Product description:

hydraulic cylinders are actuators that convert hydraulic energy into linear mechanical force. They have a compact structure, high output force, and smooth operation. They are the core components for performing actions such as pushing, pulling, lifting, and pressing in various mechanical and industrial systems, and are widely used in construction machinery, metallurgy, mining, shipping, and other fields.

A Steering cylinder, also known as a hydraulic steering cylinder or steering actuator, is a critical component in hydraulic steering systems used to control the direction of movement in vehicles and machinery. It converts hydraulic pressure into linear mechanical motion, allowing smooth and precise steering control under various load and road conditions.

Steering cylinders are widely applied in agricultural tractors, construction machinery, forklifts, loaders, trucks, mining vehicles, ships, and special engineering equipment. By ensuring reliable and responsive steering performance, they enhance driving safety, maneuverability, and operational efficiency.

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Structure and Working Principle

The hydraulic steering cylinder consists of a cylinder barrel, piston, piston rod, seals, end covers, and hydraulic ports. When pressurized oil enters one side of the cylinder, it pushes the piston and extends or retracts the piston rod. This linear movement is transmitted to the steering linkage or wheel assembly, changing the vehicle’s direction.

In modern hydraulic steering systems, the cylinder often works together with a steering control valve or orbitrol steering unit, enabling smooth, stable, and precise steering. Some systems use double-acting steering cylinders, which provide equal force and speed in both directions, ensuring consistent handling even under heavy loads or uneven terrain.

Materials and Manufacturing Process

The cylinder body is manufactured from high-strength alloy steel or seamless Precision steel tubes, honed and polished internally for superior sealing performance and low friction. The piston rod is hard chrome plated or QPQ nitrided to resist wear, corrosion, and impact.

All components are precisely machined using CNC equipment and assembled with advanced robotic welding and heat treatment processes to ensure strength, durability, and dimensional accuracy. The sealing system uses high-quality materials from brands such as NOK, Hallite, and Parker, providing long-lasting, leak-free operation.

Each steering cylinder is designed and manufactured under strict ISO, DIN, and CE standards, guaranteeing global quality compliance and performance reliability.

Key Features and Advantages

Accurate Steering Control: Provides smooth, responsive, and precise hydraulic steering for improved maneuverability.

High Pressure and Load Capacity: Designed for heavy-duty applications with working pressures up to 35 MPa.

Superior Sealing Performance: Advanced sealing systems ensure long-term reliability and zero internal leakage.

Durable Construction: Built from high-strength alloy materials with corrosion-resistant surface treatments.

Compact and Efficient Design: Optimized structure for easy installation and space-saving in tight engine compartments.

Customizable Configurations: Available in various bore sizes, stroke lengths, and mounting types to match different steering systems.

Low Maintenance: Simple structure with replaceable seals and minimal wear parts reduces service downtime.

Working principle of hydraulic cylinder:

Applications:

The hydraulic cylinder is an energy conversion device that converts hydraulic energy into mechanical energy. It is the core executive component in the hydraulic system. The hydraulic cylinder uses hydraulic oil to drive the piston to move, converting hydraulic energy into linear reciprocating motion. When the hydraulic oil enters the cylinder barrel, it pushes the piston rod to extend or retract, completing the predetermined action. The direction and speed of its movement are regulated by the hydraulic control system. The hydraulic cylinder consists of a cylinder barrel, cylinder cover, piston and piston rod, sealing device, and buffering device. According to its structure, it can be classified as piston type, plunger type, multi-stage telescopic sleeve type, and gear rack type. Hydraulic cylinders are widely used in machine tools, construction machinery, vehicles, and other fields, featuring a simple structure and smooth movement.

The hydraulic steering cylinder is an essential component in a wide range of mobile and industrial equipment, including:

Agricultural tractors and harvesters – for stable, efficient field maneuvering.

Wheel loaders and forklifts – to provide responsive steering under load.

Construction machinery – such as graders, bulldozers, and excavators, for precise directional control.

Heavy-duty trucks and trailers – for safe steering assistance and load balancing.

