SAE 1020 Carbon Steel Round Bar of CNBM
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Item specifice
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) | 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 heat treatment methods used for special steel?
- There are several heat treatment methods used for special steel, including annealing, quenching, tempering, normalizing, and case hardening.
- Q:How does special steel perform in high-temperature oxidation with sulfur-containing atmospheres?
- Special steel performs well in high-temperature oxidation with sulfur-containing atmospheres due to its enhanced resistance to sulfur-induced corrosion. The alloy composition and surface treatment of special steel enable it to form a protective oxide layer that prevents sulfur from penetrating the material, thereby reducing the risk of oxidation and corrosion.
- Q:How does stainless steel contribute to the production of medical implants?
- Stainless steel contributes to the production of medical implants primarily due to its exceptional properties such as corrosion resistance, high strength, biocompatibility, and ease of sterilization. These qualities make stainless steel an ideal material for manufacturing various medical implants like joint replacements, bone plates, screws, and dental implants.
- Q:How does special steel resist wear and tear?
- Special steel resists wear and tear due to its unique composition and manufacturing process. It is typically alloyed with elements like chromium, nickel, and molybdenum, which enhance its hardness, strength, and corrosion resistance. Additionally, special steel undergoes heat treatment processes such as quenching and tempering, which further increase its durability and ability to withstand various mechanical stresses. This combination of alloying elements and heat treatment results in a steel that is highly resistant to wear, friction, and fatigue, making it suitable for demanding applications where durability is crucial.
- Q:What are the key differences between special steel and tool steel?
- Special steel and tool steel are both types of steel that have specific properties and applications. However, there are some key differences between the two. 1. Composition: Special steel is a broad term that encompasses a variety of steel alloys with specific properties for different applications. It can include stainless steel, high-strength alloy steel, and heat-resistant steel, among others. On the other hand, tool steel is a specific type of special steel that is designed to be used in the production of tools, dies, and molds. Tool steel typically contains higher levels of carbon and other alloying elements like chromium, vanadium, or tungsten, which enhance its hardness, wear resistance, and toughness. 2. Hardness and wear resistance: Tool steel is known for its exceptional hardness and wear resistance, which makes it ideal for cutting, shaping, and forming materials. It can withstand high temperatures and resist deformation, ensuring the longevity of tools and dies. Special steel, on the other hand, may not have the same level of hardness and wear resistance as tool steel, as its properties vary depending on the specific alloy and application. Special steel alloys may prioritize other properties like corrosion resistance or strength. 3. Manufacturing processes: Tool steel is often produced through specialized manufacturing processes like hot working, cold working, or heat treatment to achieve the desired properties. The production of tool steel involves precise control of temperature and cooling rates to achieve the required hardness and toughness. Special steel, on the other hand, may undergo various manufacturing processes depending on the desired properties. These can include forging, casting, or heat treatment, among others. 4. Applications: Tool steel is primarily used in the production of tools, dies, and molds for manufacturing processes such as cutting, shaping, and forming materials. It is commonly used in industries like automotive, aerospace, and machinery. Special steel, on the other hand, has a wide range of applications depending on the specific alloy and properties. It can be used in industries such as construction, energy, and manufacturing, where specific properties like corrosion resistance, heat resistance, or strength are required. In summary, the key differences between special steel and tool steel lie in their composition, hardness, wear resistance, manufacturing processes, and applications. While special steel is a broad term for various steel alloys with specific properties, tool steel is a specific type of special steel designed for tooling applications. Tool steel is characterized by its exceptional hardness and wear resistance, making it ideal for cutting and shaping materials, while special steel can have a broader range of properties depending on the specific alloy and application.
- Q:How does special steel contribute to reducing product downtime?
- Special steel contributes to reducing product downtime by offering superior strength, durability, and corrosion resistance compared to regular steel. This allows for the manufacturing of high-performance components that can withstand harsh operating conditions, reducing the likelihood of breakdowns or failures. Additionally, special steel's enhanced wear resistance prolongs the lifespan of products, minimizing the need for frequent replacements or repairs. Overall, the use of special steel in various industries helps to ensure reliable and uninterrupted operation, leading to reduced downtime and increased productivity.
- Q:How is special steel used in the medical industry?
- Special steel is used in the medical industry for a variety of applications such as surgical instruments, implants, and medical devices. The properties of special steel, including its strength, corrosion resistance, and biocompatibility, make it ideal for these purposes. It ensures the safety and effectiveness of medical procedures, allowing for precise and durable tools and implants that are essential for patient care.
- Q:How does special steel contribute to the defense machinery industry?
- Special steel contributes to the defense machinery industry by providing superior strength, durability, and resistance to corrosion. This type of steel is specifically designed to meet the demanding requirements of military applications, ensuring that defense machinery can withstand harsh environments, extreme temperatures, and heavy use. By utilizing special steel, the defense industry can produce high-performance weapons, vehicles, and equipment that are essential for national security and defense capabilities.
- Q:What are the common heat treatment methods used for special steel?
- There are several common heat treatment methods used for special steel to improve its mechanical properties and enhance its performance. Some of these methods include: 1. Annealing: This process involves heating the steel to a specific temperature and then cooling it slowly to relieve internal stresses and create a refined microstructure. Annealing helps to improve the machinability and ductility of the steel. 2. Normalizing: Normalizing is a heat treatment method that involves heating the steel to a temperature above its critical point and then cooling it in still air. This process helps to refine the grain structure of the steel, improve its toughness, and enhance its strength. 3. Quenching: Quenching is a rapid cooling process that involves immersing the steel in a quenching medium, such as water, oil, or polymer. This method is used to increase the hardness and strength of the steel by forming a hard martensitic structure. However, quenching can also introduce internal stresses and reduce the steel's toughness, so it is often followed by tempering. 4. Tempering: Tempering is a heat treatment method that involves reheating the quenched steel to a specific temperature and then cooling it gradually. This process helps to relieve internal stresses, reduce hardness, and improve the toughness and ductility of the steel. Tempering also helps to enhance the steel's resistance to brittle fracture. 5. Austempering: Austempering is a heat treatment method that involves quenching the steel to a temperature just above its martensitic transformation range and then holding it at this temperature until the austenite transforms into bainite. This process produces a unique microstructure that provides a combination of high strength and good toughness. 6. Martempering: Martempering is similar to austempering, but the steel is quenched to a temperature just below its martensitic transformation range and then held at this temperature until the transformation is complete. Martempering produces a microstructure with improved strength and toughness compared to conventional quenching. These heat treatment methods are commonly used for special steel to tailor its properties to specific applications and requirements. The choice of method depends on factors such as the desired mechanical properties, the steel's composition, and the intended use of the final product.
- Q:What are the main advantages of using special steel in the mining industry?
- The main advantages of using special steel in the mining industry are its high strength and durability, which make it capable of withstanding the harsh conditions and heavy loads associated with mining operations. Special steel also offers excellent resistance to corrosion, abrasion, and impact, ensuring a longer lifespan for mining equipment and reducing maintenance costs. Additionally, special steel's superior heat resistance and toughness make it suitable for high-temperature applications, such as smelting and refining processes.
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SAE 1020 Carbon Steel Round Bar of CNBM
- Ref Price:
-
- Loading Port:
- Shanghai
- 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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