Grade Q450NQR1 Corten Steel Coil 4.0*1050*C
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t
- Supply Capability:
- 20000 m.t/month
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Grade Q450NQR1 Corten Steel Coil 4.0*1050*C
Description:
-Grade: Q450NQR1
-Specification: 4.0*1050 in coil
Chemical Composition(%) of Grade Q450NQR1 Corten Steel Coil 4.0*1050*C:
| C | Si | Mn | P | S | Cu | Ti/V | Cr | Ni | RE |
| ≤0.12 | ≤0.75 | ≤1.50 | ≤0.025 | ≤0.008 | 0.20~0.55 | / | 0.30~1.25 | 0.12~0.65 | / |
Mechanical Properties of Grade Q450NQR1 Corten Steel Coil 4.0*1050*C:
| Thickness(mm) | Y.S(MPa) | T.S(MPa) | EL. A5% | Bend 180o | Impact Test | |
| oC | AKV J | |||||
| ≤6 | ≥450 | ≥550 | ≥20 | d=a | -40 | ≥60 |
| 6~14 | d=2a | |||||
| ＞14 | d=3a | |||||
Application of Grade Q450NQR1 Corten Steel Coil 4.0*1050*C:
Used in different weather. It has good anti rust protection and welding ability and is used in shipping container,support frame of outside building etc. Remarkably enhances the anti-corrosive performance of the structural element, lengthens the structural element service life, uses in manufacturing each kind of structural element which was used under the atmospheric envirenment and the caustic gas, the liquid envirenment.
Payment:
-Invoicing on theoretical weight or actual weight as customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.
3, Negotiable.
-The payment terms will be written in contraction detailedly.
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Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The shipping date is dependent upon the quatity, how many sizes you want and the plan of production, but is typically 1 month to 2 month days from the beginning of production.
Images of Grade Q450NQR1 Corten Steel Coil 4.0*1050*C:
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- Q: What is the role of special steel in the oil and gas industry?
- Special steel plays a crucial role in the oil and gas industry as it is used for various applications that require high strength, corrosion resistance, and durability. It is extensively used in the construction of pipelines, offshore platforms, drilling equipment, and storage tanks. Special steel ensures the integrity and reliability of these critical components, enabling safe and efficient operations in the challenging and harsh environments of the oil and gas industry.
- Q: Can special steel be used for making aerospace engine components?
- Certainly, aerospace engine components can be made using special steel. The aerospace industry commonly utilizes special steel alloys, such as nickel-based superalloys and stainless steels, due to their remarkable mechanical properties, ability to withstand high temperatures, and superior resistance to corrosion. These alloys are specifically engineered to endure the extreme conditions and demands of aerospace engines, including high temperatures, pressures, and stress levels. Moreover, special steel alloys offer a high strength-to-weight ratio, which is crucial in reducing the weight of aerospace components while preserving their structural integrity. Consequently, the utilization of special steel in aerospace engine components ensures the dependability, performance, and safety of engines in aeronautical applications.
- Q: What are the common challenges in heat treating titanium alloys?
