Open Die Forging

Open die forging, also known as free forging, is a metal forming process in which a hammer or press is used to shape metal into desired shapes without the use of a die. It is commonly used to create large and complex parts from a variety of metals including steel, aluminum, and titanium.

Introduction to Open die forging

Open-Die Forging, also known as free forging, is a metal shaping process that involves the deformation of a heated metal workpiece between two flat or contoured dies.

Unlike closed-die forging, the workpiece is not completely confined within the dies, allowing for greater flexibility in shape and size of the forged parts.

The key benefits of open-die forging include: – The ability to produce large and complex shaped parts – Improved mechanical properties due to the grain refinement and directional flow of the material – The elimination of internal defects such as porosity and inclusions

What is open-die forging?

Open-die forging is a forging process in which a hammer and an anvil are used to shape heated metal into a specific shape without using a die. Using a combination of hammering, compressing, and pressing, open-die forging allows for a high degree of precision and control. The process results in parts with superior strength and ductility, making it an ideal choice for applications requiring high-performance components. Open-die forging is an established and reliable manufacturing technique, offering a cost-effective solution for a range of complex engineering requirements.

Key Benefits of Open-Die Forging

Open-die forging offers numerous advantages to manufacturers and suppliers, including:

  • Increased Strength: Open-die forging provides superior material strength compared to other manufacturing techniques. It is a much more effective way to increase the strength of materials, particularly in areas of high stress and strain.
  • Improved Durability: The forging process creates a more uniform grain structure with fewer voids and fewer inclusions, resulting in a higher degree of durability and a longer service life.
  • Cost Savings: Open-die forging is a more efficient process compared to other forging techniques. This efficiency leads to cost savings through reduced labor and energy costs.
  • Design Flexibility: Open-die forging allows for greater design flexibility and enables the production of complex shapes. This allows for a greater range of design possibilities and a greater degree of customization.
  • Quality Assurance: Open-die forging produces parts with uniform quality. The process is also highly repeatable, enabling manufacturers to produce identical parts with consistent quality.
  • Enhanced Performance: The uniform grain structure created by open-die forging can significantly improve the performance of parts under load. This results in improved performance in areas such as strength, corrosion resistance, and fatigue resistance.

Forging parts for different industries using Open-die forging

  • Aerospace: Open-die forging can be used to manufacture a wide range of aerospace components, such as blades, discs, hubs, spindles, forgings for airframes, landing gear components, and other components that require high strength and durability. Open-die forging can also be used to produce complex shapes with intricate features, making it ideal for producing a wide variety of aerospace components. Additionally, open-die forging is also used to produce components with unique material properties, such as titanium and other superalloys.
  • Automotive: Open-die forging can be used to produce automotive parts such as drive-shafts, axles, steering components, suspension components, transmission components, brake components, engine components, and many other parts.
  • Industrial Machinery: Open-die forging can be used to manufacture a wide variety of industrial machinery parts, including gears, flanges, bearing races, shafts, spindles, connecting rods, and splines. It can also be used to shape complex parts such as turbine blades, hand tools, and scissors. Open-die forging can also be used to create a variety of custom parts, including those for the automotive and aerospace industries.
  • Energy Sector:

    Open-die forging can be used to manufacture a variety of energy related parts and components including:
    1. High pressure turbine blades
    2. Compressor blades
    3. Gas turbine hubs
    4. High pressure valves
    5. Pumps and pump shafts
    6. Reciprocating compressor cylinders
    7. Heat exchanger components
    8. Wind turbine shafts
    9. Nuclear reactor components
    10. Oil and gas pipeline components

Materials we use for open-die forging

Our forging process

Die & design

Step 01

Material selection & hearing

Step 02

Forging process

Step 03


Step 04

QA & Inspection

Step 05

Have drawing and specifications ? Request a Custom Forging Job