4340 Alloy Steel Bar
Reduction in Area (ψ/%)： 25
Impact (J)： 23
Hardness (Anealed Condition)： ≤241HB
4340 Alloy Steel Bar – Your Ultimate Steel Solution
As a manufacturer based in China, we produce a wide range of high-quality steel products that are used in a variety of industries worldwide. One of our flagship products is the 4340 Alloy Steel Bar, which is designed to provide superior strength and durability for various applications. In this article, we will introduce you to the features, benefits, and additional information about our 4340 Alloy Steel Bar, and explain why it is the perfect solution for your steel needs.
Description
The 4340 Alloy Steel Bar is a steel-grade bar made from a combination of alloying elements and contains nickel, chromium, and molybdenum. Its composition also includes a small amount of carbon, which adds to its strength and durability. This steel bar is known for its high tensile strength, toughness, and resistance to wear and tear. Additionally, it has excellent fatigue resistance, making it an excellent choice for applications that require high strength and reliability.
Features
- High strength: The 4340 Alloy Steel Bar is known for its exceptional tensile strength, which makes it suitable for high-stress applications.
- Durability: The addition of nickel, chromium, and molybdenum to the steel composition adds to the strength and durability of this bar.
- Wear resistance: This bar is resistant to wear and tear, which makes it ideal for applications that require high-stress and high-wear conditions.
- Fatigue resistance: The 4340 Alloy Steel Bar also has excellent fatigue resistance, making it suitable for applications that require fatigue endurance.
- Easy to machine: Although this steel is hard, it is suitable for machining, making it easy to shape and cut.
Benefits
- Versatility: The 4340 Alloy Steel Bar can be used in a variety of applications, from aerospace to heavy machinery to automotive.
- Cost-effective: Although this bar is of high quality, it is relatively affordable compared to other high-performance alloys, making it a cost-effective solution for your steel needs.
- Longevity: This steel bar's excellent tensile strength and resistance to wear and tear ensure that it will last longer under high-stress and high-wear conditions.
- Reliability: The fatigue resistance of the 4340 Alloy Steel Bar means that it can withstand repeated or cyclic loading without cracking or breaking, enhancing its reliability.
Applications
The 4340 Alloy Steel Bar is widely used in the following industries and applications:
- Aerospace and aviation: The combination of high strength and low weight makes this steel bar perfect for aircraft parts, such as landing gear, engine components, and gears.
- Industrial machinery: The toughness and durability of this steel bar make it suitable for use in heavy machinery, including drilling equipment, mining machinery, and gears and shafts.
- Automotive: This steel bar is used in the manufacture of various automotive components such as crankshafts, piston rods, and gears.
- Toolmaking: The 4340 Alloy Steel Bar is used to make tools and tooling components, such as punches, dies, and molds.
Conclusion
In conclusion, the 4340 Alloy Steel Bar is a versatile, cost-effective, and reliable product that is perfect for a range of applications. It is known for its high strength, durability, wear resistance, and fatigue resistance, making it ideal for use in heavy machinery, aerospace, automotive, and toolmaking. If you are looking for a high-performance steel bar that will last longer under high-stress and high-wear conditions, the 4340 Alloy Steel Bar is the perfect solution. Contact us today to learn more about our product and how it can benefit your business.
Specification
AISI 4340 ultra high strength tensile steel round bar for aerospace application
Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients’ requires.
Product Basic Information:
Size Range | |||
Round Bar | Diameter(mm) | Length(mm) | -- |
100~1000 | 500~12000 | -- | |
Chemical Composition and Mechanical Properties(In Quenched & Tempered State)
Material | 4340 Alloy Steel | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.38-0.46 | Tensile strength(MPA) | 1860 |
Si | 0.17-0.37 | Yield strength (MPA) | - |
Mn | 0.60-0.90 | Elongation(δ5/%) | - |
Cr | 0.70-0.95 | Reduction in Area (ψ/%) | 25 |
Mo | 0.30-0.65 | Impact (J) | 23 |
P | ≤0.010 | Hardness (Anealed Condition) | ≤241HB |
S | ≤0.010 | ||
Cu | ≤0.30 | ||
Ni | 1.65-2.00 | ||
V | Min 0.05 |
Description
4340 Steel is a heat treatable, low alloy steel containing nickel, chromium and molybdenum. It is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength. A very popular, versatile steel. It can be heat-treated to produce a wide range of tensile strength in moderate sections.
Application
High voltage bolts and nuts, crankshafts, cam shafts, transmission axles, torsion bars, drive shafts, pump shafts, worm shafts, conveyor rollers, stems, pins, tie rods, clutch discs. Large-mass dies for hot stamping. 4340 Steel is widely used in the aerospace industry for structural parts of flaps assembly, fuselage and landing gear, propeller plane axles.
Product Application
Packing & Delivery
Standard export seaworthy packing.
Certifications
Why choose us?
- Our Alloy Steel Bars are widely used in various industries and are highly sought-after.
- The company insists on carrying forward the spirit of "being brave and pursuing excellence", establishing the concept of "integrity management, 4340 Alloy Steel Bar leadership, pioneering and innovative, and customer satisfaction", optimizing services and practicing core values.
- We are committed to providing our customers with Alloy Steel Bars that meet the highest standards of quality and reliability.
- The company uses the most cutting-edge technology and pioneering technology to fully implement the quality management system, so that the products have a higher cost performance.
- We take pride in our timely and efficient delivery of Alloy Steel Bars to our customers worldwide.
- We focus on the balance of short-term and long-term interests, economic and social benefits.
- We offer a broad range of Alloy Steel Bars with different dimensions and grades to meet our customers' varying needs.
- We have established a well-known brand by relying on a sound governance structure and scientific research and development methods.
- Our manufacturing process is environmentally sustainable, ensuring that our Alloy Steel Bars meet eco-friendly standards.
- Our firm warmly welcome friends from everywhere in the globe to visit, examine and negotiate business enterprise.
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