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Custom Forged Parts

Custom forged parts are essential in various industries, including automotive, aerospace, construction, and manufacturing. These parts are created through the forging process, where metal is heated and shaped using mechanical force. Forged parts are known for their strength, durability, and resistance to wear, making them ideal for high-performance applications. This guide will cover the key aspects of custom forged parts, including their mechanical properties, dimensions, price considerations, and material grades.


What Are Custom Forged Parts?

Custom forged parts refer to components that are manufactured to meet specific requirements for a given application. Unlike standard off-the-shelf parts, these components are tailored to the customer’s exact specifications. The forging process ensures that these parts have superior mechanical properties, as the metal’s internal grain structure is aligned in the direction of the applied force, enhancing strength and resistance to stress.


Types of Forging Processes

There are several types of forging processes that are used to create custom parts, including:

  • Open Die Forging: Used for large, heavy parts. The metal is deformed between two flat dies.
  • Closed Die Forging: Also known as impression-die forging, where metal is pressed into a mold to produce complex shapes.
  • Ring Rolling: A specialized method used for making rings or circular parts.
  • Precision Forging: For smaller and intricate components, typically requiring minimal machining.

Mechanical Properties of Forged Parts

Custom forged parts offer several mechanical benefits due to the forging process. Some of the key mechanical properties include:

Property Description
Strength Forged parts exhibit high tensile strength, making them resistant to deformation under stress.
Ductility The forging process allows for excellent ductility, providing the parts with the ability to stretch without breaking.
Hardness Forged parts can be treated to achieve superior hardness for abrasion resistance.
Toughness Forged components are less likely to fracture under impact or stress.
Fatigue Resistance Forged parts typically have better fatigue resistance compared to cast parts.
Wear Resistance Custom forged parts tend to have superior wear and corrosion resistance, making them ideal for harsh environments.

Dimensions and Tolerances

Custom forged parts are produced with high precision. The dimensions of the part are typically influenced by the forging process and the type of metal used. Forging offers excellent dimensional accuracy, with tight tolerances available depending on the application.

Forged Part Typical Dimensions Tolerances
Flanges Diameter: 50 mm to 2000 mm ±0.5 mm
Crankshafts Length: 200 mm to 3000 mm ±0.05 mm
Axles Diameter: 40 mm to 800 mm ±0.1 mm
Gears Diameter: 30 mm to 1000 mm ±0.1 mm
Bolts & Fasteners Length: 5 mm to 150 mm ±0.02 mm

Material Grades Used in Forged Parts

The selection of the right material grade is critical when forging custom parts. Different materials offer varying properties such as strength, corrosion resistance, and heat resistance. Below is a list of common materials used in custom forging, along with their properties:

Material Common Grades Key Properties
Carbon Steel 1020, 1045, 1060, 4140 Excellent strength, hardness, and wear resistance.
Alloy Steel 4340, 8620, 9310 High strength, toughness, and fatigue resistance.
Stainless Steel 304, 316, 17-4 PH Corrosion resistance, strength, and versatility.
Titanium Grade 2, Grade 5 (Ti-6Al-4V) Lightweight, high strength, corrosion resistant.
Aluminum 2024, 7075 Light weight, corrosion resistant, and high strength.
Tool Steel D2, A2, M2 Wear resistance, hardness, and thermal stability.

Price Considerations for Custom Forged Parts

The price of custom forged parts can vary based on a variety of factors, including material, complexity, volume, and finishing requirements. Typically, the cost is determined by the following:

  1. Material Selection: High-performance materials, such as titanium or high-alloy steels, tend to increase the price.
  2. Size and Complexity: Larger or more complex parts generally require more time and effort to forge, raising the cost.
  3. Quantity: The price per unit often decreases with larger production runs due to economies of scale.
  4. Tolerances: Parts that require very tight tolerances or complex geometries may incur higher machining costs after forging.

Estimated Price Range (per unit):

Part Type Material Price Range (USD)
Flanges Carbon Steel $50 – $250
Crankshafts Alloy Steel $300 – $1500
Axles Stainless Steel $100 – $500
Gears Alloy Steel $150 – $1000
Bolts & Fasteners Carbon Steel $1 – $10
Titanium Parts Titanium Grade 5 $200 – $2000

Conclusion

Custom forged parts offer superior strength, durability, and performance, making them an ideal choice for critical applications across industries. Understanding the mechanical properties, dimensions, material grades, and pricing considerations can help you make an informed decision when selecting the right parts for your needs.

When opting for custom forging, it is essential to work with a reliable and experienced supplier who can meet your specific requirements for quality, precision, and delivery time.

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