D6 Cold Work Mould Steel Round Bars DIN1.2436

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 1

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 2

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 3

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 4

D6 Cold Work Mould Steel Round Bars DIN1.2436

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Element	Content (%)
Iron, Fe	83.05
Chromium, Cr	12.5
Carbon, C	2.05
Tungsten, W	1.3
Manganese, Mn	0.8
Silicon, Si	0.3

Forging

D6 tool steel is heated slowly and uniformly to 700°C (1292°F) and then more rapidly to 900-1050°C (1652-1922°F).

Annealing

D6 tool steel is then annealed at 800-840°C (1472-1544°F) and cooled. Hardness of the steel after annealing will be approximately 225 Brinell.

Stress Relieving

Stresses from D6 tool steel can be eliminated before hardening by heating up to 650-700°C (1202-1292°F), if machining operations have been heavy. The steel is then allowed to cool slowly.

Hardening

D6 steel is pre-heated slowly to 750-800°C (1382-1472°F) and thoroughly soaked. Heating is then continued till the final hardening of 950-980°C (1742-1796°F), followed by air or oil quenching.

Tempering

The steel is heated uniformly and thoroughly at the selected tempering temperature. Double tempering can also be carried out with intermediate cooling to room temperature.

Main applications of D6 tool steels:

Forming tools
Molds for abrasive plastics and ceramics
Long-run press tools
Blanking and shearing tools for hard materials.

D6 Cold Work Mould Steel Round Bars DIN1.2436

Q: What is the difference between a solid steel round bar and a hollow steel round bar?: The main difference between a solid steel round bar and a hollow steel round bar lies in their composition and structural design. A solid steel round bar is a cylindrical rod made entirely of solid steel material, whereas a hollow steel round bar features a hollow center, creating a tubular structure. This difference in design impacts their weight, strength, and application. Solid steel round bars tend to be heavier and more robust, making them suitable for applications that require high strength and durability. On the other hand, hollow steel round bars are lighter and provide more flexibility in terms of design and application. They are often used in situations where weight reduction is necessary or for applications that require the passage of fluids or wiring through the bar's hollow center.

Q: Can steel round bars be threaded?: Yes, steel round bars can be threaded. Threading refers to the process of cutting threads onto the surface of a cylindrical object, such as a steel round bar, to create a screw-like shape. This allows the bar to be securely fastened into a corresponding threaded hole or to join with another threaded component. Threading can be done using different methods, such as manual threading with a die or using machine tools like lathes or thread rolling machines. The specific method used depends on the size and type of thread required. However, it is important to note that not all steel round bars are suitable for threading, as the material composition and hardness of the steel can affect the threading process. Therefore, it is recommended to consult with a professional or experienced personnel to ensure the steel round bar is suitable for threading and to determine the appropriate threading method.

Q: What is the carbon content in steel round bars?: The carbon content in steel round bars varies depending on the grade and type of steel being used. Generally, carbon steel round bars contain carbon in the range of 0.08% to 1.5%. Higher carbon content provides increased strength and hardness, but it also decreases weldability and ductility. The specific carbon content in steel round bars is determined during the manufacturing process and can be specified by the customer based on their desired mechanical properties and application requirements.

Q: How are steel round bars used in the construction of dams and reservoirs?: Due to their strength, durability, and versatility, steel round bars are essential components in the construction of dams and reservoirs. These bars, typically made of reinforced steel, play a vital role in reinforcing the concrete structures that make up dams and reservoirs. In dam construction, steel round bars are primarily used as reinforcement in concrete walls and foundations. Strategically placed within the concrete, these bars provide additional tensile strength, preventing cracking and ensuring the structural integrity of the dam. By withstanding the enormous pressure exerted by the water, the reinforcement helps prevent leaks or potential failures. Furthermore, steel round bars are utilized to strengthen the spillway gates and control structures of dams and reservoirs. These gates regulate the flow of water and prevent overflow during heavy rains or floods. By reinforcing these critical areas with steel round bars, engineers guarantee that the gates can endure the forces exerted by the flowing water, maintaining their functionality and preventing potential damage. In addition, steel round bars are used in the construction of penstocks, which are large pipes or conduits that transport water from reservoirs to turbines in hydroelectric power plants. These bars reinforce the penstocks, ensuring they can withstand the high pressure of the water as it flows through and powers the turbines. In conclusion, steel round bars are extensively applied in dam and reservoir construction to enhance the strength and durability of various structural components. Their ability to reinforce concrete walls, foundations, spillway gates, control structures, and penstocks makes them indispensable in ensuring the longevity and stability of these crucial water infrastructures.

