Reinforcing Steel Rebar Bs4449 Grade 460B
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 130 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Reinforcing Steel Rebar Bs4449 Grade 460B
Description of Reinforcing Steel Rebar Bs4449 Grade 460B
1, Diameter: 5.5mm-10mm Reinforcing Steel Rebar Bs4449 Grade 460B
10m- 40mm Reinforcing Steel Rebar Bs4449 Grade 460B
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
OEM technology - send detailed technical parameters for accurate quotation.
2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -
hot rolled or forged to get the steel round bar and plate
3, Heat Treatment: annealing, normalizing, tempering, quenching
4, Surface Treatment: Black
5, Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Chemical Composition of Reinforcing Steel Rebar Bs4449 Grade 460B
Grade | Technical data of the original chemical composition(%) | |||||
Reinforcing steel bar HRB335 | C | Mn | Si | S | P | B |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 335 | ≥490 | ≥16 | ||||
Reinforcing steel bar HRB400 | C | Mn | Si | S | P | B |
≤0.25 | ≤0.16 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 400 | ≥ 570 | ≥ 14 |
Products Show of Reinforcing Steel Rebar Bs4449 Grade 460B
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
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, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM 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: What are the different electroplating techniques used for special steel?
- There are several electroplating techniques used for special steel, including electroless nickel plating, zinc plating, and chromium plating. Each technique offers unique benefits and properties that are tailored to the specific requirements of the special steel being plated.
- Q: What are the limitations of using special steel in high-stress applications?
- There are several limitations to using special steel in high-stress applications. Firstly, special steel can be quite expensive compared to other materials. This can make it less feasible for certain projects or industries with budget constraints. Secondly, special steel may not always be readily available or easily sourced. This can lead to delays in production or construction timelines, which can be problematic in high-stress applications where time is of the essence. Additionally, special steel may have limitations in terms of its structural integrity. While it is generally stronger and more resistant to wear and tear compared to regular steel, it may still have certain limits in terms of load-bearing capacity. This means that in extremely high-stress applications, special steel may not be the most suitable choice. Moreover, special steel can be more difficult to work with compared to other materials. It may require specialized equipment or techniques for cutting, welding, or shaping, which can add complexity and cost to the manufacturing process. Lastly, special steel may have limitations in terms of its corrosion resistance. While it is generally more resistant to corrosion compared to regular steel, it may still be prone to rust or degradation if not properly maintained or exposed to harsh environments. This can be a concern in high-stress applications where the durability and longevity of the material are crucial. Overall, while special steel offers many benefits in high-stress applications, it is important to consider its limitations in terms of cost, availability, load-bearing capacity, workability, and corrosion resistance. These factors should be carefully evaluated to determine the most suitable material for a specific high-stress application.
- Q: What are the different methods of surface electropolishing for special steel?
- There are several methods of surface electropolishing for special steel, including the use of acid-based or alkaline-based electrolytes, pulse current electropolishing, and reverse current electropolishing. The choice of method depends on factors such as the type of special steel being treated and the desired surface finish.
- Q: What are the different methods of preventing stress relaxation in special steel?
- Some of the different methods of preventing stress relaxation in special steel include heat treatment, surface coating or plating, stress relieving, and proper design and engineering of the components. These methods help to minimize the relaxation of stress in the steel, ensuring its performance and durability over time.
- Q: How is maraging steel used in the production of rocket and missile components?
- Maraging steel is commonly used in the production of rocket and missile components due to its exceptional strength, toughness, and resistance to corrosion. Its unique properties allow for the creation of lightweight yet highly durable parts, such as rocket nozzles, casings, and guidance systems. Additionally, maraging steel can withstand extreme temperatures and pressures, making it suitable for the demanding conditions of space and military applications.
- Q: What is the process of manufacturing special steel?
