Steel SCr440 Mild Carbon Steel 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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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
1.round steel
2.ISO9001:2008 certificate
3.Competive price and Best quality
4.On-time delivery
Chemical Composition(GB)%
| C | Si | Mn | Cr | Ni |
| 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≤0.30 |
Heat Treatment
| Item | Temperature ℃ | Hardness |
| Normalizing | 850-870 | 179-229HB |
Characterstics: Which has the best comprehensive mechanical properties
Applications
| 1.Can be used for drawing die and plastic mould | |||
| 2.Can be used for middle and small punch |
Product show：
Workshop show：
FAQ:
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
5, 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:How are cobalt-based alloys used in dental applications?
- Cobalt-based alloys are commonly used in dental applications due to their excellent mechanical properties, corrosion resistance, and biocompatibility. They are used in dental prosthetics, such as crowns, bridges, and dentures, as well as in dental implants. These alloys provide high strength and durability, ensuring long-lasting dental restorations. Additionally, their biocompatibility ensures that they do not cause any adverse reactions in the oral environment.
- Q:How does stainless steel contribute to the production of medical implants?
- Stainless steel contributes to the production of medical implants primarily due to its exceptional properties such as corrosion resistance, high strength, biocompatibility, and ease of sterilization. These qualities make stainless steel an ideal material for manufacturing various medical implants like joint replacements, bone plates, screws, and dental implants.
- Q:How does special steel contribute to the thermal conductivity of products?
- The unique composition and properties of special steel significantly enhance the thermal conductivity of products. By incorporating specific alloying elements like chromium, nickel, molybdenum, or vanadium, the thermal conductivity of special steel is improved. These alloying elements increase the free electron density within the steel, facilitating efficient heat transfer. The presence of alloying elements in special steel improves its lattice structure, enabling better heat transfer. The increased free electron density allows for quick and efficient movement of thermal energy through the material. Consequently, special steel effectively conducts heat from one area to another, making it suitable for applications requiring high thermal conductivity. Moreover, special steel undergoes advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure, reducing impurities and enhancing thermal conductivity. As a result, the resulting steel product exhibits improved heat transfer capabilities and offers efficient thermal management. The remarkable thermal conductivity of special steel makes it highly sought after in various industries and applications. It finds extensive use in manufacturing heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is commonly employed in electrical appliances such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. To sum up, special steel enhances the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques. Its high thermal conductivity makes it invaluable in various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.
- Q:Can special steel be used for making electronics components?
- Indeed, electronics components can be manufactured using special steel. This term refers to a particular type of steel that has been meticulously designed and fabricated to possess distinct properties and characteristics that render it suitable for a wide range of applications, including electronics. Within the realm of electronics manufacturing, special steel finds utility in the creation of various components such as connectors, springs, contacts, and other parts that necessitate exceptional strength, durability, and resistance to corrosion and wear. These attributes are vital in ensuring the dependable performance and long lifespan of electronic devices. Furthermore, special steel also offers remarkable thermal conductivity, electromagnetic shielding, and magnetic properties, which are critical in specific electronic applications. For instance, in the production of transformers, special steel laminations are employed to minimize energy loss and enhance efficiency. Moreover, special steel can be customized to meet the specific requirements of different electronic components. For example, certain grades of stainless steel can be utilized to fabricate components that must endure harsh environmental conditions or come into contact with corrosive substances. Overall, the utilization of special steel in electronics manufacturing presents a viable solution for producing components that can meet the exacting performance standards of contemporary electronic devices.
- Q:What are the main corrosion resistance properties of special steel?
- The main corrosion resistance properties of special steel include high resistance to rust, oxidation, and chemical attack. It can withstand harsh environments, such as exposure to saltwater, acids, and alkalis, without significant degradation. Additionally, special steel often possesses a passive oxide layer on its surface, which acts as a protective barrier against corrosion.
- Q:How does special steel contribute to the telecommunications industry?
