Grade Q450NQR1 Corten Steel Coil 2.0*1250*C
- 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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A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
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 is the toughness of special steel measured?
- The toughness of special steel can be assessed by specific tests and methodologies that evaluate its capacity to absorb energy and withstand fractures. One widely used approach is the Charpy V-Notch (CVN) test, in which a notched specimen is struck by a pendulum hammer, and the energy absorbed during fracture is measured. The results are then expressed as the energy absorbed per unit area, typically in joules per square centimeter (J/cm²) or foot-pounds per square inch (ft-lb/in²). Another commonly employed test is the Izod test, which is similar to the CVN test but involves a different specimen geometry. Furthermore, engineers and manufacturers may also employ other mechanical tests such as tensile strength, impact strength, and fracture toughness measurements to evaluate the toughness of special steel. These tests are invaluable in determining the suitability of special steel for various applications, particularly those requiring exceptional resistance to impact or sudden loading.
- Q:What are the main factors affecting the impact toughness of special steel?
- The impact toughness of special steel, or any material for that matter, is influenced by various factors. Some of the main factors affecting the impact toughness of special steel are: 1. Composition: The chemical composition of the steel plays a significant role in determining its impact toughness. Elements such as carbon, manganese, silicon, nickel, and molybdenum can be added to enhance the toughness of the steel. Higher carbon content generally improves hardness but reduces toughness, while alloying elements like nickel and molybdenum can enhance toughness. 2. Heat treatment: The heat treatment process, including processes like quenching and tempering, can significantly affect the impact toughness of special steel. Proper heat treatment can refine the microstructure of the steel, making it more resistant to fractures and increasing its toughness. 3. Microstructure: The microstructure of the steel, including the size, shape, and distribution of its grains, greatly impacts its toughness. Fine-grained steels generally exhibit better toughness compared to coarse-grained ones. The presence of certain phases, such as martensite or bainite, can also affect the impact toughness. 4. Inclusions: The presence of non-metallic inclusions, such as sulfides, oxides, or carbides, in the steel can act as stress concentration points and reduce its impact toughness. High-quality special steels often undergo processes like vacuum degassing or electroslag remelting to minimize the presence of these inclusions. 5. Processing conditions: The manufacturing processes used to produce special steel can influence its impact toughness. Factors such as forging, rolling, or extrusion conditions, as well as the cooling rate during solidification, can affect the microstructure and, consequently, the toughness of the steel. 6. Temperature: The impact toughness of special steel also varies with temperature. Some steels exhibit good toughness at low temperatures, while others may have better performance at higher temperatures. The temperature at which the steel is used or tested is an important factor to consider when evaluating its impact toughness. It is worth noting that the impact toughness of special steel is often determined using standardized tests, such as the Charpy or Izod test, which involve subjecting a notched specimen to impact loading. These tests provide valuable information on the material's ability to absorb energy and resist fracture under impact conditions.
- Q:What are the different types of special steel coatings?
- There are several types of special steel coatings, including zinc coatings (galvanization), aluminum coatings (aluminizing), chrome coatings (chromium plating), and ceramic coatings, among others. Each type of coating offers unique benefits and properties, such as corrosion resistance, improved durability, increased hardness, and enhanced heat resistance, depending on the specific application requirements.
- Q:What are the challenges in forging special steel?
- Forging special steel poses several challenges due to its unique composition and properties. Firstly, special steels often have high carbon content, making them harder to forge compared to lower carbon steels. The high carbon content increases the risk of cracking and requires careful temperature control during the forging process to prevent metallurgical issues. Secondly, special steels may contain alloying elements like chromium, molybdenum, or nickel, which enhance their specific properties. However, these alloying elements can also contribute to increased hardness and brittleness, making the forging process more challenging. Special attention must be given to heat treatment procedures to achieve the desired balance of strength and toughness. Furthermore, the complex internal structure of special steels, including the presence of inclusions and segregation, can further complicate the forging process. These internal defects can lead to uneven deformation, inadequate mechanical properties, or even failure during forging, necessitating meticulous quality control measures. Lastly, the cost of special steel materials is generally higher than that of regular steels, making any errors or wasted materials during the forging process more significant. The need for specialized equipment, skilled labor, and stringent quality assurance further adds to the challenges associated with forging special steel. Overall, forging special steel demands expertise, precision, and meticulous control of various parameters to ensure the desired mechanical properties and quality of the final product.
- Q:How does mold steel resist wear and erosion?
- Mold steel resists wear and erosion due to its high hardness, toughness, and resistance to deformation. It has a fine microstructure that allows it to withstand the repetitive stresses and strains associated with molding processes. Additionally, certain alloying elements like chromium and molybdenum enhance its corrosion resistance, making it more durable against wear and erosion caused by environmental factors.
- Q:What are the main characteristics of magnetic steel forgings?
