ASTM 1020 Low Carbon Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- 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
ASTM 1020 Low Carbon Steel Round Bars
Product Description
1. Steel grade: ASTM1020, 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 | ASTM 1020 | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | 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:
- Q: What are the different methods of preventing pitting corrosion in special steel?
- There are several methods available to prevent pitting corrosion in special steel. These techniques aim to protect the steel surface from the corrosive environment and inhibit the formation of pits. Some of the commonly used methods include: 1. Passivation: Passivation involves treating the steel surface with a chemical solution or coating to create a protective oxide layer. This layer acts as a barrier, preventing the penetration of corrosive agents and reducing the risk of pitting corrosion. 2. Alloying: By adding specific alloying elements to the steel composition, its resistance to corrosion can be improved. Elements such as chromium, nickel, and molybdenum are often used as they enhance the steel's ability to form a stable passive film and resist pitting corrosion. 3. Cathodic protection: This method involves using a sacrificial anode or applying an impressed current to the steel surface. By making the steel cathodic, it becomes less susceptible to corrosion as electrons are drawn away from it, preventing the formation of pits. 4. Coatings: Applying a protective coating to the steel surface can effectively prevent pitting corrosion. Coatings such as paint, epoxy, or polymer-based materials act as a physical barrier, shielding the steel from corrosive agents. 5. Environmental control: Controlling the environment surrounding the steel can also help prevent pitting corrosion. This includes measures such as regulating temperature, humidity, and pH levels to ensure they are within acceptable limits and inhibiting the corrosion process. 6. Regular maintenance: Regular inspection and maintenance of the steel surface are crucial for preventing pitting corrosion. Any signs of damage or deterioration should be addressed promptly to prevent further corrosion and potential pitting. It is important to note that the choice of prevention method depends on various factors such as the specific steel composition, the corrosive environment, and the intended application. Proper selection and implementation of these methods can significantly enhance the resistance of special steel to pitting corrosion, ensuring its longevity and performance.
- Q: What are the main characteristics of electrical steel forgings?
- Electrical steel forgings possess several key characteristics that make them highly suitable for electrical applications. Firstly, electrical steel forgings exhibit low core loss, which refers to the amount of energy lost as heat during the magnetic cycle. This low core loss property makes electrical steel forgings ideal for transformers, motors, and generators, as it helps to enhance the overall efficiency and performance of these devices. Secondly, electrical steel forgings have high magnetic permeability, which means they can easily conduct magnetic flux. This characteristic allows for effective magnetic induction and helps to maximize the magnetic field strength in electrical components. As a result, electrical steel forgings enable efficient energy conversion and transmission. Additionally, electrical steel forgings exhibit low coercivity, meaning they require minimal magnetic field strength to magnetize and demagnetize. This property allows for faster and more precise magnetic switching in electrical devices, leading to improved performance and reduced energy losses. Furthermore, electrical steel forgings possess high electrical resistivity, which helps to minimize the flow of electrical current and reduce energy losses due to eddy currents. This characteristic is crucial in applications where electrical steel forgings are subjected to rapidly changing magnetic fields, such as power transformers. Lastly, electrical steel forgings are often treated with surface insulation coatings or coatings with high electrical resistivity to further enhance their electrical performance and prevent any short circuits or electrical leakage. In summary, the main characteristics of electrical steel forgings include low core loss, high magnetic permeability, low coercivity, high electrical resistivity, and the ability to be coated for insulation. These properties make electrical steel forgings essential for various electrical applications, ensuring efficient energy conversion, reduced losses, and reliable performance.
- Q: Can special steel be used in the chemical processing industry?
- Yes, special steel can be used in the chemical processing industry. Special steel alloys, such as stainless steel, offer excellent corrosion resistance and high strength, making them suitable for various applications in chemical plants. These steels can withstand the harsh conditions, chemicals, and high temperatures typically encountered in chemical processing, ensuring the safety and efficiency of the operations.
- Q: What are the main characteristics of corrosion-resistant steel?
