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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Item specifice
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:Can special steel be used in construction?
- Yes, special steel can be used in construction. Special steel, also known as alloy steel, offers superior strength, durability, and resistance to corrosion and wear compared to regular steel. It is commonly used in the construction of high-rise buildings, bridges, and other structures that require exceptional strength and longevity. Additionally, special steel can be customized to meet specific project requirements, making it a versatile choice for construction applications.
- Q:How is special steel used in the production of conveyor belts?
- To improve the durability, strength, and overall performance of conveyor belts, special steel is utilized during their production. Conveyor belts are commonly employed in industries like mining, manufacturing, food processing, and logistics for the transportation of materials and goods. These belts face various challenging conditions, including heavy loads, high temperatures, and abrasive materials. To ensure the longevity and reliability of conveyor belts, specific parts are constructed using special steel alloys such as stainless steel or heat-resistant steel. For instance, stainless steel is frequently used in wire mesh belts to prevent corrosion and rust, especially when the conveyor belt is exposed to moisture or chemicals. This safeguards the smooth and efficient movement of materials, preventing contamination. Moreover, special steel is incorporated in the manufacturing of belt fasteners, hinges, and other connecting components. These parts must endure substantial tension, heat, and wear, making standard steel inadequate in terms of strength and durability. Special steel alloys offer superior strength, high temperature resistance, and improved wear resistance, ensuring the reliable functioning of conveyor belts even under demanding conditions. Additionally, in applications where conveyor belts are subjected to extreme temperatures, such as steel mills or foundries, special heat-resistant steel is utilized. This type of steel can withstand intense heat without deformation or loss of strength, enabling the conveyor belt to operate safely and efficiently in such extreme environments. In conclusion, special steel plays a crucial role in enhancing the durability, strength, and ability of conveyor belts to withstand challenging conditions. Its utilization in wire mesh belts, fasteners, hinges, and heat-resistant components ensures the longevity and reliability of conveyor belts across diverse industries.
- Q:What are the limitations of using special steel in high-temperature applications?
- The limitations of using special steel in high-temperature applications include its susceptibility to oxidation and corrosion, reduced mechanical strength at elevated temperatures, and potential for thermal expansion and distortion. Additionally, special steel may be expensive and difficult to obtain, limiting its practicality in certain applications.
- Q:How does special steel enhance the performance of cutting tools?
- Special steel enhances the performance of cutting tools in several ways. Firstly, special steel is designed to have a higher hardness and wear resistance compared to standard steel. This increased hardness allows cutting tools to maintain their sharpness for a longer period, resulting in improved cutting efficiency and accuracy. Additionally, the high wear resistance of special steel ensures that the cutting edges of the tools do not wear down quickly, enabling them to withstand the high forces and pressures involved in cutting operations. Furthermore, special steel often has superior toughness and strength compared to regular steel. This enhanced toughness allows cutting tools to withstand impacts and vibrations without breaking or chipping, ensuring their durability and longevity. The increased strength of special steel also enables cutting tools to handle higher cutting speeds and feed rates, thereby improving productivity and reducing machining time. Special steel also offers excellent heat resistance properties, which is crucial for cutting tools that are subjected to high temperatures during machining processes. This heat resistance prevents the cutting edges from becoming soft or deforming, which can result in poor cutting performance and reduced tool life. Additionally, special steels can have improved corrosion resistance, preventing the tools from rusting or corroding when exposed to moisture or aggressive cutting fluids. In summary, the unique properties of special steel, including higher hardness, wear resistance, toughness, strength, heat resistance, and corrosion resistance, all contribute to enhancing the performance of cutting tools. These characteristics enable cutting tools to maintain their sharpness, withstand high forces and temperatures, resist wear and corrosion, and ultimately, improve cutting efficiency, accuracy, and tool life.
- Q:What are the different methods for improving the heat resistance of special steel?
- There are several methods for improving the heat resistance of special steel. One common approach is alloying, where additional elements are added to the steel composition to enhance its resistance to heat. Another method is heat treatment, which involves subjecting the steel to specific heating and cooling processes to alter its microstructure and improve its ability to withstand high temperatures. Additionally, surface treatments such as nitriding or coating can be used to enhance the heat resistance of special steel by forming a protective layer on its surface.
- Q:What are the limitations of special steel?
- Some limitations of special steel include its high cost and limited availability, as well as the difficulty in shaping and processing it. Additionally, special steel may have lower tensile strength compared to other materials and can be prone to corrosion if not properly maintained.
- Q:What are the challenges in machining high-speed special steel?
