Wholesale AISI 420 Medium Carbon Special Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Item specifice
Type:
Carbon Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Thickness:
as required
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Length:
as required
Net Weight:
as required
Specifications
1.ISO9001:2008 certificate
2.Competive price and Best quality
3.On-time delivery
Chemical Composition(GB)%
| C | Si | Mn | Cr | P | S |
| 0.4 | 0.5 | 0.7 | 13 | ≤0.030 | ≤0.030 |
Standard
| GB | ASTM | DIN | JIS |
| 4Cr13 | 4.2 | 1.2083 | 420J2 |
Available Size
| Rolled plate | 12-120mm*720mm*6000mm | ||
| Module | 130-400mm*1000mm*6000mm | ||
Heat Treatment
| Processing | Temperature ℃ | Hardness |
| Anneal | 750-800 | ≤235HB |
| Quenching | 1050-1100 | ≥50HRC |
| Tempering | 200-300 | ≥50HRC |
Characterstics
| 1.High corrosion resistance and mirror performance | |||||
| 2.Higher strength and abrasion resistance |
Applications:Suitable for precise dies with super mirror performance and abrasion resistance,camera components,optical lens 420J2 STEEL
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
We provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q:What are the different methods for electroplating special steel?
- There are several methods for electroplating special steel, depending on the specific requirements and desired outcome. Here are some of the different methods commonly used in electroplating special steel: 1. Electroless Nickel Plating: This method involves the use of a chemical reaction to deposit a layer of nickel onto the steel surface. It is a popular choice for achieving uniform and corrosion-resistant coatings on special steel. 2. Zinc Plating: Zinc plating is widely used to provide a protective layer on special steel. It involves the immersion of the steel in a zinc solution and passing an electric current to facilitate the deposition of zinc onto the surface. 3. Copper Plating: Copper plating is used to enhance the conductivity and corrosion resistance of special steel. It involves immersing the steel in a copper sulfate solution and applying an electric current to deposit a layer of copper onto the surface. 4. Chromium Plating: Chromium plating is a common method used to provide a decorative, corrosion-resistant, and hard-wearing surface on special steel. It involves the immersion of the steel in a chromium bath and the application of an electric current to deposit a layer of chromium onto the surface. 5. Electroplating with Precious Metals: Special steel can also be electroplated with precious metals such as gold, silver, or platinum for decorative or functional purposes. These coatings are often used to enhance the appearance, conductivity, or corrosion resistance of the steel. 6. Electroplating with Alloy Coatings: For specific applications, special steel can be electroplated with alloy coatings, such as tin-zinc or tin-lead, to provide unique properties such as enhanced solderability or improved wear resistance. It is important to note that the choice of electroplating method depends on factors such as the desired properties, the intended application, and the specific requirements of the special steel being plated. Each method has its advantages and limitations, and it is recommended to consult with experts in the field to determine the most suitable method for electroplating special steel in a given scenario.
- Q:How does free-cutting steel improve machinability?
- Free-cutting steel improves machinability by containing additional elements, such as sulfur, lead, or phosphorus, which help to break the chips and aid in chip removal during the machining process. These elements act as lubricants, reducing friction and heat generation, which results in improved surface finish and reduced tool wear.
- Q:How does special steel contribute to the infrastructure sector?
- Special steel plays a crucial role in the infrastructure sector by contributing to the construction and maintenance of various structures. It is widely used in the sector due to its exceptional strength, durability, and resistance to wear and tear. One of the key areas where special steel makes a significant contribution is in the construction of bridges. Bridges are subjected to heavy loads, extreme weather conditions, and constant vibrations, making the use of high-quality steel essential. Special steel, such as high-strength low-alloy (HSLA) steel or weathering steel, provides the necessary strength and corrosion resistance to ensure the longevity and safety of bridges. Moreover, special steel is also extensively utilized in the construction of high-rise buildings and skyscrapers. These structures require steel that can withstand tremendous loads and provide stability. Special steel grades, such as high-strength steel or structural steel, offer the necessary strength-to-weight ratio, allowing architects and engineers to design taller and more robust structures. In addition to its usage in construction, special steel also contributes to the infrastructure sector through its application in manufacturing equipment and machinery used for construction and maintenance activities. It is used in the production of heavy machinery, cranes, excavators, and other construction equipment, providing the necessary strength and reliability to withstand the demanding conditions of the sector. Furthermore, special steel is crucial in the development of transportation infrastructure. It is used in the manufacturing of railway tracks, ensuring their durability and resistance to wear caused by the continuous movement of trains. Additionally, it is used in the production of reinforcing bars for concrete in road construction, providing the necessary strength and stability to withstand heavy traffic loads. Overall, special steel's exceptional properties make it an indispensable material in the infrastructure sector. Its strength, durability, and resistance to corrosion contribute to the construction and maintenance of various structures, ensuring their longevity, safety, and reliability.
- Q:How does special steel perform in high-frequency applications?
- Special steel, also known as high-speed steel (HSS), performs exceptionally well in high-frequency applications. This type of steel is specifically designed to withstand the extreme heat and stress generated in high-speed machining operations. The unique composition of special steel, which typically includes elements such as tungsten, molybdenum, cobalt, and vanadium, provides it with remarkable hardness, toughness, and wear resistance. These properties make it highly suitable for use in high-frequency applications where the material is subjected to rapid cutting speeds and frequent abrasion. Due to its excellent hardness, special steel can maintain its cutting edge even at elevated temperatures, ensuring superior performance in high-frequency applications. It exhibits minimal deformation or loss of cutting efficiency, which results in improved productivity and extended tool life. Moreover, its exceptional wear resistance allows it to withstand the constant friction and heat generated during high-speed machining operations, preventing premature tool failure. Furthermore, special steel possesses excellent thermal conductivity, which helps dissipate the heat generated during high-frequency applications. This feature is crucial for maintaining dimensional stability and preventing the material from warping or distorting under extreme temperatures. As a result, special steel tools can maintain their precision and accuracy even during prolonged high-frequency operations. In summary, special steel is highly effective in high-frequency applications due to its exceptional hardness, toughness, wear resistance, and thermal conductivity. Its ability to withstand extreme heat and stress, while maintaining cutting performance and dimensional stability, makes it the preferred choice for industries such as aerospace, automotive, and manufacturing where high-speed machining is essential.
