Common size on stock, Special sizes needs new production.Can cut to Size, Cut to Shape.
EMERSONMETAL
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Overview
Our SAE4340 Alloy Steel Round Bar Q T Machining Turning Steel Shaft is designed for high-performance applications that demand strength, durability, and precision. Made from SAE4340 alloy steel, these round bars and shafts are engineered to withstand the most challenging conditions, making them ideal for use in the automotive, aerospace, and manufacturing industries. With excellent wear resistance and fatigue strength, this steel offers superior performance under high stress and extreme environments.
The shaft is designed for precise machining and turning, ensuring a smooth finish and dimensional accuracy for your specific project requirements. Whether used for shafts, gears, or structural components, our SAE4340 alloy steel round bars provide exceptional reliability and long-lasting durability.
High-Quality SAE4340 Alloy Steel
SAE4340 is a high-strength, low-alloy steel containing chromium, nickel, and molybdenum, offering excellent toughness and wear resistance.
Known for its good fatigue strength, impact resistance, and ability to withstand extreme temperatures, making it ideal for demanding industrial applications.
Precision Machining and Turning
These round bars and shafts are precision-machined and turned to tight tolerances, ensuring excellent surface finish and dimensional accuracy.
They are optimized for further machining processes, including threading, drilling, and polishing, to meet the exact requirements of your project.
Quenched and Tempered for Strength
The steel undergoes a quenching and tempering (Q-T) process, enhancing its strength and hardness while maintaining good toughness.
This process ensures the material can handle heavy loads and high-impact stress, providing high reliability in critical applications.
Corrosion Resistance
The alloy's resistance to corrosion and oxidation makes it suitable for use in harsh environments, including outdoor and marine applications, as well as automotive and aerospace components exposed to fluids and chemicals.
Customizable Sizes and Lengths
Available in various diameters, lengths, and custom specifications to meet the specific needs of your application.
The versatility of SAE4340 alloy steel makes it ideal for creating shafts, gears, axles, and other critical components.
| Feature | Specification |
|---|---|
| Material | SAE4340 Alloy Steel |
| Heat Treatment | Quenched and Tempered (Q-T) |
| Diameter Range | Customizable (e.g., 10mm to 500mm) |
| Length | Customizable (up to 6 meters) |
| Hardness | 28-34 HRC (after Q-T process) |
| Tensile Strength | 1050 MPa (minimum) |
| Yield Strength | 930 MPa (minimum) |
| Applications | Automotive, Aerospace, Industrial Machinery, Tooling, etc. |
| Surface Finish | Machined and turned to precision |
Aerospace Components
SAE4340 alloy steel round bars are used in the aerospace industry for producing high-strength, lightweight components such as landing gear parts, shafts, and structural supports. Its ability to withstand high stress and extreme temperatures makes it ideal for this critical application.
Automotive Parts
In automotive manufacturing, SAE4340 steel is used for producing heavy-duty components such as crankshafts, axles, and gears. Its excellent wear resistance and fatigue strength ensure reliable performance in engines and drivetrain components.
Industrial Machinery
This steel is commonly used in the production of shafts, gears, and other structural components that must endure high levels of stress and wear. Its toughness and impact resistance make it suitable for heavy-duty machinery applications.
Tooling and Dies
SAE4340 steel is widely used in tooling and die-making due to its toughness and ability to retain strength even under high stress. It’s used for manufacturing high-performance dies, molds, and tooling equipment.
Energy and Power Generation
The steel is utilized in energy applications, including turbine shafts, pressure vessels, and equipment that require high strength and durability to operate under extreme conditions such as high pressure and temperature.
Superior Quality
We supply SAE4340 alloy steel that is made from premium materials and processed through advanced quenching and tempering techniques to ensure high-quality products that meet rigorous standards.
Precision Machining
Our SAE4340 alloy steel round bars and shafts are precisely machined and turned to meet your exact specifications, providing high dimensional accuracy and surface finish.
Customization Options
We offer a wide range of customization options, including various diameters, lengths, and heat treatment specifications, allowing you to tailor the product to your specific needs.
Durability and Longevity
The strength, wear resistance, and fatigue resistance of SAE4340 alloy steel make it an excellent long-term investment for applications requiring high-performance materials.
Competitive Pricing
We provide high-quality alloy steel at competitive prices, helping you maintain cost efficiency while receiving premium-grade material for your projects.
What is SAE4340 alloy steel used for?
SAE4340 alloy steel is used in high-strength applications such as aerospace, automotive components, industrial machinery, and tooling. Its strength and wear resistance make it suitable for shafts, gears, and structural components.
Can I customize the size of the round bar?
Yes, we offer fully customizable sizes for the round bars and shafts, including various diameters and lengths to meet the specific needs of your project.
What is the benefit of the quenching and tempering process?
The quenching and tempering process increases the hardness, strength, and wear resistance of SAE4340 alloy steel, making it suitable for high-stress applications where durability and toughness are crucial.
How does SAE4340 perform in high-temperature environments?
SAE4340 steel maintains its strength and toughness even in high-temperature environments, making it suitable for applications in industries like aerospace and automotive where components are exposed to extreme heat.
What are the common industries that use SAE4340 alloy steel?
SAE4340 alloy steel is commonly used in the aerospace, automotive, energy, tooling, and manufacturing industries due to its high strength, wear resistance, and durability.
Do you offer bulk orders for SAE4340 alloy steel?
Yes, we accept bulk orders and can supply SAE4340 alloy steel in large quantities to meet your production needs.
What is the lead time for custom orders?
Lead times for custom orders vary depending on the size, quantity, and specific requirements. Typically, we can provide an estimated delivery time once your order details are confirmed.