- There are various difficulties encountered when heat treating titanium alloys. One of the primary obstacles arises from titanium's strong tendency to react with oxygen, nitrogen, and hydrogen at elevated temperatures. This reactivity can lead to contamination on the surface and the creation of unwanted oxides, nitrides, or hydrides, which can adversely affect the mechanical characteristics of the alloy. Another challenge involves the development of alpha-case, a thick layer of alpha-phase titanium that forms on the alloy's surface during the heating process. This alpha-case is brittle and can significantly diminish the material's fatigue strength and ductility. Consequently, it is crucial to minimize or eliminate the formation of alpha-case during titanium alloy heat treatment. Moreover, titanium alloys have a limited temperature range for effective heat treatment. If the temperature is too low, the desired microstructure and mechanical properties may not be achieved. Conversely, if the temperature is too high, grain growth can occur, resulting in reduced strength and toughness of the alloy. Furthermore, precise control over the heating and cooling rates is often required when heat treating titanium alloys to achieve the desired microstructure and properties. Inadequate or uneven cooling can lead to non-uniform microstructures, residual stresses, or distortion of the component. Finally, the cost of heat treating titanium alloys can pose a challenge. Titanium alloys have a high affinity for oxygen, necessitating the use of specialized equipment such as vacuum furnaces or controlled atmosphere furnaces to maintain a low oxygen environment. These specialized heat treatment processes can be costly and demand careful handling and maintenance to ensure the desired outcomes. To summarize, the common challenges encountered in heat treating titanium alloys include managing reactivity with oxygen, nitrogen, and hydrogen, minimizing alpha-case formation, achieving the appropriate temperature range, controlling heating and cooling rates, and dealing with the expenses associated with specialized equipment and processes. Overcoming these challenges is essential to obtain high-quality titanium alloy components with the desired properties.
- Q: What are the main applications of special steel in the power generation equipment?
- Special steel is widely used in power generation equipment due to its exceptional properties such as high strength, corrosion resistance, and heat resistance. It finds applications in various components of power generation equipment, including turbine blades, boiler tubes, heat exchangers, and pressure vessels. These components need to withstand extreme conditions such as high temperatures, pressures, and corrosive environments. Special steel ensures the durability and reliability of power generation equipment, ultimately enhancing the efficiency and performance of power plants.
- Q: How is tool and die steel used in the manufacturing of molds and dies?
- Tool and die steel is essential in the manufacturing of molds and dies as it provides the required strength, hardness, and durability to withstand the high pressures and temperatures involved in the molding process. It is used to create the core and cavity sections of molds as well as the various components of dies. The steel is carefully selected based on its specific properties to ensure optimal performance and longevity in the production of molds and dies.
- Q: What are the different non-destructive testing methods for special steel?
- There are several non-destructive testing methods for special steel, including visual inspection, ultrasonic testing, radiographic testing, magnetic particle testing, and liquid penetrant testing. These methods allow for the detection of surface and subsurface defects, such as cracks, voids, or inclusions, without causing any damage to the material. Each method has its own advantages and limitations, and the choice of testing method depends on the specific requirements and characteristics of the special steel being evaluated.
- Q: What are the different methods of surface pickling for special steel?
- Pickling special steel can be achieved through various methods. These methods comprise acid pickling, electrolytic pickling, mechanical pickling, and passivation. The most commonly employed method for pickling special steel is acid pickling. It entails immersing the steel in an acid solution, typically hydrochloric acid or sulfuric acid, to eliminate any surface impurities. By reacting with the steel's oxide layer, the acid dissolves it, leaving a pristine surface. Electrolytic pickling, on the other hand, involves passing an electric current through the steel submerged in an electrolyte solution. This creates a chemical reaction that removes surface impurities. Electrolytic pickling offers better control and enables a more consistent surface finish compared to acid pickling. Mechanical pickling utilizes abrasive materials like sandpaper or wire brushes to physically scrub the steel's surface and eliminate any scale or rust. It is often combined with acid or electrolytic pickling to achieve the desired surface finish. After pickling, special steel can undergo passivation to enhance its corrosion resistance. Passivation entails treating the steel with a chemical solution, typically nitric acid or citric acid, to form a protective oxide layer on the surface. This layer prevents further corrosion and enhances the steel's overall durability. It's worth mentioning that the specific method of surface pickling for special steel may vary depending on factors such as the type of steel, desired surface finish, and intended application. Therefore, it is essential to consult experts or adhere to the manufacturer's guidelines to ensure the appropriate pickling method is employed for special steel.
- Q: What are the requirements for special steel used in energy equipment manufacturing?
