Steel SCr440 Mild Carbon Steel Special Steel
- 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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Specification
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 |
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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 is heat-resistant steel used in high-temperature applications?
- Heat-resistant steel is specifically designed to withstand high temperatures without losing its strength or undergoing structural changes. It is commonly used in high-temperature applications such as power plants, furnaces, and aerospace industry. Due to its ability to maintain its mechanical properties at elevated temperatures, heat-resistant steel is used to fabricate critical components like turbine blades, exhaust systems, and heat exchangers, ensuring reliable and efficient operations even in extreme heat conditions.
- Q:What are the different methods of testing special steel for quality assurance?
- There are several methods of testing special steel for quality assurance, including mechanical testing, chemical analysis, non-destructive testing, and metallographic analysis. Mechanical testing involves measuring the steel's strength, hardness, and toughness through techniques such as tensile testing, impact testing, and hardness testing. Chemical analysis helps determine the composition and impurities in the steel through methods like spectroscopy and elemental analysis. Non-destructive testing methods like ultrasonic testing, magnetic particle testing, and radiographic testing are used to detect any defects or flaws in the steel without causing damage. Metallographic analysis involves examining the steel's microstructure through techniques like optical microscopy and electron microscopy to assess its internal structure and identify any potential issues.
- Q:What are the factors that determine the cost of special steel?
- There are several factors that determine the cost of special steel. These include the raw material costs, manufacturing processes and techniques involved, the complexity of the steel composition, the market demand and supply, and any additional treatments or finishes required. Other factors such as transportation costs, import/export taxes, and industry regulations may also influence the overall cost.
- Q:What are the different corrosion-resistant special steel alloys?
- There are several corrosion-resistant special steel alloys that are commonly used in various industries. Some of the most popular ones include stainless steel, duplex stainless steel, super duplex stainless steel, and nickel-based alloys. Stainless steel is a widely used corrosion-resistant alloy that contains a minimum of 10.5% chromium. It forms a protective layer of chromium oxide on its surface, preventing further corrosion. Stainless steel is highly resistant to rust, staining, and pitting, making it suitable for applications in the food processing, chemical, and marine industries. Duplex stainless steel is a combination of both austenitic and ferritic stainless steels. It offers excellent resistance to corrosion, particularly in environments with high chloride ion concentrations. Duplex stainless steel is commonly used in the oil and gas, chemical, and desalination industries. Super duplex stainless steel is a higher strength version of duplex stainless steel. It offers enhanced corrosion resistance and mechanical properties, making it ideal for applications in harsh environments such as offshore oil and gas platforms, chemical processing plants, and seawater desalination systems. Nickel-based alloys, such as Inconel and Hastelloy, are known for their exceptional resistance to corrosion and high-temperature environments. These alloys are commonly used in industries such as aerospace, chemical processing, and power generation, where resistance to both corrosion and heat is critical. These corrosion-resistant special steel alloys provide various options for industries that require materials with excellent durability and resistance to corrosive environments. The choice of alloy depends on the specific application, operating conditions, and desired performance characteristics.
- Q:How does special steel contribute to the electrical resistance of products?
- Special steel can contribute to the electrical resistance of products in several ways. Firstly, the composition of special steel can be tailored to have specific electrical properties, such as resistivity. By selecting the appropriate alloys and adjusting the carbon content, special steel can be made to have higher resistivity than regular steel or other materials. This higher resistivity is beneficial in applications where electrical conductivity needs to be limited. For example, in electrical wiring, the use of special steel with higher resistivity can help to prevent excessive current flow, reducing the risk of overheating and potential electrical hazards. Similarly, in electrical resistors, the use of special steel can provide the desired level of resistance to control the flow of current and dissipate energy in a controlled manner. Special steel can also contribute to electrical resistance through its physical properties. The microstructure of special steel can be engineered to enhance resistance to electrical current flow. For instance, the addition of certain alloying elements or heat treatment processes can create a fine-grained structure or introduce barriers to electron movement, increasing the overall resistance. Furthermore, special steel can be used in the production of electrical contact materials. These materials need to have specific electrical and mechanical properties to ensure reliable and efficient electrical connections. Special steel alloys can provide high electrical conductivity while also being resistant to corrosion, wear, and deformation, thus contributing to the overall electrical resistance of the product. In summary, special steel contributes to the electrical resistance of products through its tailored composition, which can provide higher resistivity than regular steel. Additionally, the microstructure of special steel can be engineered to enhance resistance to electrical current flow. Whether it is used for limiting current flow, controlling resistance, or creating reliable electrical contacts, special steel plays a crucial role in various electrical applications.
- Q:How does special steel compare to other materials?
