• C22 Carbon Steel Bar from CNBM 16mm-300mm System 1
  • C22 Carbon Steel Bar from CNBM 16mm-300mm System 2
C22 Carbon Steel Bar from CNBM 16mm-300mm

C22 Carbon Steel Bar from CNBM 16mm-300mm

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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

C22 Carbon Steel Bar from CNBM 16mm-300mm

 

Product descripition:

1: Dia: 100-1200mm;

2: Length: 3000-12000mm

3: Delivery condition:Hot forged, black surface/Peeled/Turned.

4: Delivery date: 30-45 days.

5: MOQ: 20tons.

6: Payment term: 30% in advance, 70% before shipment.

7: UT test standard: Sep 1921-84 c/c.

8: Application: Statically and dynamically stressed components for vehicles, engines and machines, for parts of larger cross-section, crankshaft and gears.

 

 Chemical Composition:

GrateCSi ≤MnP ≤S ≤Cr ≤Mo ≤Ni ≤
C220.17-0.240.400.40-0.700.0450.0450.40.10.4

 

Advantage:

1.More than 20 years experience in special steel

 

2.Professional manufacturer and trading combination 

 

3.Most  products are in stock, and MOQ is 1 metric ton

 

4.Reliable quality & competitive price & excellente service

 

5.Inquiry will be replied in 24 hours

 

Application:

High-quality carbon structural steel/S20C/ 1020/ 20 S20C structural carbon steel bar /1020 /20 can be used to be manufactured medium or small carburization or nitrocarburizing parts and press forging parts, such as lever shaft, selector fork of speed changing box, gear, heavy mechanical lever and shackle, etc.

 

Product Show:

