SAE 1020 Carbon Steel Round Bar of CNBM

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 50000 m.t./month

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Specification

Type:

Carbon Steel

Shape:

Steel Round Bar

SAE 1020 Carbon Steel Round Bar of CNBM

Product Description

1. Steel grade: SAE1020, 20#, C22, S20C

2. Length: 6M-12M
3. Diameter: 16mm-300mm

4. Product range: round bar, flat bar, square bar

5. Technique: Hot rolled, forged, cold drawn

Specification:

Material	SAE 1020	Round bar	Dia(mm)	16-300mm
Process	EAF + LF + VD + Forged + Heat Treatment (optional)	Round bar	Length (mm)	Max 12m
Heat treatment	Normalized / Annealed / Quenched / tempered	Flat bar	Thickness(mm)	8-500mm
Delivery condition	Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)		Width(mm)	70-200mm
Test	Ultrasonic test according to SEP 1921-84 D/d		Length (mm)	Max 12m

Chemical Composition

C	Si	Mn	Cr	Ni	Cu
0.17~0.23	0.17~0.37	0.35~0.65	≤0.25	≤0.30	≤0.25

Packing and Delivery:

Packing in bundle package, or as customer's requirements.

Delivery Detail: 45 days after receiving the deposit.

Usage and Applications
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.

2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.

3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.

Product Show

SAE 1020 Carbon Steel Round Bar of CNBM

Q: What are the specific requirements for special steel used in the railway wheel industry?: The specific requirements for special steel used in the railway wheel industry include high strength and toughness, excellent wear resistance, good heat resistance, and the ability to withstand heavy loads and impact. The steel must also have low levels of impurities to ensure its durability and longevity in the demanding railway environment. Additionally, it should possess good fatigue resistance to withstand repeated stress cycles and meet specific dimensional and mechanical property standards set by the industry.

Q: How does special steel perform in high-pressure applications?: High-pressure applications benefit greatly from the exceptional performance of special steel. This steel is specifically designed to endure extreme pressure conditions, making it the perfect choice for industries that require reliable and durable materials for their operations. One of the main advantages of special steel is its high tensile strength, which allows it to handle immense pressure without deforming or failing. This strength is achieved through the use of alloying elements and heat treatment processes that enhance the steel's structural integrity. As a result, special steel can withstand the intense forces exerted on it in high-pressure environments, ensuring the safety and efficiency of the equipment or structures in which it is used. Furthermore, special steel shows excellent resistance to corrosion and oxidation, further enhancing its suitability for high-pressure applications. This resistance helps maintain the steel's structural integrity, preventing any weakening or degradation that could compromise its performance under pressure. Additionally, special steel's resistance to corrosion ensures that it can endure harsh environments, such as those found in the oil and gas extraction, chemical processing, or power generation industries. Another advantage of special steel in high-pressure applications is its ability to retain its mechanical properties even at elevated temperatures. This property is crucial in industries where high temperatures are involved, such as aerospace, nuclear power, or steam generation. The steel's high-temperature strength and stability enable it to withstand the combination of high pressure and elevated temperatures, ensuring reliable performance and long-term durability. To summarize, special steel is an outstanding choice for high-pressure applications due to its high tensile strength, resistance to corrosion and oxidation, as well as its ability to maintain its mechanical properties at elevated temperatures. Its exceptional performance in these demanding conditions makes it a reliable and durable material for industries that operate in high-pressure environments.

Q: How does special steel contribute to the telecommunications industry?: Special steel plays a crucial role in the telecommunications industry by providing the necessary materials for the production of various components such as cables, connectors, and transmission towers. It offers exceptional strength, durability, and resistance to corrosion, allowing for reliable and long-lasting infrastructure. Whether it's in the form of high-tensile steel wires for cables or corrosion-resistant steel for towers, special steel ensures efficient and uninterrupted communication networks, supporting the growth and advancement of the telecommunications industry.

Q: How is wear-resistant steel used in mining and earthmoving equipment?: Wear-resistant steel is extensively used in mining and earthmoving equipment due to its exceptional properties that enable it to withstand harsh conditions. It is used to manufacture various components, such as buckets, blades, crushers, and drilling equipment, which are subjected to intense abrasion and impact. The wear-resistant steel's hardness, durability, and resistance to wear and tear make it ideal for protecting these equipment parts from excessive damage and extending their lifespan.

Q: Can special steel be used for nuclear power plant components?: Yes, special steel can be used for nuclear power plant components. Special steel alloys, such as stainless steel or low alloy steel, are commonly used in the construction of various components in nuclear power plants due to their high strength, corrosion resistance, and ability to withstand high temperatures and radiation exposure. These properties are crucial for ensuring the safety and longevity of nuclear power plants.

Q: What are the different methods of preventing hydrogen embrittlement in special steel?: There are several methods that can be employed to prevent hydrogen embrittlement in special steel. 1. Proper material selection: Choosing the right type of steel with a lower susceptibility to hydrogen embrittlement can be an effective preventive measure. Steels with high strength and hardness are generally more susceptible to embrittlement, so opting for steels with lower alloy content or different composition can be beneficial. 2. Controlled heat treatment: Proper heat treatment processes can help reduce the risk of hydrogen embrittlement. Tempering and annealing at specific temperatures can relieve internal stresses and minimize the impact of hydrogen absorption. 3. Hydrogen mitigation techniques: Various techniques can be utilized to prevent or reduce the amount of hydrogen in the steel. These include preheating the steel before exposure to hydrogen, utilizing desorption methods such as vacuum annealing to remove trapped hydrogen, and employing hydrogen scavenger coatings or inhibitors that capture or neutralize the hydrogen. 4. Stress reduction: High levels of stress can increase the likelihood of hydrogen embrittlement. Implementing stress relief techniques such as shot peening or stress-relieving heat treatments can help reduce the potential for embrittlement. 5. Proper handling and storage: Hydrogen embrittlement can also occur during the manufacturing, handling, or storage stages. It is essential to ensure that the steel is protected from exposure to hydrogen-rich environments, such as during cleaning or pickling processes. Proper packaging and storage techniques, including the use of dry environments or protective coatings, can also help prevent hydrogen absorption. 6. Maintenance and inspection: Regular inspection and maintenance of the steel components can help identify any signs of hydrogen embrittlement at an early stage. This allows for timely repairs or replacements to prevent catastrophic failures. It is important to note that the specific method or combination of methods employed to prevent hydrogen embrittlement may vary depending on the specific application, the type of steel, and the environmental conditions it will be exposed to. Therefore, it is crucial to consult with experts and adhere to industry standards and guidelines to ensure effective prevention of hydrogen embrittlement in special steel.