- Special steel plays a crucial role in the telecommunications industry by providing the necessary strength, durability, and resistance to various environmental factors. In telecommunications, special steel is primarily used in the manufacturing of transmission towers, antenna systems, and other supporting structures. Transmission towers, for instance, are the backbone of the telecommunications network. They need to be able to withstand extreme weather conditions like strong winds, heavy precipitation, and even earthquakes. Special steel, with its high tensile strength and resistance to corrosion, ensures that these towers remain stable and operational under such challenging circumstances. Furthermore, special steel is also used in the construction of antenna systems. Antennas, whether for satellite communication or wireless networks, require materials that possess excellent electrical conductivity and low signal loss. Special steel alloys can meet these requirements, allowing for efficient signal transmission and reception. Moreover, special steel offers the advantage of being lightweight compared to other materials while maintaining its strength. This weight reduction is particularly beneficial when it comes to constructing structures that need to be installed at significant heights, such as telecommunication towers. By using special steel, telecommunications companies can achieve cost savings in both construction and transportation. Additionally, special steel's durability and resistance to corrosion make it ideal for long-term use in the telecommunications industry. These properties ensure that the structures and equipment made from special steel have an extended lifespan, reducing maintenance and replacement costs. This longevity also contributes to the overall reliability and stability of the telecommunications network. In summary, special steel's unique properties, including its strength, durability, resistance to environmental factors, and efficient signal transmission capabilities, make it an essential material in the telecommunications industry. By providing the necessary support and reliability, special steel contributes significantly to the seamless operation of communication networks, enabling efficient and reliable connectivity for individuals and businesses worldwide.
- Q:How does special steel contribute to the dimensional stability of products?
- Special steel contributes to the dimensional stability of products through its unique properties and characteristics. One of the key factors is its high level of hardness, which allows it to resist deformation or changes in shape and size under varying temperature and load conditions. This hardness ensures that the product maintains its intended dimensions and shape, even when subjected to external forces or thermal fluctuations. Moreover, special steel often possesses excellent thermal conductivity, enabling it to efficiently distribute and dissipate heat. This property helps prevent localized heating or cooling, which can cause dimensional changes in materials. By maintaining consistent temperatures across the product, special steel minimizes the risk of warping, expansion, or contraction, thereby ensuring dimensional stability. Another aspect that contributes to dimensional stability is the low coefficient of thermal expansion of special steel. This coefficient measures the amount of expansion or contraction a material undergoes in response to temperature changes. Special steel's low coefficient means it experiences minimal dimensional changes when exposed to temperature variations. This characteristic is particularly crucial in applications where precise tolerances and tight dimensional control are required, such as in aerospace or automotive industries. Furthermore, special steel often possesses enhanced corrosion resistance, which helps prevent rusting or degradation of the material over time. Corrosion can lead to changes in the shape and dimensions of products, compromising their dimensional stability. By using special steel, manufacturers can ensure that their products maintain their original dimensions and structural integrity, even in harsh or corrosive environments. Overall, the unique properties of special steel, such as high hardness, excellent thermal conductivity, low coefficient of thermal expansion, and corrosion resistance, all contribute to the dimensional stability of products. By incorporating special steel into the manufacturing process, companies can produce high-quality products that maintain their precise dimensions and shape, ensuring reliability and longevity for end-users.
- Q:What are the applications of special steel in the marine sector?
- Marine grade steel, also known as special steel, finds a wide range of applications in the marine sector. Shipbuilding is one key use of this steel in the industry, as its high resistance to corrosion makes it perfect for constructing ships and other marine vessels constantly exposed to harsh weather conditions and saltwater. Another significant application of special steel in the marine sector is for offshore structures. Materials used in offshore platforms like oil rigs and wind turbines need to withstand the harsh marine environment, including corrosion, high pressure, and extreme temperatures. Special steel's exceptional strength and durability make it the preferred choice for these structures. Furthermore, special steel is employed in the manufacturing of marine equipment and components. For instance, propeller shafts, anchor chains, and underwater pipelines often use special steel due to its excellent mechanical properties and corrosion resistance. Marine engines also rely on special steel to ensure reliable performance and longevity. Moreover, special steel is utilized in the construction of port infrastructure such as piers, docks, and harbor structures. These structures must endure constant exposure to seawater, heavy loads, and dynamic forces, making special steel an ideal material choice for their construction. In conclusion, special steel plays a vital role in the marine sector with its numerous applications. Its corrosion resistance, strength, and durability make it an essential material for shipbuilding, offshore structures, marine equipment, and port infrastructure. The utilization of special steel ensures the longevity and reliability of marine assets operating in harsh marine environments.
