage, and regular follow-up on equipment performance and preventative maintenance recommendations.

Our Production Capacity:

Annual sales of precision cold-drawn tubing exceed 8,000 tons, and annual sales of hydraulic cylinders exceed 20,000 units.

Quality Control:

Our products are manufactured strictly according to international standards, using high-quality materials to ensure superior strength and durability. Each tube undergoes a special heat treatment process to further enhance its mechanical properties and wear resistance.

Advantages of Piston Rod Cylinder

Superior Strength:

Piston rods are typically forged from high-tensile steel alloys, allowing them to withstand massive push and pull forces without bending or breaking.

Precise Force Transfer:

Because the rod is rigid and securely attached to the piston, it provides consistent energy transfer from pressurized fluids or air to the load, making it ideal for heavy-duty applications like construction equipment.

Long Service Life:

The high-quality materials and protective coatings ensure the rod remains straight and polished over a long working life, minimizing the need for frequent replacements.

High Stability (Double Rod):

Double-rod designs offer better resistance to bending and lateral (side-loading) forces because the rod is supported on both sides.

Simple Control:

Pneumatic piston rod systems are easy to control for speed and position, which improves the overall efficiency of industrial automation.

Easy Inspection:

The external nature of the rod makes it easy to visually inspect for damage or check the seals, enabling quick maintenance check-ups.

Specification of Piston Rod Cylinder

Product Name	Piston rod cylinder
Diameters	6-300mm
Length	100mm-1200mm
Steel grade	DIN CK45 JIS 45C ASTM 1045 SAE 1045 AISI 1045
Tolerance	ISO f7
Roughness	Ra 0.2μm(max)
Straightness	0.2/1000mm
Mechanical Properties(ck45)	Yield strength≥20Mpa Tensile strengh≥80 M p a Elongation≥5%
Supply condition	1.Hard chrome plated
	2.Induction hardened
	3.Quenched & Tempered
	4.Induction hardened with Q&T

Features of Piston Rod Cylinder

Key mechanical properties include high tensile strength (≥580 MPa for CK45, and up to 1000 MPa for alloys like 40Cr), yield strength ≥350 MPa, and elongation ≥15%, ensuring reliability under high loads and dynamic movements. The combination of induction hardening and chrome plating offers an optimal balance between core toughness and surface hardness, reducing the risk of bending, cracking, or premature failure.

Available in diameters from 6 mm to 500 mm and lengths up to 16 meters, these piston rods are supplied in various conditions, including standalone induction hardening or in combination with quenching and tempering.

Application of Piston Rod Cylinder

Construction:

Machines like forklifts, excavators, and bulldozers use cylinders to lift and move things.

Waste management:

Compactors and other machines use cylinders to handle waste.

Agriculture:

Farm machines use cylinders for lifting and moving jobs.

Mining:

Machines use cylinders for digging and moving materials.

Infrastructure repairs:

Road and bridge repair machines use cylinders for lifting and moving.

Components of Piston Rod Cylinder

Component	Function
Piston rod	Connects the hydraulic actuator to the machine part, transmitting force.
Seals	Stop fluid from leaking and protect inside parts.
Rod End	Joins the piston rod to the machine, letting it move and send force.
Seal Gland	Stops oil leaks and makes it easy to change seals.
Cylinder Head	Holds seals and guides the piston rod for good sealing and alignment.
Cylinder Cap	Works with the head to keep pressure and let fluid move in or out.
Other Parts	Help the main parts work better and improve performance.

Other Service of Piston Rod Cylinder

Package	Bundle packing, waterproof paper wrapping
Shipping	Sea/Express
Payment	We accept T/T and L/C. For samples or small trial orders

FAQ

Q: What is the function of a piston rod?

A: It acts as a bridge, transferring hydraulic or pneumatic force from inside the cylinder to an external mechanism. It is usually plated (e.g., hard chrome) to provide wear and corrosion resistance.

Q: What is the difference between a cylinder rod and a piston?

A: The piston is the internal disc that receives pressure, while the piston rod is the shaft attached to the piston that extends outside the cylinder.

Q: How are piston rods sealed?

A: The cylinder head gland (stuffing box) retains seals to prevent leakage.

Q: How is a cylinder measured?

A: Measure the pin-to-pin length when fully extended and fully retracted, the diameter of the rod, and the bore.

Q: What is the difference between a rod and a ram?

A: A ram is a type of single-acting cylinder where the rod acts as the plunger.

We are one of the most professional piston rod cylinder manufacturers and suppliers in China, also support customized service. We warmly welcome you to buy bulk piston rod cylinder in stock here from our factory. Quality products and low price are available.