- The main characteristics of corrosion-resistant steel include a high level of resistance to rust, corrosion, and staining. It is typically made with alloying elements such as chrome, nickel, and molybdenum, which enhance its ability to withstand harsh environments and corrosive substances. This type of steel is also known for its durability, strength, and longevity, making it suitable for a wide range of applications in industries such as construction, automotive, and marine.
- Q: What are the different types of special steel coatings?
- There are several different types of special steel coatings that are used to enhance the properties and performance of steel. Some of the most common types include: 1. Galvanized Coatings: This type of coating involves the application of a layer of zinc to the steel surface. Galvanized coatings provide excellent corrosion resistance, making them suitable for outdoor applications and structures exposed to harsh environments. 2. Epoxy Coatings: Epoxy coatings are known for their exceptional durability and chemical resistance. They are often used to protect steel from corrosion, abrasion, and chemical exposure. Epoxy coatings can be applied as single or multi-layer systems, enhancing the steel's lifespan and performance. 3. Powder Coatings: Powder coatings are a type of dry coating that is applied electrostatically and then cured under heat. They offer excellent protection against corrosion, impact, and UV damage. Powder coatings are available in a wide range of colors and finishes, making them a popular choice for aesthetic purposes as well. 4. Thermal Spray Coatings: These coatings involve the application of molten particles onto the steel surface using a thermal spray gun. The most common types of thermal spray coatings for steel are ceramic coatings, which provide enhanced wear resistance, thermal insulation, and corrosion protection. 5. PVD Coatings: Physical Vapor Deposition (PVD) coatings involve the deposition of thin layers of metallic or ceramic materials onto the steel surface through a vaporization process. PVD coatings provide improved hardness, wear resistance, and low friction properties to the steel. 6. Organic Coatings: Organic coatings, such as polyurethane or acrylic coatings, offer protection against corrosion, UV damage, and chemical exposure. These coatings are commonly used in architectural applications, automotive parts, and industrial equipment. 7. Chrome Plating: Chrome plating involves the deposition of a layer of chromium onto the steel surface. This coating provides excellent corrosion resistance, hardness, and a decorative finish. Chrome plating is often used in automotive applications and for decorative purposes. It is essential to select the appropriate type of special steel coating based on the specific requirements of the steel component or structure, including the level of corrosion resistance, durability, aesthetics, and environmental factors.
- Q: Is special steel suitable for manufacturing molds and dies?
- The manufacture of molds and dies greatly benefits from the use of special steel. This type of steel encompasses a range of high-quality varieties that possess outstanding properties, including high hardness, wear resistance, toughness, and exceptional heat resistance. These qualities make special steel an ideal choice for producing molds and dies. Molds and dies play a critical role in various industries, such as automotive, aerospace, electronics, and manufacturing. They are responsible for shaping, forming, and cutting materials into desired shapes and sizes. Given the repetitive and demanding nature of their applications, molds and dies are subjected to high pressures, temperatures, and abrasive forces. Consequently, they require a material that can endure these conditions while maintaining their dimensional stability and performance. Special steel, specifically tool steel, is engineered to meet these requirements. It boasts a high level of hardness, allowing it to resist wear and deformation, even under extreme circumstances. This characteristic ensures that molds and dies made from special steel can maintain their shape and precision for extended periods, resulting in improved product quality and reduced maintenance and replacement downtime. Furthermore, special steel provides excellent heat resistance, which is crucial for molds and dies used in high-temperature applications like plastic injection molding or forging. It can withstand the thermal cycling and rapid heating and cooling associated with these processes without compromising its mechanical properties or developing cracks or deformation. Additionally, special steel is renowned for its exceptional toughness, which is vital for molds and dies subject to high pressures and impacts. It has the ability to absorb and distribute applied forces, preventing premature failure and prolonging the lifespan of molds and dies. To summarize, special steel is highly suitable for manufacturing molds and dies due to its remarkable properties, including high hardness, wear resistance, toughness, and excellent heat resistance. These exceptional qualities enable molds and dies to withstand the demanding conditions of their applications, resulting in enhanced performance, longevity, and cost-effectiveness for manufacturers.
