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 is the impact of titanium in special steel alloys?
- Special steel alloys greatly benefit from the inclusion of titanium, a remarkably versatile and valuable element. The addition of titanium to these alloys has a profound effect on their properties and performance. One of titanium's major impacts on special steel alloys is the enhancement of strength and durability. Titanium possesses a remarkable strength-to-weight ratio, meaning that even a small amount of titanium can significantly increase the strength of the steel alloy. This quality proves particularly advantageous in industries such as aerospace or automotive, where high strength and resistance to deformation or fatigue are essential. Moreover, titanium also contributes to the corrosion resistance of steel alloys. It forms a protective oxide layer on the steel's surface, effectively preventing or minimizing the detrimental effects of corrosion caused by exposure to various environmental factors like moisture, chemicals, or saltwater. This corrosion resistance becomes especially crucial in industries where steel is subjected to harsh conditions, such as marine or offshore applications. Another noteworthy impact of titanium in special steel alloys is its ability to enhance heat resistance. Titanium boasts a high melting point and exceptional thermal stability, making steel alloys containing titanium suitable for high-temperature applications. This characteristic holds particular significance in industries like power generation, where steel components must withstand extreme temperatures without compromising their structural integrity. Furthermore, titanium greatly improves the weldability of steel alloys. Acting as a deoxidizer, it reduces the presence of impurities and enhances the quality of welds. This attribute proves highly advantageous in manufacturing processes involving welding, as it guarantees strong and reliable joints. In summary, the influence of titanium on special steel alloys is multifaceted and highly advantageous. It bolsters the strength, durability, and corrosion resistance of steel, while simultaneously improving its heat resistance and weldability. These properties render titanium an invaluable element in the production of high-performance steel alloys for a wide array of industries.
- Q:What are the different coating options available for special steel?
- Some of the different coating options available for special steel include galvanizing, powder coating, electroplating, and organic coatings such as epoxy or polyurethane. These coatings provide protection against corrosion, enhance durability, and improve the aesthetics of the steel.
- Q:How is special steel used in the chemical industry?
- Special steel is used in the chemical industry for various applications due to its exceptional corrosion resistance, high temperature strength, and durability. It is commonly used to manufacture equipment such as pressure vessels, storage tanks, pipelines, and reactors that handle corrosive substances or operate under extreme conditions. Additionally, special steel alloys are utilized in the production of catalysts, valves, and pumps, ensuring reliable and efficient performance in chemical processes.
- Q:What are the main alloying elements used in special steel?
- The main alloying elements used in special steel can vary depending on the specific type of special steel, but common alloying elements include chromium, nickel, molybdenum, vanadium, and tungsten. These elements are added to enhance the steel's properties such as corrosion resistance, strength, hardness, and heat resistance.
- Q:How does special steel perform in terms of magnetic properties?
- Special steel can exhibit a wide range of magnetic properties depending on its composition and processing. Some special steels, such as stainless steel, are generally non-magnetic or have very low magnetic permeability. However, certain types of special steel, such as tool steel or high-speed steel, can be engineered to possess magnetic properties suitable for specific applications, such as magnetic tools or electrical transformers. Overall, the magnetic properties of special steel can be tailored to meet the desired requirements for different applications.
- Q:How does special steel perform in high-pressure environments?
- Special steel performs exceptionally well in high-pressure environments due to its high tensile strength, excellent corrosion resistance, and ability to withstand extreme temperatures. Its superior mechanical properties make it highly suitable for applications such as oil and gas pipelines, pressure vessels, and offshore drilling equipment, where it can effectively handle the intense pressures and maintain structural integrity even under harsh conditions.
- Q:What are the different methods for improving the fatigue strength of special steel?
- There are several methods for improving the fatigue strength of special steel. 1. Heat treatment: One of the most common methods is through heat treatment processes such as annealing, quenching, and tempering. These processes help to refine the microstructure of the steel, reducing the presence of impurities, and improving its fatigue resistance. 2. Surface treatment: Surface treatments like shot peening and nitriding can enhance the fatigue strength of special steel. Shot peening involves bombarding the surface of the steel with tiny metal particles, inducing compression stress in the material, which helps to prevent crack initiation and propagation. Nitriding involves diffusing nitrogen into the surface layer of the steel, forming a hard and wear-resistant nitride layer that enhances the fatigue resistance. 3. Alloying: Alloying special steel with certain elements can significantly improve its fatigue strength. For example, adding chromium, molybdenum, or vanadium can enhance the steel's hardenability and resistance to fatigue. These alloying elements form carbides or nitrides, which act as barriers to crack propagation. 4. Surface coatings: Applying protective coatings like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD) can help improve the fatigue strength. These coatings provide a barrier against environmental factors that may lead to corrosion or surface damage, ultimately enhancing the fatigue life of the steel. 5. Grain refinement: By refining the grain size of the steel through processes like severe plastic deformation or equal channel angular pressing (ECAP), the fatigue strength can be improved. Fine-grained steels have a higher resistance to crack initiation and propagation, resulting in enhanced fatigue properties. 6. Residual stress management: Controlling and managing residual stresses in the steel can improve its fatigue strength. Techniques like stress relieving or shot peening can help to reduce tensile residual stresses, which are detrimental to fatigue resistance. It is important to note that the selection of the most appropriate method for improving fatigue strength depends on the specific requirements, the type of special steel, and the intended application of the material.
- Q:How is leaded steel used in machining operations?
- Leaded steel is commonly used in machining operations as it improves the machinability of the steel by reducing friction and cutting forces. The addition of lead in the steel composition allows for smoother and more efficient cutting, resulting in better surface finish and dimensional accuracy of machined parts.
- Q:How does special steel perform in extreme weather conditions?
- Special steel is specifically designed to perform well in extreme weather conditions. It has high resistance to corrosion, making it suitable for use in harsh environments, such as extreme cold or hot temperatures, high humidity, or exposure to saltwater. Special steel also has excellent strength and toughness, enabling it to withstand heavy loads, impact, and vibrations. Overall, special steel exhibits superior performance and durability in extreme weather conditions, making it an ideal choice for various applications, including construction, marine, and aerospace industries.
- Q:How does special steel perform in cryogenic wear resistance?
- Special steel is known for its exceptional performance in cryogenic wear resistance. When exposed to extremely low temperatures, special steel maintains its strength, hardness, and durability, making it highly resistant to wear and friction. This is particularly important in applications that involve cryogenic environments, such as in the aerospace industry or in the production of superconductors. The unique composition and processing of special steel enable it to withstand the challenges posed by cryogenic conditions. It exhibits excellent toughness, ensuring that it does not become brittle or prone to cracking at low temperatures. Additionally, the steel's microstructure remains stable, preventing any significant changes in its mechanical properties when subjected to extreme cold. Furthermore, special steel is often treated with various surface coatings or heat treatments to enhance its wear resistance even further. These treatments create a protective layer or modify the steel's microstructure, reducing the likelihood of wear and extending its service life in cryogenic environments. In summary, special steel excels in cryogenic wear resistance due to its ability to maintain strength, hardness, and durability at extremely low temperatures. Its exceptional toughness, stable microstructure, and potential for surface treatments make it a preferred choice for applications that require reliable performance in cryogenic conditions.
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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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