- Q:What are the main applications of special steel in the defense vehicles?
- Special steel is used in defense vehicles for various critical applications. It is particularly important in the manufacturing of armor plates, which provide protection to military vehicles against ballistic threats. Special steel is also used in the production of components like suspension systems, axles, and chassis, ensuring durability and strength in harsh conditions. Additionally, it is utilized in the construction of weapon systems, such as missile launchers and gun barrels, due to its high tensile strength and resistance to extreme temperatures. Overall, special steel plays a crucial role in enhancing the performance and survivability of defense vehicles.
- Q:Can special steel be heat treated?
- Yes, special steel can be heat treated. Heat treatment is a common method used to modify the properties of steel, including improving its hardness, toughness, and strength. Special steels, which have specific alloying elements added to enhance their performance in certain applications, can also undergo heat treatment to optimize their properties for specific purposes.
- Q:How does special steel contribute to reducing product defects?
- Special steel contributes to reducing product defects by offering superior strength, durability, and corrosion resistance compared to regular steel. This ensures that the components made from special steel are less prone to breakage, wear and tear, or damage during manufacturing, transportation, or usage. Special steel's high-quality characteristics provide a more reliable and consistent performance, resulting in fewer product defects and improved overall product quality.
- Q:How does special steel contribute to the agricultural sector?
- The agricultural sector benefits greatly from the use of special steel in multiple ways. Firstly, special steel's strength and durability make it an ideal material for manufacturing various agricultural machinery and equipment. Tractors, plows, harvesters, and irrigation systems, among others, all require sturdy and reliable components. Special steel provides the necessary strength and resistance to wear and tear, enabling these machines to withstand the demanding conditions of agricultural work. In addition, special steel is perfect for producing high-quality cutting tools that are essential in farming operations. Sickles, scythes, and pruning shears, for example, need to have sharp and durable blades for efficient vegetation cutting. Special steel's hardness and strength make it a suitable material for manufacturing such tools, ensuring they maintain their sharpness even with prolonged use. Moreover, special steel contributes to the agricultural sector by enabling the construction of strong and durable infrastructure. Agricultural buildings, storage facilities, and fencing often require materials that can withstand the elements and protect crops, livestock, and equipment. Special steel, with its resistance to rust and structural integrity, can be used in the construction of barns, silos, sheds, and fencing, providing long-lasting and reliable structures. In summary, special steel plays a vital role in the agricultural sector by providing the necessary strength, durability, and corrosion resistance for the manufacturing of machinery, cutting tools, and infrastructure. These properties enhance efficiency, productivity, and reliability in agricultural operations, ultimately benefiting farmers and the overall agricultural industry.
- Q:What are the main characteristics of pressure vessel steel?
- Pressure vessel steel is a specific type of steel that is designed and manufactured to withstand high-pressure environments. It possesses several distinct characteristics that make it suitable for such applications. Firstly, pressure vessel steel has excellent strength and toughness properties. It is able to withstand the internal pressure exerted on it without deforming or rupturing, ensuring the safety and integrity of the vessel. This high strength is achieved through careful alloying and heat treatment processes that enhance its mechanical properties. Secondly, pressure vessel steel exhibits good weldability. This is crucial as pressure vessels often require various components to be joined together. The ability to weld the steel without compromising its structural integrity is essential for the fabrication and maintenance of pressure vessels. Additionally, pressure vessel steel is known for its high corrosion resistance. The steel is typically alloyed with elements such as chromium, molybdenum, and nickel, which provide a protective barrier against corrosive substances and environments. This is vital in preventing the degradation of the vessel and ensuring its long-term durability. Furthermore, pressure vessel steel is characterized by its ability to withstand a wide range of temperatures. It can maintain its strength and toughness even in extreme temperature conditions, making it suitable for applications where the vessel is subjected to high or low temperatures. Lastly, pressure vessel steel is subjected to rigorous testing and quality control measures to ensure its reliability and safety. It must meet specific standards and certifications, such as those established by organizations like the American Society of Mechanical Engineers (ASME), to be deemed suitable for pressure vessel applications. Overall, the main characteristics of pressure vessel steel include high strength and toughness, good weldability, corrosion resistance, temperature resistance, and adherence to strict quality standards. These properties make it an ideal material for the construction of pressure vessels, which are used in various industries such as oil and gas, chemical processing, and power generation.
- Q:How does special steel contribute to the aerospace fuel efficiency?
- Special steel contributes to aerospace fuel efficiency in several ways. Firstly, it is used in the construction of lightweight yet strong components, such as engine parts and airframe structures. By reducing the weight of these parts, the overall weight of the aircraft is decreased, resulting in reduced fuel consumption. Additionally, special steel alloys can withstand high temperatures and pressures, allowing engines to operate more efficiently. This improves the engine's performance, leading to increased fuel efficiency. Overall, the use of special steel in aerospace applications plays a crucial role in enhancing fuel efficiency and reducing environmental impact.
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Wholesale AISI 420 Medium Carbon Special Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 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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