- Q: How is special steel used in the production of automotive springs?
- Special steel is used in the production of automotive springs due to its unique properties that make it ideal for this application. Automotive springs, such as suspension springs and valve springs, need to be able to withstand heavy loads, repetitive stress, and high temperatures. Special steel, also known as alloy steel, is specifically designed to have enhanced mechanical properties compared to regular steel. It is typically made by adding additional alloying elements such as chromium, nickel, or molybdenum to improve its strength, hardness, and resistance to wear and fatigue. In the production of automotive springs, special steel is used to create springs that can handle the demanding conditions of the vehicle's suspension system. These springs must be able to absorb and distribute the weight of the vehicle, while also providing a smooth and comfortable ride. The high strength of special steel allows automotive springs to withstand heavy loads without deforming or breaking. This is crucial to ensure the stability and safety of the vehicle, especially during rough road conditions or when carrying heavy loads. Moreover, special steel's resistance to fatigue is essential in the production of automotive springs. These springs undergo millions of cycles of compression and expansion during the vehicle's lifetime. The fatigue resistance of special steel ensures that the springs can maintain their performance and reliability over an extended period. Additionally, special steel's resistance to wear and corrosion is beneficial in automotive applications. Springs are exposed to various environmental elements, such as moisture, dirt, and chemicals, which can lead to corrosion and degradation. Special steel's corrosion resistance helps to prolong the lifespan of automotive springs and maintain their functionality. In summary, the use of special steel in the production of automotive springs ensures that these critical components can withstand heavy loads, repetitive stress, and high temperatures. Its enhanced mechanical properties, including strength, fatigue resistance, and corrosion resistance, make it an ideal material choice for automotive springs, contributing to the overall performance and durability of vehicles.
- Q: What are the advantages of using special steel over other materials?
- Special steel has several advantages over other materials. Firstly, it offers exceptional strength and durability, making it ideal for applications where high performance and reliability are crucial. Additionally, special steel possesses excellent resistance to corrosion, heat, and wear, ensuring longevity and reduced maintenance costs. Moreover, it provides versatility in terms of customization and can be tailored to specific requirements, making it suitable for a wide range of industries and applications. Lastly, special steel offers superior machinability and weldability, facilitating ease of processing and fabrication.
- Q: How does special steel resist corrosion?
- Special steel resists corrosion due to the presence of alloying elements, such as chromium, nickel, and molybdenum, which form a protective oxide layer on its surface. This oxide layer acts as a barrier, preventing the steel from coming into direct contact with corrosive agents, such as moisture, oxygen, and chemicals, thereby significantly reducing the chances of corrosion.
- Q: How does tungsten contribute to the properties of special steel?
- Tungsten is a critical element that contributes significantly to the properties of special steel. One of the major benefits of tungsten in steel is its ability to enhance strength and hardness. It forms a solid solution with iron, resulting in a fine-grained microstructure that increases the overall toughness and wear resistance of the steel. Additionally, tungsten helps to improve the high-temperature strength of special steel. It has a high melting point and maintains its strength even at elevated temperatures, making it ideal for applications that require resistance to heat and thermal stress. This characteristic allows special steel with tungsten to be used in environments with extreme temperatures, such as in gas turbines, rocket nozzles, and cutting tools. Tungsten also plays a crucial role in improving the corrosion resistance of special steel. It forms stable carbides that protect against corrosion and erosion, making the steel more durable and long-lasting. This is particularly valuable in industries where the steel is exposed to corrosive environments, such as chemical processing, marine applications, and oil and gas exploration. Furthermore, tungsten contributes to the machinability of special steel. It helps in reducing the built-up edge during cutting operations, resulting in improved surface finish and longer tool life. This characteristic is highly advantageous in industries that require precision machining, such as automotive, aerospace, and tool manufacturing. In summary, tungsten is a vital element in special steel as it enhances strength, hardness, high-temperature performance, corrosion resistance, and machinability. Its unique properties make it an indispensable component in the production of high-quality steel used in various industries.
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ASTM 1020 Low Carbon Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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