- The requirements for special steel used in energy equipment manufacturing are quite stringent and specific. These steels need to possess a set of characteristics that make them suitable for handling the extreme conditions and demands of energy equipment. Firstly, high strength is a crucial requirement for special steel used in energy equipment manufacturing. These steels must have excellent mechanical properties, including high tensile strength and good toughness. This is necessary to withstand the heavy loads, pressure, and stresses that energy equipment such as turbines, generators, and power transmission systems experience. Secondly, special steels used in energy equipment manufacturing must exhibit exceptional heat resistance. They need to maintain their structural integrity and mechanical properties at elevated temperatures. This is because energy equipment operates under high-temperature conditions, especially components like boiler tubes and heat exchangers. Heat-resistant steels with high melting points and low thermal expansion are thus vital. Corrosion resistance is another crucial requirement for special steel used in energy equipment manufacturing. Energy equipment is often exposed to harsh environments, including corrosive gases, fluids, and high humidity. Therefore, the special steels used should have excellent resistance to corrosion, oxidation, and erosion. This ensures the longevity and reliability of the energy equipment, reducing maintenance and replacement costs. Good weldability and machinability are also essential characteristics of special steels used in energy equipment manufacturing. Energy equipment often requires complex fabrication processes and weldments. Therefore, these steels should possess good weldability to ensure easy and reliable joining. Similarly, machinability is crucial for the production of energy equipment components, as it allows for efficient shaping and finishing. Lastly, special steel used in energy equipment manufacturing must comply with strict quality and safety standards. They should adhere to international codes and regulations, such as those set by organizations like the American Society of Mechanical Engineers (ASME) and the International Electrotechnical Commission (IEC). These standards ensure that the special steels meet the necessary specifications and performance requirements for energy equipment, promoting safety and reliability. In conclusion, the requirements for special steel used in energy equipment manufacturing include high strength, heat resistance, corrosion resistance, weldability, machinability, and compliance with quality and safety standards. Meeting these requirements ensures that the special steels can withstand the extreme conditions and demands of energy equipment, ensuring their longevity, reliability, and safety.
- Q: How is magnetic alloy steel used in the production of magnetic components?
- Magnetic alloy steel is commonly used in the production of magnetic components due to its unique magnetic properties. It is an essential material for manufacturing products like magnetic cores, transformers, and inductors. The alloy's high saturation magnetization and low coercivity make it ideal for creating strong and efficient magnetic fields. Additionally, its excellent thermal stability ensures reliable performance under various operating conditions. Overall, magnetic alloy steel enhances the functionality and efficiency of magnetic components, making it a crucial material in their production.
- Q: What are the different corrosion-resistant special steel alloys?
- Various industries commonly utilize several corrosion-resistant special steel alloys. Among the most popular are stainless steel, duplex stainless steel, super duplex stainless steel, and nickel-based alloys. Stainless steel, which contains a minimum of 10.5% chromium, is a widely used corrosion-resistant alloy. It forms a protective layer of chromium oxide on its surface, effectively preventing further corrosion. This alloy exhibits high resistance to rust, staining, and pitting, making it suitable for applications in the food processing, chemical, and marine industries. Duplex stainless steel, a combination of austenitic and ferritic stainless steels, offers excellent corrosion resistance, particularly in environments with high chloride ion concentrations. It finds common use in the oil and gas, chemical, and desalination industries. Super duplex stainless steel, being a stronger variation of duplex stainless steel, provides enhanced corrosion resistance and mechanical properties. This makes it ideal for applications in harsh environments like offshore oil and gas platforms, chemical processing plants, and seawater desalination systems. Nickel-based alloys, including Inconel and Hastelloy, are renowned for their exceptional resistance to corrosion and high-temperature environments. These alloys find widespread use in industries such as aerospace, chemical processing, and power generation, where both corrosion and heat resistance are critical. These corrosion-resistant special steel alloys offer a range of options for industries seeking materials with superior durability and resistance to corrosive environments. The choice of alloy depends on the specific application, operating conditions, and desired performance characteristics.
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Grade Q450NQR1 Corten Steel Coil 4.0*1050*C
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t
- Supply Capability:
- 20000 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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