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 non-destructive testing methods used for special steel?
- Special steel can be evaluated for flaws or defects using various non-destructive testing (NDT) methods. These techniques are designed to identify issues in the material without causing any harm. Ultrasonic testing is a prevalent NDT method for special steel. It involves transmitting high-frequency sound waves through the steel and analyzing the reflected echoes. By measuring the time it takes for the sound waves to travel through the steel and return, technicians can determine the material's thickness, density, and internal structure. This method is highly effective in detecting cracks, voids, or inclusions in the steel. Magnetic particle testing is another commonly used NDT method for special steel. It requires applying a magnetic field to the steel's surface and coating it with magnetic powder. Any irregularities or defects in the steel will result in magnetic flux leakage, causing the magnetic particles to cluster and create visible indications. This technique is particularly useful in identifying surface cracks or discontinuities. Liquid penetrant testing is frequently employed for NDT of special steel. It entails applying a liquid dye or fluorescent substance to the steel's surface. The dye penetrates any surface cracks or defects, and after a specified time, excess dye is removed. A developer is then used to draw out the dye from any flaws, making them visible under UV light. This method effectively detects surface discontinuities and is commonly utilized in the aerospace and automotive industries. Radiographic testing is another NDT method applicable to special steel. This procedure involves exposing the steel to X-rays or gamma rays and capturing the resulting image on film or a digital detector. Technicians can analyze the radiographic image to identify internal flaws like cracks, voids, or inclusions in the steel. This method is particularly advantageous for thicker sections of steel or situations where accessing the material is challenging. In conclusion, non-destructive testing methods, including ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing, are frequently employed for special steel. These methods ensure the detection of flaws or defects without causing any damage to the material, thereby ensuring its integrity and reliability.
- Q: What are the applications of special steel in the railway industry?
- Special steel has several important applications in the railway industry. It is commonly used for manufacturing railway tracks, as it possesses high strength and durability, ensuring the tracks can withstand heavy loads and frequent use. Additionally, special steel is employed in the construction of railway bridges and tunnels, offering excellent resistance to corrosion and extreme weather conditions. Moreover, special steel is utilized in the production of railway components such as wheels, axles, and couplers, ensuring optimal performance, safety, and longevity of the railway system.
- Q: How does special steel perform in chemical resistance applications?
- Special steel is known for its exceptional performance in chemical resistance applications. Its composition and properties make it highly resistant to corrosion and damage caused by exposure to various chemicals. Special steel is made using alloys that contain elements like chromium, nickel, and molybdenum, which provide excellent resistance to acids, alkalis, and other corrosive substances. In chemical resistance applications, special steel offers several advantages. Firstly, it exhibits high resistance to pitting corrosion, which is the localized corrosion that occurs on the surface of metals. This makes it suitable for use in environments where chemicals can cause damage to the metal surface. Secondly, special steel has excellent resistance to crevice corrosion, which is the corrosion that occurs in confined spaces or gaps between metal surfaces. This property is particularly beneficial in chemical processing equipment, where tight joints and connections are common. Furthermore, special steel maintains its mechanical strength and integrity in harsh chemical environments. It can withstand high temperatures, pressure, and exposure to aggressive chemicals without compromising its structural integrity. This makes it extremely reliable and durable, ensuring a longer service life and reduced maintenance costs. Overall, special steel's exceptional chemical resistance properties make it a preferred choice for a wide range of applications. Whether it is used in chemical processing plants, pharmaceutical industries, or oil and gas refineries, special steel provides the necessary protection against corrosion and damage caused by chemicals. Its ability to withstand harsh environments and maintain its performance over time makes it an ideal material for chemical resistance applications.
- Q: What are the different stamping grades of special steel?
- Various industries utilize different grades of special steel for stamping purposes. Some commonly used stamping grades are as follows: 1. Low Carbon Steel: This special steel grade is renowned for its exceptional formability and weldability. It finds extensive use in applications necessitating deep drawing or intricate bending. Moreover, low carbon steel is both cost-effective and readily available, making it a highly preferred choice for stamping processes. 2. High Strength Low Alloy (HSLA) Steel: HSLA steel, a type of special steel, incorporates small amounts of alloying elements like copper, nickel, or chromium. This grade offers superior strength and enhanced toughness compared to low carbon steel. It is commonly employed in automotive components, structural parts, and other applications demanding strength and durability. 3. Stainless Steel: Stainless steel is a corrosion-resistant special steel comprising a minimum of 10.5% chromium. It is frequently employed in stamping applications that require resistance against rust, staining, and corrosion. Stainless steel is available in various grades, such as 304, 316, and 430, each offering distinct levels of corrosion resistance and mechanical properties. 4. Tool Steel: Tool steel, a high-quality special steel, is specifically designed for applications necessitating resistance to wear, deformation, and high temperatures. It is commonly used in stamping dies, cutting tools, and other applications where hardness and toughness are vital. Notable tool steel grades include D2, A2, O1, and M2, among others. 5. Electrical Steel: Electrical steel, also known as silicon steel, is a special grade characterized by high magnetic permeability and low electrical conductivity. It finds application in stamping operations requiring efficient magnetic properties, such as transformers, motors, and generators. The aforementioned examples represent only a fraction of the stamping grades available in special steel. The selection of each grade depends on the specific requirements of the application, such as strength, corrosion resistance, magnetic properties, or formability.