- Q:What are the common challenges in casting special steel?
- Casting special steel can pose several challenges due to its unique properties and composition. Some of the common challenges in casting special steel include: 1. High melting point: Special steels often have higher melting points compared to regular carbon steels. This requires the use of specialized equipment and techniques to achieve the required temperature for casting. 2. Alloying elements: Special steels often contain alloying elements such as chromium, nickel, molybdenum, or vanadium. These elements enhance the steel's properties but can also increase the complexity of the casting process. Proper control and understanding of the alloying elements are necessary to ensure the desired mechanical properties in the final product. 3. Oxidation and decarburization: During the casting process, special steel can be susceptible to oxidation and decarburization. The high temperatures and exposure to oxygen can result in surface defects and loss of carbon content, which can compromise the steel's strength and hardness. Careful control of the casting parameters, such as atmosphere and mold design, is necessary to minimize these issues. 4. Shrinkage and porosity: Special steels often have a higher shrinkage rate during solidification compared to regular steels. This can result in shrinkage defects and porosity within the castings. Proper gating and riser design, as well as the use of suitable feeding systems, are crucial to mitigate these issues and ensure sound castings. 5. Thermal stresses: Special steels may exhibit higher thermal expansion coefficients, which can lead to significant thermal stresses during the cooling and solidification process. These stresses can cause cracking and distortion in the castings. Proper design considerations, such as the use of chills or controlled cooling techniques, are essential to minimize thermal stress and maintain dimensional stability. 6. Machinability: Special steels, particularly those with high alloy content, can be challenging to machine due to their hardness and toughness. Casting defects such as inclusions, segregations, or non-uniform microstructure can further complicate the machining process. Proper selection of cutting tools and machining parameters is necessary to achieve the desired dimensional accuracy and surface finish. In summary, casting special steel presents several challenges related to high melting points, alloying elements, oxidation, shrinkage, porosity, thermal stresses, and machinability. Overcoming these challenges requires a thorough understanding of the material properties, precise process control, and the implementation of appropriate casting techniques.
- Q:How is special steel machined?
- Various methods and techniques are utilized to machine special steel, depending on the specific properties and requirements of the steel. Turning, for instance, is a common method where a cutting tool is employed to eliminate material from the rotating steel workpiece. This process is employed to shape the steel and produce cylindrical parts like shafts or rods. Milling, on the other hand, involves the use of rotating multi-point cutting tools to remove material from the steel workpiece. This technique is employed to create flat surfaces, slots, or intricate shapes on the steel. Grinding is yet another frequently used method for machining special steel. It entails the use of abrasive wheels to remove material and achieve a smooth surface finish. This method is often employed for precision machining, where precise tolerances and smooth finishes are necessary. Drilling is also a significant machining process for special steel. It involves using a rotating drill bit to create holes in the steel workpiece. This process can be carried out manually or with the use of CNC (Computer Numerical Control) machines to ensure accurate hole placement. Apart from these methods, other techniques such as broaching, honing, or lapping can also be employed to machine special steel, depending on the specific requirements and desired outcome. It should be noted that machining special steel necessitates specialized tools, equipment, and expertise due to the hardness and unique properties of the material. The cutting tools used for machining special steel are often made from high-speed steel or carbide, which can withstand the high temperatures and pressures generated during the machining process. In summary, machining special steel involves a combination of cutting, grinding, and drilling techniques to shape, refine, and finish the steel workpiece in accordance with the desired specifications and requirements.
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Steel SCr440 Mild Carbon Steel 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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