42CrMo Carbon Steel Forgings OEM Alloy Steel Forgings 0.01mm Tolerance

35#,45#, 42CrMo Customized Carbon Steel,alloy steel Forgings for Hydraulic Cylinder

High-Precision 35#, 45#, 42CrMo Customized Forgings for Hydraulic Cylinder Applications

Looking for durable and high-performance forged components for hydraulic cylinders? We specialize in manufacturing customized carbon steel and alloy steel forgings, using materials such as 35#, 45#, and 42CrMo, tailored to meet the demanding requirements of hydraulic systems across industries like construction machinery, heavy equipment, mining, and agriculture.

Our forging process ensures excellent mechanical strength, fatigue resistance, and dimensional accuracy. Whether you're sourcing piston rods, cylinder barrels, gland flanges, or mounting ends, we offer open die (free forging) and closed die forging solutions with full machining and heat treatment capabilities.

Key Features:

• Materials: 35# / 45# carbon steel, 42CrMo alloy steel

• Applications: Hydraulic cylinders for excavators, cranes, presses, lifting equipment, and more

• Forging Capabilities: Custom shapes, weights from 100kg to 7000kg

• Heat Treatment: Normalizing, quenching + tempering available

• Surface: Rough machined or fully finished, NDT and mechanical testing provided

Our hydraulic cylinder forgings are trusted by OEMs and component suppliers worldwide, delivering consistent quality, fast delivery, and strict compliance with ISO 9001 standards. With over 25 years of forging experience, we help you achieve performance and longevity in your hydraulic systems.

We provide forged input and output shafts crafted from high-quality carbon steel grades such as 35# and 45#, along with other customized specifications to meet diverse industrial needs. These critical components are precision-engineered to reliably transmit power, serving as the essential links between power sources and mechanical loads in various machinery. Our forging process ensures that each shaft possesses superior strength, durability, and a robust internal structure capable of enduring rigorous operational demands.

Product Features

• Optimized Material Selection: Utilizing common industrial carbon steel grades like 35# and 45#, known for their excellent balance of strength, hardness, and machinability, with options for customized alloys to meet specific performance requirements.
• Enhanced Mechanical Properties: The forging process refines the grain structure, eliminating internal defects and improving the shaft's tensile strength, yield strength, impact resistance, and significantly boosting its fatigue life under cyclic loading.
• Precision and Balance: Manufactured to tight dimensional tolerances, ensuring excellent concentricity and balance, which is crucial for minimizing vibration and noise, and maximizing efficiency in high-speed rotating applications.
• Robust Power Transmission: Designed to effectively transfer rotational power and torque, these shafts are built to withstand continuous heavy loads and operational stresses without deformation or premature failure.
• Tailored to Application: Fully customizable in terms of length, diameter, features (e.g., splines, keyways, flanges), and heat treatment, allowing for seamless integration into diverse mechanical systems.

Application Scenarios

These carbon steel forged input and output shafts are fundamental components across numerous industries, playing a vital role in power transmission systems:

• Automotive & Commercial Vehicles:
  • Input Shafts: Connect the engine's power (via the clutch) to the transmission, driving the internal gears.
  • Output Shafts: Transmit power from the transmission to the differential and ultimately to the wheels, driving the vehicle. Found in manual, automatic, and heavy-duty vehicle transmissions.
• Industrial Gearboxes & Reducers:
  • Input Shafts: Receive power from motors or engines, driving the first stage of gears within the gearbox.
  • Output Shafts: Deliver the adjusted speed and torque from the gearbox to the driven machinery (e.g., conveyors, mixers, pumps, fans).
• Heavy Machinery & Construction Equipment:
  • Essential in the drivetrains of excavators, bulldozers, loaders, and cranes for transmitting power to tracks, wheels, and hydraulic systems.
• Wind Energy Systems:
  • Input and output shafts within the main gearbox of wind turbines, managing the enormous power transfer from the rotor to the generator.
• Marine & Offshore Industry:
  • Critical components in marine gearboxes for propulsion systems, winches, and auxiliary machinery on ships and offshore platforms.
• Mining & Metallurgy:
  • Used in gearboxes for crushers, conveyors, and other heavy equipment where reliable power input and output are essential for material processing.

Frequently Asked Questions (FAQs)

1. What is your forging weight capacity?
We specialize in producing custom-forged components ranging from 100 kg up to 7000 kg, depending on shape and material.

2. Do you offer heat treatment and machining?
Yes. We provide complete in-house services, including quenching & tempering, carburizing, and both rough and finish CNC machining, tailored to your technical requirements.

3. Which industries do you serve?
Our forged parts are widely used in wind power, heavy-duty industrial equipment, port lifting systems, gear transmission, mining, and oil & gas sectors.

4. What is your standard lead time?

• For stocked raw materials: approx. 30 days

• For new production orders: approx. 40–45 days, depending on size and complexity

5. Where is your factory located?
Our forging facility is based in Changzhou City, Jiangsu Province, strategically located near Shanghai Port for convenient domestic and international logistics.

Request a Quote

Looking for a tailored forging solution?
Please share your technical drawings, material specifications, and performance requirements with us.
Our engineering team will evaluate your request and provide a detailed quotation, along with technical suggestions to support your project’s success.