- Q: How does special steel contribute to reducing product waste?
- Special steel contributes to reducing product waste by offering superior strength, durability, and corrosion resistance. This allows manufacturers to produce longer-lasting and more reliable products, minimizing the need for frequent replacements. Additionally, special steel's high precision and customization capabilities enable the creation of components with tight tolerances, reducing the risk of assembly errors and subsequent product failures. Consequently, special steel helps optimize product performance and longevity, thereby reducing waste generated from premature product disposal.
- Q: How does special steel perform in marine applications?
- Special steel performs exceptionally well in marine applications due to its excellent corrosion resistance and high strength. The steel is specifically designed to withstand harsh marine environments, such as saltwater, which can cause corrosion and deterioration in other materials. Its resistance to corrosion ensures durability and longevity, making it an ideal choice for various marine components and structures, including ships, offshore platforms, and underwater equipment. Additionally, the high strength of special steel enhances the structural integrity and load-bearing capacity of marine applications, providing superior performance and safety in challenging conditions.
- 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 high strength and durability properties, which are essential for supporting the weight of the vehicle and providing a smooth ride. The special steel's unique composition and manufacturing processes ensure that the springs can withstand repeated stress and maintain their shape over time, enhancing the overall performance and safety of the vehicle.
- Q: What are the different international trade regulations for special steel?
- There are several international trade regulations that apply to special steel, which is a type of steel that is produced for specific applications or industries. These regulations aim to ensure fair trade practices, protect domestic industries, and promote safety standards. One of the primary international trade regulations for special steel is the World Trade Organization (WTO) agreements. The WTO sets rules for global trade, including the General Agreement on Tariffs and Trade (GATT) and the Agreement on Safeguards. These agreements govern issues such as tariffs, non-tariff barriers, and safeguard measures that may be imposed on special steel imports. Another significant regulation is the Harmonized System (HS) codes. HS codes are a standardized system of names and numbers used to classify traded products. Special steel is assigned specific HS codes, which help customs authorities determine the applicable duties and regulations for these products during import or export. Additionally, regional trade agreements (RTAs) play a role in regulating international trade in special steel. RTAs are agreements between countries or regions that reduce trade barriers and promote economic integration. Examples include the North American Free Trade Agreement (NAFTA), the European Union (EU), and the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). These agreements may include provisions related to tariffs, technical standards, and trade facilitation for special steel. Furthermore, some countries may impose specific regulations on the import or export of special steel. These regulations could include licensing requirements, quality standards, safety certifications, or restrictions on certain types of steel. It is essential for businesses involved in the trade of special steel to be aware of these country-specific regulations to ensure compliance. Overall, international trade regulations for special steel encompass a range of agreements, codes, and country-specific rules. Adhering to these regulations is crucial for companies engaged in the global trade of special steel to ensure compliance, avoid penalties, and maintain fair trade practices.
- Q: How are copper alloys used in electrical applications?
- Copper alloys are widely used in electrical applications due to their excellent conductivity and corrosion resistance. They are used to manufacture electrical wires, connectors, and busbars, ensuring efficient transmission of electricity. Additionally, copper alloys are utilized for electrical contacts and switches, as they provide good wear resistance and high electrical and thermal conductivity.
- Q: What are the different methods for case hardening special steel?
- There are several different methods for case hardening special steel, each with its own advantages and applications. 1. Carburizing: This method involves heating the steel in a carbon-rich environment at high temperatures. Carbon atoms diffuse into the surface of the steel, forming a hard and wear-resistant outer layer. Carburizing can be done through various techniques such as gas carburizing, pack carburizing, or liquid carburizing. 2. Nitriding: Nitriding is a process where the steel is heated in a nitrogen-rich environment. Nitrogen atoms diffuse into the surface of the steel, forming a hard and corrosion-resistant layer. This process is mainly used for steels with high alloy content. 3. Induction hardening: Induction hardening utilizes induction heating to selectively heat the surface of the steel. Once heated, a quenching process rapidly cools the surface, resulting in a hard layer. Induction hardening is ideal for parts that require localized hardening, such as gears or shafts. 4. Flame hardening: Flame hardening involves heating the surface of the steel with a high-temperature flame and then rapidly cooling it. This method is commonly used for large parts or components that cannot be easily treated with other methods. 5. Laser hardening: Laser hardening is a precise and localized method that uses a laser beam to heat and harden specific areas of the steel. This technique is highly controlled and allows for precise control over the hardened layer depth and hardness. Each method has its own advantages and limitations, and the choice of case hardening method depends on factors such as the desired hardness, the size and shape of the part, and the specific requirements of the application.
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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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