- Special steel, known as alloy steel as well, possesses outstanding strength, durability, and resistance to wear and corrosion. When compared to regular steel, aluminum, and plastic, special steel stands out due to its superior mechanical properties. To begin with, special steel offers higher tensile strength and hardness, making it perfect for applications that require heavy-duty performance. Its ability to withstand high pressures and temperatures, as well as resistance to deformation, make it suitable for industries like aerospace, automotive, and construction. Furthermore, special steel has excellent wear resistance, making it suitable for applications that endure friction, abrasion, and impact. This characteristic reduces the need for frequent repairs or replacements, resulting in cost savings and improved efficiency. When it comes to corrosion resistance, special steel surpasses regular steel, which tends to rust when exposed to moisture or aggressive environments. The presence of elements like chromium, nickel, and molybdenum in its composition creates a protective layer on the surface, preventing corrosion and extending the lifespan of the material. Compared to materials like aluminum and plastic, special steel has the advantage of being more robust and less prone to deformation or breakage. While aluminum is lightweight, it lacks the strength and hardness of special steel, limiting its suitability for heavy-duty applications. On the other hand, plastic offers lower strength and durability compared to special steel, making it less appropriate for demanding tasks. Moreover, special steel can be easily machined, fabricated, and welded, allowing for versatile applications across various industries. Its flexibility in terms of shaping and forming makes it the preferred choice in the manufacturing of components and structures. In conclusion, special steel outperforms other materials in terms of strength, durability, wear resistance, corrosion resistance, and versatility. Its exceptional properties make it an essential material in demanding industries where reliability and performance are of utmost importance.
- Q:How does special steel contribute to the manufacturing of cutting blades?
- The manufacturing of cutting blades heavily relies on the use of special steel, which plays a vital role in this process. Cutting blades must possess exceptional strength, durability, and sharpness in order to effectively carry out their intended function. Special steel, also referred to as tool steel, possesses distinctive properties that make it the ideal material for the production of cutting blades. To begin with, special steel boasts remarkable hardness, allowing cutting blades to maintain their sharpness over an extended period of time. Blades made from special steel can endure the wear and tear that occurs during cutting operations. This hardness enables the blades to retain their cutting edge, resulting in a longer lifespan and enhanced cutting performance. Furthermore, special steel provides exceptional toughness, which is crucial for cutting blades. During cutting operations, blades are subjected to high impact and stress. The toughness of special steel helps to absorb these forces and prevents the blades from breaking or chipping. This ensures that the cutting blades can withstand demanding cutting tasks without compromising their performance. Additionally, special steel offers excellent corrosion resistance. Cutting blades frequently come into contact with various materials, including moisture and chemicals. The corrosion resistance of special steel prevents the blades from rusting or corroding, ensuring their longevity and reducing the need for frequent replacements. Moreover, special steel possesses good machinability, making it easier to shape and form into the desired blade design. This enhances the manufacturing process by allowing the production of cutting blades with intricate features and complex shapes. The machinability of special steel enables manufacturers to create blades with precise cutting edges and optimal geometries, resulting in superior cutting performance. In conclusion, special steel significantly contributes to the manufacturing of cutting blades by providing hardness, toughness, corrosion resistance, and good machinability. These properties ensure that cutting blades made from special steel are long-lasting, durable, and capable of delivering exceptional cutting performance in various applications.
- Q:Can special steel be used in the agricultural industry?
- Yes, special steel can be used in the agricultural industry. Special steels, such as high-strength and corrosion-resistant varieties, can be utilized for various applications in agriculture. These steels can be used to manufacture farm equipment, machinery, tools, and infrastructure such as storage containers, irrigation systems, and agricultural buildings. The properties of special steel, such as durability, resistance to wear and tear, and ability to withstand harsh environmental conditions, make it suitable for enhancing productivity and longevity in agricultural operations.
- Q:What are the challenges in machining special steel alloys?
- Machining special steel alloys presents several challenges. These alloys are typically harder and more brittle than regular steel, making them more difficult to cut and shape. They also tend to generate higher heat during the machining process, increasing the risk of tool wear and thermal damage. Special steel alloys may also have complex microstructures and chemical compositions, which can result in uneven material removal and unpredictable machining behavior. Additionally, these alloys often have lower machinability ratings, requiring specialized cutting tools and techniques to achieve desired results. Overall, the challenges in machining special steel alloys lie in their hardness, heat generation, complex microstructures, and lower machinability, necessitating expertise and careful consideration during the machining process.
- Q:What is the role of special steel in the automotive industry?
- Special steel plays a crucial role in the automotive industry as it is used in various components and parts of vehicles. Its exceptional strength, durability, and resistance to wear and corrosion make it ideal for applications such as engine components, suspension systems, and safety features. Special steel also enables automakers to reduce vehicle weight, improve fuel efficiency, and enhance overall performance and safety.
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Steel SCr440 Mild Carbon Steel Special Steel
- 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
OKorder Financial Service
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