D6AC Alloy Steel Round Bar
Length: 500mm-6000mm
Surface Require: Black;grinding;bright;polish
Heat Treatment: Quenched;Tempered;annealed
Introduction
As a leading manufacturer based in China, we pride ourselves in producing top-quality alloy steel products for clients around the world. One of our flagship products is the D6AC Alloy Steel Round Bar, which is recognized for its superior strength, durability, and versatility. This bar is widely used in a variety of industries, including aerospace, defense, and industrial manufacturing. In this article, we will take a closer look at the various aspects of this product and explain why it is the ideal choice for businesses looking for high-performance steel solutions.
Product Features
The D6AC Alloy Steel Round Bar is made of a high-strength alloy that is designed to withstand extreme conditions. It is composed of iron, carbon, manganese, silicon, chromium, molybdenum, and vanadium. We use a specialized manufacturing process that involves hot-rolling and annealing to create a product that is free of any internal or external defects, such as cracks, voids, or blemishes.
The bar has a diameter of between 10mm and 600mm, with a length ranging from 1m to 6m. Different sizes can be customized to meet individual client needs. The bar has a smooth surface finish and a uniform cross-section to ensure it can be easily machined or processed.
Product Benefits
The D6AC Alloy Steel Round Bar has a number of advantages over other steel products in the market. Firstly, it has excellent fatigue resistance, meaning it can withstand repeated stress without breaking down. This attribute makes it ideal for use in high-stress applications, such as aircraft landing gear, missiles, and rocket engines.
Secondly, it has superior toughness compared to most types of alloy steel. It can handle high impact loads without cracking or fracturing, which is essential in applications where sudden shocks or impacts are common.
Finally, it has excellent corrosion resistance properties, meaning it can withstand exposure to harsh environments without breaking down. This makes it ideal for use in marine applications, oil and gas drilling, and other situations where there is a risk of corrosion.
Applications
The D6AC Alloy Steel Round Bar has a host of applications in various industries. Some of the most common uses include:
• Aerospace - This bar is often used in aircraft landing gear, engine components, and missile guidance systems.
• Defense - The bar is used to manufacture various defense components, such as tanks, artillery, and armored cars.
• Industrial manufacturing - The bar is used in the manufacture of industrial machinery, such as hydraulic presses, turbines, and generators.
• Oil and gas - The bar is used in offshore drilling and exploration, as well as the construction of pipelines and storage tanks.
Conclusion
The D6AC Alloy Steel Round Bar is a top-quality product that is highly sought after by businesses looking for high-performance steel solutions. Its excellent fatigue, toughness, and corrosion resistance properties make it ideal for a wide range of applications in numerous industries. If you're looking for a durable, versatile, and high-quality steel product, the D6AC Alloy Steel Round Bar is the perfect choice for you. Contact us today to find out more about how we can help you meet your specific steel product needs.
Chemical Composition and Mechanical Properties(In Quenched & Tempered State)
Material | 4Cr5MoSiV1 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.32-0.45 | Tensile strength(MPA) | ---- |
Si | 0.80-1.20 | Yield strength (MPA) | -- |
Mn | 0.20-0.50 | Elongation(δ5/%) | -- |
Cr | 4.75-5.50 | Reduction in Area (ψ/%) | -- |
Mo | 1.10-1.75 | Impact (J) | -- |
P | ≤0.030 | Hardness |
Delivery hardness:≤235HB Quenching :≥50HRC Annealed:245-205HB
|
S | ≤0.030 | ||
V | 0.80-1.20 | ||
Application Areas
D6AC Alloy steel round bar is used in many kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry,electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc.

Product Sales Information
Material | 4Cr5MoSiV1 steel round bar |
Size | Diameter:20mm-1000mm Length:500mm-6000mm |
Origin Place | Made In China |
Delivery Condition | Hot rolled,cold drawn,forged |
Surface Require | Black,grinding,bright,polish |
Heat Treatment | Quenched,Tempered,annealed |
Packing | seaworthy packing ,wooden case ,carton,woven bag or at client's requires |
Delivery Time | In 10-50 days |
Trade Term | EXW,FOB,CIF |
Payments | T/T or L/C at sight |
Port | China main Port,such as shanghai,Dalian,Shenzhen port. |
MOQ | 1 Ton |
Packing & Delivery

Why choose us?
- Our Alloy Steel Bars undergo rigorous testing and inspection to ensure their quality and compliance with industry standards.
- We focus on the research and development of new energy and technology to further enhance the low emission level of our D6AC Alloy Steel Round Bar.
- We take pride in our timely and efficient delivery of Alloy Steel Bars to our customers worldwide.
- We must penetrate the quality awareness into the bone marrow and integrate it into the blood, and firmly follow the road of quality and strong enterprise of the boutique strategy.
- Our Alloy Steel Bars are available in various forms, including round bars, flat bars, square bars, and hexagonal bars.
- Adhering to our moto of 'Excellent Quality, Continuous Development, Continuous Improvement and Customer Satisfaction', we strive to maintain long term partnerships with our customers.
- With years of experience in the industry, we can assure you of our expertise in manufacturing Alloy Steel Bars.
- We bring together professionals, relying on a global sales platform to provide customers with customized and considerate services.
- Our Alloy Steel Bars come with a warranty and after-sales service to ensure customer satisfaction.
- Our company has always adhered to the noble mission of contributing quality products to the world, pursued the enterprise spirit of benevolence and passionate struggle, adhered to the corporate values of honesty, responsibility, innovation and sharing, and strived to become a professional leader in related fields with the visionary goal of striving and forging ahead.
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