Grade Q450NQR1 Corten Steel Coil 2.0*1250*C
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- 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 2.0*1250*C
Description:
-Grade: 09CuPCrNi-A
-Specification: 2.0*1250 in coil
Chemical Composition(%) of Grade Q450NQR1 Corten Steel Coil 2.0*1250*C:
| C | Si | Mn | P | S | Cu | Ti/V | Cr | Ni | RE |
| ≤0.12 | 0.25~0.75 | 0.20~0.50 | 0.060~0.12 | ≤0.020 | 0.25~0.50 | / | 0.30~1.25 | 0.12~0.65 | / |
Mechanical Properties of Grade Q450NQR1 Corten Steel Coil 2.0*1250*C:
| Thickness(mm) | Y.S(MPa) | T.S(MPa) | EL. A5% | Bend 180o | Impact Test | |
| oC | AKV J | |||||
| 2.0~≤6.0 | ≥345 | ≥480 | ≥24 | d=a | Normal/-40 | ≥47/≥21 |
| ＞6.0~12.0 | d=2a | |||||
Application of Grade Q450NQR1 Corten Steel Coil 2.0*1250*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 2.0*1250*C:
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- Q: How does bearing steel resist fatigue?
- Bearing steel resists fatigue due to its high strength, durability, and resistance to deformation. It has a carefully controlled chemical composition and heat treatment process that enhances its mechanical properties, such as hardness and toughness. This allows bearing steel to withstand repeated cycles of stress and loading without experiencing significant fatigue or failure. Additionally, its microstructure, including fine grain size and uniform distribution of carbides, helps to distribute stress evenly and prevent the formation of cracks or weak points that could lead to fatigue failure.
- Q: How is special steel tested for quality and durability?
- Special steel undergoes a series of rigorous processes and tests to assess its quality and durability. These tests are carefully designed to guarantee that the steel meets the necessary standards and can withstand different conditions and applications. One widely used method for testing special steel is the tensile strength test. This test measures the maximum level of stress that the steel can endure before breaking or deforming. To conduct this test, a sample of the steel is subjected to a pulling force until it reaches its breaking point. The outcomes of this test determine the steel's ability to resist external forces and its overall strength. Another crucial test is the hardness test, which determines the steel's durability. This test involves assessing the steel's resistance to indentation or scratching. A sample of the steel is pressed against a hard surface, and the depth of the indentation is measured. The steel's hardness indicates its resistance to wear and deformation. Apart from mechanical tests, special steel is also subjected to various chemical and metallurgical tests. These tests help determine the steel's chemical composition and microstructure, which are vital factors in ensuring its quality and durability. Spectroscopic analysis is used to identify the steel's exact chemical composition, while metallography is employed to examine the steel's microstructure and identify any impurities or defects. Furthermore, non-destructive testing methods are used to evaluate the steel's internal structure without causing any damage. These methods include ultrasonic testing, magnetic particle inspection, and radiographic testing. Ultrasonic testing employs high-frequency sound waves to detect internal flaws or defects in the steel. Magnetic particle inspection uses magnetic fields to identify surface cracks or discontinuities. Radiographic testing, on the other hand, uses X-rays or gamma rays to examine the internal structure and identify any defects that may compromise the steel's quality and durability. Overall, the testing process for special steel encompasses mechanical, chemical, metallurgical, and non-destructive testing methods. Through these tests, manufacturers can ensure that the steel meets the necessary standards and can perform reliably in various applications, ensuring its quality and durability.
- Q: How does special steel contribute to the overall economy?
- Special steel contributes to the overall economy in several ways. Firstly, it plays a crucial role in various industries such as automotive, construction, and manufacturing, where it is used for producing high-performance components and structures. This fosters innovation, enhances productivity, and drives economic growth. Additionally, the production and processing of special steel create employment opportunities, both directly and indirectly, stimulating job growth and income generation. Moreover, special steel exports contribute to trade balance and foreign exchange earnings, further bolstering the economy. Overall, the utilization of special steel in diverse sectors strengthens industrial competitiveness, supports economic development, and fuels economic prosperity.
- Q: What are the different methods of surface lapping for special steel?
- There are several methods of surface lapping for special steel, including abrasive lapping, diamond lapping, and chemical lapping. Abrasive lapping involves using an abrasive material, such as silicon carbide or aluminum oxide, to remove small amounts of material from the surface of the steel. Diamond lapping, on the other hand, utilizes diamond particles to achieve a high level of precision and smoothness. Chemical lapping involves using a chemical compound that reacts with the steel surface, selectively removing material to achieve the desired finish. Each method has its own advantages and is chosen based on the specific requirements of the steel and the desired outcome.
- Q: How does special steel contribute to reducing product failure?