C22 Carbon Steel Bar from CNBM 16mm-300mm

C22 Carbon Steel Bar from CNBM 16mm-300mm

C22 Carbon Steel Bar from CNBM 16mm-300mm

Q:What are the different magnetic grades of special steel?
The different magnetic grades of special steel include ferritic, martensitic, austenitic, and duplex stainless steels.
Q:How does special steel contribute to the ductility of products?
Special steel contributes to the ductility of products through its unique composition and manufacturing processes. Ductility refers to a material's ability to deform under stress without fracturing or breaking. In the case of special steel, its composition includes certain alloying elements that enhance its ductility. One way special steel contributes to ductility is by reducing the presence of impurities. Special steel is produced with strict quality control measures, ensuring that impurities such as sulfur and phosphorus are kept at low levels. These impurities can cause brittleness in steel, reducing its ductility. By minimizing their presence, special steel maintains its ductile properties, allowing it to deform without failure. Furthermore, special steel often contains specific alloying elements like nickel, chromium, and molybdenum. These alloying elements play a crucial role in enhancing ductility. For instance, nickel improves the toughness and ductility of steel by increasing its ability to absorb energy before fracture. Chromium, on the other hand, enhances resistance to corrosion and oxidation, thereby preserving the ductility of the steel. The manufacturing processes used to produce special steel also contribute to its ductility. Precise temperature control during the heat treatment of special steel can optimize the microstructure, resulting in improved ductility. Additionally, special steel can undergo various forming processes, such as hot or cold rolling, which further refine its microstructure and enhance its ductility. Overall, special steel's unique composition, low impurity levels, and specific alloying elements, combined with precise manufacturing processes, contribute significantly to its ductility. This makes it an excellent choice for products that require deformation without failure, such as automotive components, machinery parts, and structural applications.
Q:Are there any disadvantages of using special steel?
There are several disadvantages associated with the use of special steel. To begin with, special steel tends to be more expensive compared to regular steel. This is primarily due to the additional alloying elements and heat treatments involved in its production, which contribute to the higher cost. As a result, it may not be the most cost-effective option for applications where cost is a major factor. Furthermore, special steel may have limited availability in comparison to regular steel. It is often produced in smaller quantities and may only be obtainable from specific suppliers. This can lead to longer lead times and difficulties in sourcing the required amount of special steel, particularly for large-scale projects. Additionally, the increased complexity of working with special steel can pose challenges. It may require specialized knowledge, skills, and equipment for handling and processing. If the necessary expertise or resources are not readily available, this can result in higher manufacturing costs and potential delays in production. Moreover, some special steel grades with high strength and hardness can be more prone to brittleness. This means they may be susceptible to cracking or breaking under certain conditions, especially when exposed to extreme temperatures or sudden impact loads. This limitation can be a disadvantage in applications that require high toughness or resistance to fracture. Lastly, special steel may have limited applications due to its specific properties. While it offers advantages such as corrosion resistance, high temperature resistance, or improved mechanical properties, these benefits may not be relevant or necessary for every application. Consequently, using special steel in such cases may incur unnecessary expenses without any tangible benefits. In conclusion, special steel has its drawbacks, including higher costs, limited availability, increased complexity, potential brittleness, and limited applicability. Therefore, it is crucial to carefully consider the specific requirements of a project before opting for special steel.
Q:What is the role of carbon in special steel?
Special steel relies on carbon to significantly impact its properties and performance. This type of steel is specifically engineered to showcase exceptional characteristics like high strength, hardness, wear resistance, and corrosion resistance. Carbon is a key alloying element in special steel, and its content dictates many of these desired properties. To begin, carbon is responsible for enhancing the strength and hardness of special steel. When carbon is introduced into the iron matrix, it forms iron carbides, which are exceptionally hard and provide structural integrity to the steel. The higher the carbon content, the greater the steel's hardness and strength. Consequently, special steel is well-suited for applications that demand high toughness, durability, and resistance to deformation, such as the manufacturing of tools, dies, and industrial machinery components. Additionally, carbon contributes to the wear resistance of special steel. The presence of carbon enhances the steel's ability to withstand abrasion and endure extreme conditions. This is especially important in industries like mining, construction, and oil and gas, where components face intense wear and friction. Moreover, carbon plays a crucial role in determining the machinability and weldability of special steel. The carbon content influences how the steel responds to heat treatment, affecting its ease or difficulty of machining and welding. Striking the right balance of carbon content is essential to ensure that special steel can be easily worked on and fabricated into complex shapes without compromising its properties. Lastly, carbon influences the corrosion resistance of special steel. Although steel is generally susceptible to corrosion, the addition of specific amounts of carbon can enhance its resistance to rusting and other forms of corrosion. This is particularly important in applications where the steel is exposed to harsh environments, such as in the marine or chemical industries. In conclusion, carbon plays a vital role in special steel by enhancing its strength, hardness, wear resistance, machinability, weldability, and corrosion resistance. The precise amount of carbon added to the steel is carefully controlled to achieve the desired properties for specific applications. This versatility and sought-after nature make special steel a highly valued material across various industries.
Q:What are the challenges faced in the manufacturing process of special steel?
There are several challenges faced in the manufacturing process of special steel. Firstly, the raw materials used in special steel production, such as alloying elements, need to be carefully selected and sourced to ensure high quality and desired properties. Secondly, the melting and casting process requires precise control of temperatures and cooling rates to prevent defects and achieve uniformity. Thirdly, achieving the desired composition and microstructure through heat treatment can be complex and time-consuming. Additionally, maintaining consistent quality throughout the entire production process can be a challenge, as any variation in parameters can result in variations in the final product. Finally, ensuring compliance with stringent industry standards and regulations adds another layer of complexity to the manufacturing process of special steel.
Q:What are the different marine grades of special steel?