Q: How is special steel recycled or disposed of?: The material known as special steel, or alloy steel, is highly valuable and in great demand because of its unique properties and uses. When it comes to disposing of or recycling special steel, there are several methods available depending on the condition and quality of the material. Recycling is the most preferred and commonly used method for managing special steel. The recycling process involves gathering, organizing, and melting down the steel scrap so that it can be reused in the production of new steel products. This process helps to preserve natural resources, reduce energy consumption, and minimize waste. The initial step in recycling special steel involves collecting scrap or end-of-life products that contain this material. These sources can include discarded machinery, automotive parts, construction materials, and even old appliances. Once collected, the steel is sorted and separated from other materials, such as plastic, rubber, or non-ferrous metals, using various techniques like magnetic separation, eddy current separation, or manual sorting. After the sorting process, the steel scrap is sent to a specialized recycling facility, commonly referred to as a steel mill or foundry. Here, the scrap is melted down in large furnaces at extremely high temperatures. During this process, impurities and contaminants are removed, and alloying elements can be added to achieve the desired composition and properties of the steel. Once the steel has been melted and purified, it is cast into various forms such as ingots, billets, or slabs, which can then be used to manufacture new steel products. These products may include pipes, bars, plates, or even new machine parts, depending on the specific needs of the industry. When it comes to disposal, special steel should be seen as a valuable resource and not simply discarded as waste. However, in cases where the steel is irreparably damaged or contains hazardous materials, proper disposal methods must be followed. This typically involves seeking advice from specialized waste management companies that can handle the safe and environmentally friendly disposal of such materials. In conclusion, special steel is primarily recycled due to its high value and the various benefits associated with recycling. Through the processes of collection, sorting, and melting, special steel can be transformed into new products while conserving resources and minimizing waste. Proper disposal methods are only necessary in exceptional cases where recycling is not feasible or when dealing with damaged or hazardous materials.

Q: How does special steel compare to stainless steel?: Special steel and stainless steel are two distinct types of steel with different properties and applications. While stainless steel is known for its corrosion resistance, special steel is recognized for its exceptional strength and durability. Special steel is often used in high-stress environments where resistance to wear, impact, or extreme temperatures is crucial. On the other hand, stainless steel is preferred in applications where resistance to rust and staining is essential, such as in kitchen appliances or medical instruments. Therefore, the choice between special steel and stainless steel depends on the specific requirements and desired characteristics for a particular application.

Q: How does special steel contribute to the automotive sector?: Special steel plays a significant role in the automotive sector by contributing to the manufacturing and performance of various automotive components. It offers several benefits that enhance the overall quality, durability, and safety of vehicles. Firstly, special steel is known for its exceptional strength and toughness. This makes it ideal for producing critical automotive parts such as engine components, chassis, suspension systems, and safety reinforcements. These components require high strength to withstand the stresses and strains experienced during vehicle operation, ensuring the safety of passengers. Furthermore, special steel provides excellent resistance to wear, corrosion, and high-temperature environments. This makes it suitable for manufacturing parts like gears, bearings, shafts, and exhaust systems, which are exposed to harsh conditions. The use of special steel in these components improves their lifespan, reliability, and overall performance, reducing maintenance and replacement costs for vehicle owners. Moreover, special steel enables the lightweighting of vehicles. Automakers are constantly striving to reduce the weight of vehicles to enhance fuel efficiency and reduce emissions. Special steel alloys, such as high-strength low-alloy (HSLA) steel, offer a unique combination of strength and lightweight properties, allowing manufacturers to design lighter and more fuel-efficient vehicles without compromising on safety or performance. In addition to its mechanical properties, special steel also contributes to the automotive sector through its versatility in manufacturing processes. It can be easily formed, welded, and machined, enabling complex shapes and designs for automotive parts. This flexibility enhances the design possibilities and allows for innovative solutions to meet the evolving needs of the automotive industry. Overall, special steel plays a crucial role in the automotive sector by providing strength, durability, and lightweight properties to various components. Its use in critical parts ensures the safety of vehicles and passengers, while its resistance to wear and corrosion improves the longevity and performance of automotive systems. With the constant drive for fuel efficiency and innovation in the automotive industry, special steel continues to be an essential material in shaping the future of automobiles.

Q: What are the different surface treatments used for special steel?: There are several surface treatments commonly used for special steel, including galvanization, nitriding, carburizing, and plating. Galvanization involves applying a protective zinc coating to prevent corrosion. Nitriding is a heat treatment process that enriches the surface of the steel with nitrogen, enhancing hardness and wear resistance. Carburizing involves introducing carbon into the steel's surface, creating a hardened layer. Plating, on the other hand, involves covering the steel with a thin layer of another metal, such as chrome or nickel, for improved aesthetics and corrosion resistance.

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