Mining and off-road vehicles – for strong and reliable steering in rough environments.

Marine and ship steering systems – to control rudders for accurate navigation.

In all applications, steering cylinders deliver stable, smooth, and reliable performance, ensuring safe and efficient vehicle operation.

Quality Control and Testing

Each steering oil cylinder undergoes comprehensive testing to guarantee performance, safety, and durability. Quality control procedures include:

Hydraulic pressure and leakage tests

Dimensional accuracy and surface roughness inspections

Corrosion resistance and coating adhesion tests

Load simulation and endurance testing

Only cylinders that pass all tests are approved for delivery, ensuring consistent quality and long service life.

Company profile:

Since its establishment in 2014, Wuxi Hengxin Zhicheng Co., Ltd. has rapidly grown into a leading enterprise in the steel manufacturing industry. We focus on the research, production and sales of seamless steel pipes, Special-shaped steel pipes and hydraulic cylinders, and are committed to providing customers with high-quality, customizable products that fully meet diverse application needs.

Our products are exported to global markets such as the Middle East, South America, Africa, and Southeast Asia, and are highly trusted by large purchasers and customers in the steel industry. We always prioritize quality, reliability and customer service, and attach great importance to establishing long-term and stable cooperative relationships with customers. We provide each customer with tailor-made solutions.

We continuously promote technological innovation and improve service capabilities and production efficiency. Through an efficient online platform, you can browse our best-selling products at any time and communicate with the sales and support teams in real time to conveniently obtain the information you need. We sincerely invite partners from all countries to visit, exchange and provide guidance, and jointly explore more possible cooperation opportunities!

Certification:

Packaging and Transportation:

【Package standard】

We use steel bands to tightly package the products into hexagonal bundles. The structure is stable and not prone to deformation. Each bundle is equipped with two high-strength nylon straps to ensure the safety and convenience of the lifting operation.

To meet various maritime transportation needs, we offer a range of customized packaging options, including full coverage with oilcloth, moisture-proof wooden boxes, and high-strength protective frame packaging, to ensure the maximum safety of goods during transportation.

【Guarantee for transportation】

We offer 20-foot and 40-foot standard container transportation services. Each container can carry up to 25 tons of goods and we can accept trial orders with a minimum of 5 tons. This allows for flexible adaptation to your purchasing scale. All packaging complies with maritime shipping standards to ensure that the goods are delivered to the destination efficiently and safely.

Why us?

We focus on the research, development, production and sales of seamless steel pipes, special-shaped steel pipes and hydraulic cylinders. We have a complete production chain and an advanced equipment system, including piercing machines, cold drawing machines, hot rolling machines, high-precision flaw detection and testing equipment. The company has passed multiple authoritative certifications such as ISO9001, API, SGS, CCS, DNV, ABS, CE, RoHS, etc., ensuring that each product complies with international standards. We are committed to providing customers with high-quality, customizable solutions to meet diverse application needs.

Relying on our own built processing base and modern workshops, combined with multiple branches and storage centers across the country, we have achieved sufficient inventory and efficient logistics coordination, significantly shortening the delivery cycle and ensuring the rapid delivery of orders.

We have established a complete service and support system. After the order is signed, the professional after-sales team can provide timely and safe on-site guidance and technical support to ensure that customers are at ease throughout the process from procurement to use.

FAQ：

1. Do you support customized design and production?

Sure. We have a professional engineering team that can conduct customized design and production with special sizes, control systems or OEM according to your requirements.

2. How fast can you deliver?

In stock sizes, it takes 3-5 days. For customized sizes, it takes 30-35 days.

3. What payment methods do you support?

We support TT payment. Generally, 30% to 50% of the payment is made in advance, and the remaining amount is paid before shipment.

4. Can you provide material certification (MTC)?

Yes, we will provide MTC to you after production is completed to ensure that the material quality meets the standards.

5. What is the minimum order quantity?

Generally, we accept trial orders. The minimum order quantity is 1-3 tons, which can be determined according to different products.