- Several challenges arise when machining high-speed special steel due to its unique properties and characteristics. Its extreme hardness presents one of the main obstacles, making cutting and shaping difficult. High-speed special steel typically has a high carbon content and undergoes heat treatment to enhance its hardness, resulting in increased wear on cutting tools. The increased hardness of this steel also leads to elevated heat generation during the machining process. This heat can cause thermal distortion and impact the dimensional accuracy of the final product. To counteract this, specialized cooling techniques and cutting tools with advanced coatings must be used to dissipate heat and maintain stability. Another challenge is the brittleness of high-speed special steel. It tends to have low toughness and is susceptible to cracking and chipping during machining operations. To minimize the risk of tool failure and excessive stress, careful selection of cutting parameters such as cutting speed, feed rate, and depth of cut is necessary. Furthermore, high-speed special steel often contains alloying elements like tungsten, vanadium, and cobalt, which can further complicate the machining process. While these elements increase the strength and wear resistance of the steel, they also make it more challenging to machine. Effective machining of these alloys and achieving desired surface finishes requires specialized tool materials and cutting strategies. Additionally, the cost of high-speed special steel is often significantly higher than that of conventional steels, adding to the challenges of machining. The high tooling costs associated with the cutting tools required for machining this steel can be a substantial investment. Overall, machining high-speed special steel necessitates advanced cutting techniques, specialized tooling, and careful consideration of cutting parameters to overcome the challenges posed by its extreme hardness, brittleness, and alloying elements.
- Q:What are the requirements for special steel used in military applications?
- Special steel used in military applications must meet certain requirements to ensure optimal performance and durability in the field. These requirements include: 1. High strength: Military applications often involve extreme conditions, such as heavy loads, impacts, and shocks. Special steel used in these applications must have high strength to withstand these forces without deformation or failure. 2. Toughness: The steel should have excellent toughness to resist cracking or fracturing under high-stress situations. This is crucial for ensuring the safety of military personnel and equipment. 3. Corrosion resistance: Military operations can take place in various environments, including marine or coastal areas where exposure to moisture, saltwater, and other corrosive elements is common. Special steel used in military applications should have good corrosion resistance to maintain its structural integrity over time. 4. Heat resistance: Military equipment often encounters high temperatures due to friction, combustion, or exposure to explosives. The steel used must have good heat resistance to prevent deformation or loss of strength under these conditions. 5. Wear resistance: Military equipment is subject to frequent use, abrasive contact, and potential impact with foreign objects. Special steel used in these applications should have excellent wear resistance to minimize damage and prolong the lifespan of the equipment. 6. Machinability: Special steel used in military applications should be easy to machine and process into various shapes and sizes. This ensures that it can be tailored to specific requirements and easily integrated into different military systems. 7. Cost-effectiveness: While meeting all the above requirements, special steel used in military applications should also be cost-effective. The steel must offer a good balance between performance and cost to ensure efficient use of resources. By meeting these requirements, special steel used in military applications can provide the necessary strength, durability, and reliability needed for military operations, ensuring the safety and effectiveness of military personnel and equipment.
- Q:What are the key alloying elements used in special steel?
- The specific application and desired properties determine the key alloying elements used in special steel. Some commonly used alloying elements in special steel are chromium, nickel, molybdenum, vanadium, tungsten, and cobalt. To enhance the steel's hardness, wear resistance, and corrosion resistance, chromium is often added. Nickel, on the other hand, increases the steel's strength, toughness, and corrosion resistance. Molybdenum is commonly used to improve the steel's high-temperature strength, resistance to creep, and resistance to corrosion by certain chemicals. Vanadium is added to increase the steel's strength, toughness, and wear resistance, especially at high temperatures. Tungsten is another element used to enhance the steel's high-temperature strength and wear resistance. Cobalt, on the other hand, is often added to improve the steel's strength and toughness, particularly at elevated temperatures. These alloying elements are carefully chosen and added in specific proportions to achieve the desired properties for various applications, including aerospace, automotive, energy, and tooling industries. By incorporating these alloying elements, special steel can be customized to meet specific performance requirements, making it suitable for a wide range of demanding applications.
- Q:What are the challenges in welding special steel alloys?
- The challenges in welding special steel alloys include their high carbon content, which can result in increased hardness and potential cracking during the welding process. Additionally, these alloys often have a higher melting point, requiring specialized equipment and techniques for proper fusion. The presence of alloying elements can also lead to increased heat input and distortion, necessitating careful control of welding parameters. Lastly, the potential for intermetallic phase formation and reduced corrosion resistance in these alloys poses additional challenges in achieving strong and durable welds.
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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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