- Special steel contributes to reducing product failure by providing enhanced strength, durability, and resistance to various external factors such as corrosion, wear, and extreme temperatures. Its unique properties make it suitable for critical components and applications where failure could have severe consequences. By using special steel in the manufacturing process, products are less likely to fail prematurely, ensuring reliability, safety, and ultimately reducing the risk of accidents or malfunctions.
- Q: What are the different methods for improving the impact resistance of special steel?
- Special steel can be made more impact resistant through various methods. These methods fall into three main categories: heat treatment, alloying, and surface treatments. Heat treatment is a commonly used method to improve impact resistance. It involves carefully heating and cooling the steel to change its microstructure. Tempering and quenching are the two primary heat treatment processes used for this purpose. Tempering involves heating the steel to a specific temperature and then slowly cooling it. This helps to relieve internal stresses and increase toughness. On the other hand, quenching involves rapidly cooling the steel after heating it to a high temperature. This results in a hardened microstructure, which enhances impact resistance. Alloying is another method to enhance the impact resistance of special steel. By adding specific elements to the base steel, its properties can be improved. For instance, elements like manganese, nickel, or chromium can be added to increase toughness and impact resistance. These alloying elements modify the steel's microstructure, resulting in enhanced strength and resistance to deformation. Surface treatments are used to provide a protective layer on the steel's surface, thereby improving impact resistance. A commonly employed surface treatment is case hardening, which introduces carbon or nitrogen into the outer layer of the steel. This creates a hard surface while maintaining a tough core, resulting in improved impact resistance. Another surface treatment method is shot peening, where the steel surface is bombarded with small particles under high pressure. This induces compressive stresses in the surface layer, enhancing fatigue and impact resistance. In summary, the impact resistance of special steel can be improved through different methods, including heat treatment, alloying, and surface treatments. These methods can be applied individually or in combination to enhance the steel's mechanical properties, making it more resistant to impact and deformation.
- Q: Can special steel be used in power generation applications?
- Yes, special steel can be used in power generation applications. Special steel offers excellent strength, corrosion resistance, and high-temperature stability, making it suitable for various power generation components such as turbines, generators, boilers, and heat exchangers. It ensures durability, reliability, and efficient performance in demanding power generation environments.
- Q: What are the common challenges in forging special steel?
- Forging special steel poses several common challenges that manufacturers and engineers must address in order to achieve desired outcomes. One of the primary challenges in forging special steel is maintaining precise temperature control throughout the process. Special steels often have specific heat treatment requirements, and any deviation from the recommended temperature range can adversely affect the final properties of the material. Achieving and sustaining the right temperature is crucial to ensure desired mechanical properties like strength, hardness, and toughness. Another challenge in forging special steel is controlling the cooling rate during quenching. Quenching is a critical step in the heat treatment process that helps to achieve the desired hardness and strength in special steels. However, rapid cooling can lead to the formation of undesirable microstructures or even cracking. Therefore, carefully managing the cooling rate is essential to avoid these issues and ensure optimal material properties. Additionally, shaping special steels through forging can be challenging due to their high strength and hardness. These materials are often more difficult to deform compared to regular steels, requiring higher forging pressures and specialized equipment. The resistance to deformation can lead to increased wear on the forging dies, requiring frequent maintenance and replacement. Furthermore, special steels may contain alloying elements that can affect their forgeability. Some alloying elements can promote grain growth, which can reduce the mechanical properties of the material. Finding the right balance of alloying elements and optimizing the forging process parameters is crucial to achieve the desired microstructure and properties in the final product. Lastly, ensuring consistency and repeatability in the forging process can be a challenge. Special steels are often produced in smaller quantities or for specific applications, making it important to maintain process control and quality assurance. Proper documentation, monitoring, and quality control measures need to be implemented to ensure that the forged special steel meets the desired specifications and performance requirements. Overall, forging special steel requires careful attention to temperature control, cooling rate during quenching, shaping difficulties, alloying elements, and maintaining consistency. Addressing these challenges through proper process control and optimization is crucial to obtain high-quality special steel products with the desired mechanical properties and performance characteristics.
- Q: How does special steel perform under low temperatures?
- Special steel performs well under low temperatures due to its high strength, toughness, and resistance to brittle fracture. It retains its mechanical properties and does not become brittle like other materials, making it suitable for applications in cold environments.
- Q: What are the main properties of special steel?
- The main properties of special steel include high strength, excellent corrosion resistance, superior heat resistance, good toughness, and exceptional wear resistance. Additionally, special steel often exhibits high ductility, machinability, and weldability, making it suitable for various applications in industries such as automotive, aerospace, and construction.
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Grade Q450NQR1 Corten Steel Coil 2.0*1250*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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