Marine environments pose severe challenges, necessitating the use of specialized steel grades. These grades are classified based on their corrosion resistance and mechanical properties. 316 stainless steel is a widely employed marine grade. It contains higher proportions of molybdenum and nickel, enhancing its resistance to corrosion from saltwater and other harsh chemicals. This grade finds utility in marine hardware, including bolts, nuts, and screws, as well as marine structures and equipment. 2205 duplex stainless steel is another marine grade that surpasses 316 stainless steel in terms of strength and corrosion resistance. It is preferred for marine applications requiring durability and high strength, such as propeller shafts, offshore structures, and pressure vessels. 5083 aluminum-magnesium alloy is commonly employed in marine applications where weight is a concern. This special steel grade offers exceptional corrosion resistance and strength, making it suitable for boat hulls, superstructures, and lightweight marine components. Moreover, a range of high-strength low-alloy (HSLA) steels are utilized in marine applications. These steels are specifically engineered to deliver superior strength, toughness, and corrosion resistance. They find widespread use in shipbuilding, offshore drilling rigs, and other marine structures that demand durability and strength. In conclusion, the diverse marine grades of special steel present a wide array of options for various marine applications. The selection of a particular grade depends on project-specific requirements, including corrosion resistance, strength, and weight considerations.
Q:What are the different classifications of special steel?
Various types of steel alloys fall under the category of special steel, each possessing unique properties and characteristics that make them suitable for specific applications. Special steel can be classified into several categories: 1. Stainless Steel: This special steel contains a high percentage of chromium, which provides excellent corrosion resistance. It also typically includes elements like nickel and molybdenum, enhancing its strength and durability. Stainless steel finds common use in applications requiring resistance to oxidation, heat, chemicals, and wear, such as in food processing, medical devices, and construction. 2. Tool Steel: Specifically designed for manufacturing tools, dies, and molds, tool steel is known for its exceptional hardness, wear resistance, and toughness. Tool steel is further categorized into subcategories like high-speed steel (HSS), cold work steel, hot work steel, and plastic mold steel, each tailored for specific tooling applications. 3. Alloy Steel: This type of special steel contains additional alloying elements besides carbon. These elements, like manganese, silicon, nickel, chromium, and molybdenum, are added to enhance specific properties such as strength, toughness, hardenability, and corrosion resistance. Alloy steels are used in various applications, including automotive components, machinery, construction, and aerospace. 4. Spring Steel: Specifically designed to withstand repeated bending or twisting without permanent deformation, spring steel possesses excellent elasticity and fatigue resistance. It finds applications in springs, suspension systems, and high-performance automotive parts. 5. Bearing Steel: Bearing steel is engineered to provide high hardness, wear resistance, and dimensional stability necessary for manufacturing bearings. It typically contains high levels of carbon, chromium, and other alloying elements, ensuring the required mechanical properties for reliable and long-lasting bearings. 6. Electrical Steel: Also known as silicon steel, electrical steel is specifically designed for electrical applications. It possesses low electrical resistivity and high magnetic permeability, allowing efficient conduction and transformation of electrical energy. Electrical steel is commonly used in transformers, electric motors, and generators. These classifications of special steel emphasize the versatility and tailored properties of different steel alloys, enabling their application in a wide range of industries and specialized uses.
Q:What properties make special steel unique?
Special steel is unique due to its exceptional properties such as high strength, excellent corrosion resistance, superior heat resistance, and remarkable wear resistance. It possesses a combination of various alloying elements like chromium, nickel, molybdenum, and vanadium, which enhance its mechanical properties and make it suitable for a wide range of applications in industries such as automotive, aerospace, and construction. Additionally, special steel can be tailored through precise manufacturing processes to exhibit specific characteristics, making it a versatile and highly sought-after material.
Q:What are the physical properties of special steel?
Special steel is a type of steel that possesses unique physical properties compared to regular steel. These properties may vary depending on the specific composition and processing techniques used. However, some common physical properties of special steel include high strength, hardness, and durability. Special steel is often designed to withstand extreme conditions such as high temperatures, pressure, and corrosive environments. It may also exhibit excellent wear resistance, making it suitable for applications involving heavy machinery or cutting tools. Furthermore, special steel can have superior electrical and thermal conductivity, as well as good magnetic properties. Overall, the physical properties of special steel make it highly versatile and valuable in various industries such as automotive, aerospace, construction, and energy.
Q:How does the carbon content affect the properties of special steel?
The properties of special steel are determined by the carbon content, playing a crucial role. Adding carbon to the steel modifies its microstructure and influences various mechanical and physical properties. The main impact of carbon content is on the steel's hardness and strength. Raising the carbon content in special steel leads to an increase in hardness. This occurs because carbon atoms occupy the interstitial sites in the iron lattice, causing a distortion in the crystal structure. Consequently, the steel becomes more resistant to deformation. Additionally, a higher carbon content results in a greater martensitic transformation during heat treatment, further enhancing the material's hardness. Moreover, the strength of special steel is significantly affected by the carbon content. Increased carbon levels lead to greater strength due to the formation of stronger and more abundant carbide precipitates. These carbides act as obstacles to the movement of dislocations, making it more challenging for the steel to deform under load. However, it is important to acknowledge that higher carbon content comes with certain trade-offs. As the carbon content increases, the steel's ductility decreases. This means that the material becomes less capable of deforming without fracturing. High carbon content can make the steel brittle, reducing its toughness and impact resistance. In addition to hardness and strength, carbon content impacts other properties of special steel. It affects the material's wear resistance, as higher carbon content leads to the formation of harder carbides that can withstand wear and abrasion. Carbon also influences the steel's machinability, with higher carbon content making the material more difficult to machine due to increased hardness. In conclusion, the carbon content significantly influences the properties of special steel. It affects hardness, strength, ductility, toughness, wear resistance, and machinability. Therefore, when determining the appropriate carbon content for special steel, careful consideration of desired properties and application requirements is necessary.

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