Q: Can steel round bars be used in corrosive environments?: Steel round bars can be used in corrosive environments, but their suitability depends on the specific type of steel and the severity of the corrosion. Stainless steel round bars, for example, are known for their excellent corrosion resistance and are commonly used in corrosive environments such as marine applications, chemical processing plants, and wastewater treatment facilities. These bars are typically alloyed with elements like chromium and nickel, which form a protective layer on the steel surface, preventing corrosion. However, carbon steel round bars are more prone to corrosion and may not be suitable for highly corrosive environments without proper coatings or treatments. In such cases, it is important to consult with experts or engineers to select the appropriate steel grade and take necessary precautions to ensure the longevity and performance of steel round bars in corrosive environments.

Q: Can steel round bars be heat treated to enhance their properties?: Steel round bars can undergo heat treatment to improve their properties. This process involves controlled heating and cooling to modify the microstructure of the steel, ultimately enhancing its mechanical properties like strength, hardness, toughness, and ductility. Various heat treatment methods can be employed based on the desired outcome. One commonly used method is quenching and tempering. This involves heating the steel to high temperatures, forming a uniform austenitic structure, then rapidly cooling it in oil or water to transform the austenite into a stronger structure called martensite. However, martensite can be brittle, so the steel is subsequently tempered by reheating it at lower temperatures to reduce brittleness while maintaining the desired hardness. Another method is annealing, where the steel is heated to a specific temperature and slowly cooled to relieve internal stresses and enhance ductility. This process also refines the grain structure of the steel, improving machinability and formability. Furthermore, there are other heat treatment methods like normalizing, stress relieving, and case hardening, each tailored to enhance specific properties of steel round bars. Overall, heat treatment is a versatile and effective technique for enhancing the properties of steel round bars, enabling them to meet specific requirements in industries such as manufacturing, construction, automotive, and aerospace.

Q: What is the difference between a ground and a polished steel round bar?: The surface finish and appearance of a ground steel round bar and a polished steel round bar differentiate them from each other. To achieve a smooth and even surface finish, a grinding process is applied to a ground steel round bar. This involves the use of a grinding wheel or belt to remove any surface imperfections like roughness or irregularities. Ground steel round bars are commonly employed in applications that require precision and tight tolerances, such as in machinery or automotive components. On the contrary, a polishing process is used to create a high shine and reflective surface on a polished steel round bar. This process involves the use of abrasive materials like polishing compounds or buffing wheels. It enhances the aesthetics of the steel bar, making it visually appealing. Polished steel round bars find frequent use in decorative applications, architectural projects, or industries where a visually pleasing appearance is desired, such as jewelry or interior design. In conclusion, the surface finish is the key differentiating factor between ground and polished steel round bars. Ground steel round bars prioritize precision and smoothness, whereas polished steel round bars prioritize a shiny and reflective appearance.

Q: Can steel round bars be used in the manufacturing of couplings?: Yes, steel round bars can be used in the manufacturing of couplings.

Q: What are the advantages of using boron-alloy steel round bars?: Using boron-alloy steel round bars in various applications offers several advantages. Firstly, compared to traditional carbon steel, boron-alloy steel has significantly higher strength. This increased strength enables the construction of lightweight and durable structures, reducing material costs and improving overall efficiency. Additionally, boron-alloy steel round bars exhibit excellent hardenability. This means they can be heat-treated to achieve desired properties such as increased hardness and wear resistance. This makes them ideal for demanding applications in industries like automotive and construction, where high strength and durability are necessary. Another advantage of boron-alloy steel round bars is their enhanced weldability. They can be easily welded without sacrificing their mechanical properties, allowing for seamless integration into various fabrication processes. This saves time and effort during assembly and ensures the structural integrity of the final product. Furthermore, boron-alloy steel round bars offer excellent resistance to abrasion and corrosion. This makes them suitable for use in harsh environments or applications where exposure to chemicals or moisture is common. The extended lifespan of the material reduces the need for frequent repairs or replacements, resulting in cost savings and improved productivity. Lastly, boron-alloy steel round bars are readily available and cost-effective compared to other high-strength steel alternatives. Their wide availability makes them a viable option for a range of applications, from manufacturing machinery to constructing infrastructure. In summary, the benefits of using boron-alloy steel round bars include higher strength and durability, improved hardenability, enhanced weldability, resistance to abrasion and corrosion, and cost-effectiveness. These advantages make them an excellent choice for various industries that require lightweight, strong, and long-lasting materials.

Q: What is the mechanical properties of No. 40 round bar?: There are 20 kinds of steel classification: carbon steel, alloy steel, carbon structural steel, special purpose and so on. Look at the questions this afternoon and find out about the books. Which type of steel do you ask? This is not clear, I gave up the answer, and then I see your this question.

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