- Magnetic steel forgings exhibit several key characteristics that make them highly desirable in various industries. Firstly, magnetic steel forgings possess excellent magnetic properties, allowing them to be easily magnetized and demagnetized. This property makes them suitable for applications where magnetism is required, such as in electrical motors and generators. Secondly, magnetic steel forgings possess high strength and durability. Due to the forging process, the steel is compressed and shaped, resulting in a dense and uniform microstructure. This enhances the mechanical properties of the steel, including its tensile strength, impact resistance, and fatigue strength. As a result, magnetic steel forgings can withstand heavy loads and harsh operating conditions, making them ideal for use in demanding applications such as automotive components, industrial machinery, and aerospace parts. Another characteristic of magnetic steel forgings is their excellent corrosion resistance. The forging process helps to refine the grain structure of the steel, making it less susceptible to corrosion and oxidation. This property is crucial in industries where components are exposed to corrosive environments or high temperatures, such as marine applications or oil and gas equipment. Furthermore, magnetic steel forgings offer good machinability and weldability. The forging process not only enhances the mechanical properties of the steel but also improves its machinability, allowing it to be easily shaped and modified into intricate designs. Additionally, magnetic steel forgings can be readily welded without compromising their integrity, providing flexibility in manufacturing and assembly processes. Lastly, magnetic steel forgings exhibit excellent dimensional stability. The forging process involves controlled heating and cooling, which helps to minimize dimensional changes and distortions. This ensures that the final product maintains its shape and dimensions, enabling precise fit and compatibility with other components. In summary, the main characteristics of magnetic steel forgings include excellent magnetic properties, high strength and durability, corrosion resistance, good machinability and weldability, and dimensional stability. These characteristics make magnetic steel forgings highly versatile and widely used in various industries, contributing to their overall success and popularity.
- Q:What are the emerging trends in special steel production?
- Some of the emerging trends in special steel production include the use of advanced technologies, such as additive manufacturing and automation, to enhance efficiency and precision in the production process. Additionally, there is a growing demand for eco-friendly and sustainable production methods, leading to the development of greener steelmaking processes. Furthermore, there is a focus on creating specialty steels with improved properties, such as higher strength, corrosion resistance, and heat resistance, to meet the evolving needs of various industries.
- Q:What are the specific requirements for special steel used in the power transmission industry?
- The specific requirements for special steel used in the power transmission industry are related to its durability, strength, and resistance to various environmental factors. These requirements are crucial as power transmission equipment operates under high loads, extreme temperatures, and corrosive conditions. Here are some specific requirements for special steel in the power transmission industry: 1. High Strength: Special steel used in power transmission must possess high strength to withstand the mechanical stresses and loads imposed by the power transmission equipment. This ensures that the steel can effectively carry the weight and resist deformation or failure. 2. Hardness: Special steel needs to have sufficient hardness to resist wear and abrasion. Power transmission equipment often involves moving parts that experience constant friction and contact, so the steel must be able to withstand these forces without wearing down quickly. 3. Corrosion Resistance: The steel used in power transmission should have excellent resistance to corrosion and rusting. Power transmission equipment is frequently exposed to moisture, chemicals, and other corrosive substances, so the steel must be able to withstand these conditions without deteriorating or losing its structural integrity. 4. Heat Resistance: Power transmission equipment operates at high temperatures, especially in cases of power generation and distribution. Therefore, special steel used in this industry must possess high heat resistance to prevent deformation, loss of strength, or failure under extreme thermal conditions. 5. Electrical Conductivity: Some power transmission components require steel with good electrical conductivity to ensure efficient transmission of electricity. Steel used for conductive purposes must have low resistance to electrical flow, allowing for minimal power loss during transmission. 6. Fatigue Resistance: Special steel used in the power transmission industry should have excellent fatigue resistance properties. This means that the steel can withstand repeated cycles of stress and strain without cracking or breaking, thereby ensuring its long-term reliability and durability. 7. Dimensional Stability: The steel used in power transmission must maintain its dimensional stability over time. This ensures that the equipment maintains its intended design and functionality, even under different operating conditions. In conclusion, the specific requirements for special steel used in the power transmission industry include high strength, hardness, corrosion resistance, heat resistance, electrical conductivity, fatigue resistance, and dimensional stability. These requirements ensure that the steel can withstand the demanding operational conditions and provide reliable and efficient power transmission.
- Q:How are aluminum alloys used in the automotive industry?
- Aluminum alloys are widely used in the automotive industry due to their lightweight yet durable properties. They are used in the construction of car bodies, engine components, wheels, suspension systems, and other critical parts. By using aluminum alloys, vehicles can achieve better fuel efficiency, improved performance, and reduced emissions. Additionally, these alloys offer better corrosion resistance, which enhances the lifespan and overall quality of automobiles.
- Q:What are the different methods of joining special steel?
- There are several methods of joining special steel, each with its own advantages and limitations. Some of the most common methods include: 1. Welding: This is the most widely used method of joining steel. It involves melting the base material and adding a filler material to create a strong bond. Different welding techniques such as arc welding, gas welding, and laser welding can be used depending on the specific requirements. 2. Brazing: This method involves heating the steel and melting a filler metal with a lower melting point, which then flows into the joint by capillary action. Brazing is often used when joining dissimilar metals or when a lower-temperature joining process is needed. 3. Soldering: Similar to brazing, soldering also uses a lower melting point filler material to join the steel. However, soldering involves melting the filler material without melting the base material. It is commonly used for electrical connections and delicate applications. 4. Mechanical fastening: This method involves joining the steel components using mechanical means such as bolts, screws, rivets, or other types of fasteners. Mechanical fastening is often preferred in situations where disassembly or maintenance is required. 5. Adhesive bonding: Special steel can also be joined using adhesives that create a strong bond between the surfaces. Adhesive bonding is suitable for joining complex shapes, reducing stress concentrations, and providing excellent corrosion resistance. 6. Friction welding: This technique involves rubbing or spinning two steel components together under pressure to generate heat, which then creates a bond. Friction welding is commonly used for joining high-strength or heat-treated steels. 7. Explosive welding: This method involves using explosives to create a high-speed collision between two steel surfaces, resulting in a solid-state bond. Explosive welding is often used for joining dissimilar metals or when high strength and corrosion resistance are required. The choice of joining method depends on factors such as the type of steel, the desired strength and durability of the joint, the specific application requirements, and the available equipment and expertise.
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Grade Q450NQR1 Corten Steel Coil 2.0*1250*C
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t
- Supply Capability:
- 20000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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