- The process of manufacturing special steel involves several steps. Firstly, raw materials such as iron ore, coal, and limestone are gathered and processed to create molten iron in a blast furnace. Next, impurities like carbon, sulfur, and phosphorus are removed through various refining techniques. Once the desired composition is achieved, the molten iron is transferred to a steelmaking furnace, where alloying elements like chromium, nickel, or manganese are added to impart specific properties. The mixture is then refined further to remove any remaining impurities and to adjust the temperature and composition. After refining, the molten steel is cast into various shapes such as blooms, billets, or slabs, depending on the desired end product. These primary forms are then subjected to hot rolling, forging, or extrusion processes to shape them into the desired final products, such as bars, plates, or wires. Finally, the manufactured steel undergoes heat treatment processes like annealing, quenching, or tempering to enhance its strength, hardness, and other mechanical properties. It is also subjected to quality control measures to ensure it meets the required specifications. Overall, the process of manufacturing special steel involves a combination of raw material preparation, refining, casting, shaping, heat treating, and quality control steps to produce steel with specific properties tailored to meet diverse industrial needs.
- Q: How does molybdenum improve the performance of special steel?
- Due to its unique properties and characteristics, molybdenum is crucial in enhancing the performance of special steel. Its role is multi-faceted and includes improving strength and toughness, increasing hardenability, enhancing corrosion resistance, and improving high-temperature strength and creep resistance. One of the primary benefits of molybdenum is its ability to significantly improve the strength and toughness of steel, making it more durable and resistant to deformation. This is achieved by forming a solid solution with iron, resulting in a fine-grained microstructure and reducing the formation of brittle phases in the steel. Another advantage of molybdenum is its impact on the hardenability of steel. It allows the steel to be heat-treated to achieve the desired mechanical properties. This is particularly important in the production of special steel, where high strength, wear resistance, and thermal stability are often required. By enabling effective heat treatment, molybdenum ensures that the steel can be processed to meet specific performance requirements, such as hardness, toughness, and dimensional stability. Moreover, molybdenum enhances the corrosion resistance of special steel, making it suitable for challenging environments. It forms a protective oxide layer on the steel's surface, acting as a barrier against corrosive substances like acids, alkalis, and salts. This corrosion resistance is crucial in applications where the steel is exposed to harsh conditions, such as marine environments, chemical processing plants, and oil and gas industries. Furthermore, molybdenum improves the high-temperature strength and creep resistance of special steel. It enables the steel to maintain its mechanical properties even at elevated temperatures, making it suitable for applications where the steel is subject to prolonged exposure to heat or mechanical stress. In conclusion, molybdenum plays a vital role in enhancing the performance of special steel by improving its strength, toughness, hardenability, corrosion resistance, and high-temperature properties. These attributes make molybdenum an essential alloying element in the production of special steel for various industries, including automotive, aerospace, energy, and tool manufacturing.
- Q: What are the different methods of strengthening special steel?
- There are several methods of strengthening special steel, each with its own advantages and applications. One common method is through heat treatment, which involves heating the steel to a specific temperature and then cooling it rapidly or slowly, depending on the desired outcome. This can include processes like quenching, tempering, and annealing, which modify the microstructure of the steel to enhance its mechanical properties. Another method is alloying, where different elements are added to the steel to improve its strength. For example, adding elements like chromium, nickel, or molybdenum can increase the steel's resistance to corrosion, while elements like vanadium or tungsten can enhance its hardness and wear resistance. Cold working is another technique used to strengthen special steel, which involves deforming the steel at room temperature through processes like rolling, forging, or drawing. This helps to align the steel's crystalline structure, increasing its strength and hardness. Additionally, surface treatments can be applied to special steel to improve its strength. These can include techniques like carburizing, nitriding, or plating, which introduce a hardened layer or coating on the surface of the steel to enhance its wear resistance and durability. Each of these methods has its own advantages and can be tailored to suit specific applications and requirements. By combining various strengthening techniques, special steel can be customized to meet a wide range of industrial needs, making it a versatile and reliable material.
- Q: How does special steel contribute to the chemical resistance of products?
- Special steel, also known as stainless steel, contributes significantly to the chemical resistance of products due to its unique composition and properties. These steels contain a high percentage of chromium, which forms a thin, passive oxide layer on the surface of the steel. This oxide layer acts as a protective barrier, preventing corrosive substances from coming into direct contact with the steel and causing chemical reactions. The chromium in special steel forms a stable oxide layer that is highly resistant to corrosion, even in harsh chemical environments. This oxide layer is self-repairing, meaning that if it is damaged or scratched, it will quickly reform and continue to protect the steel. Additionally, the presence of other alloying elements such as nickel and molybdenum further enhances the chemical resistance of special steel. The chemical resistance of special steel extends to a wide range of corrosive substances, including acids, alkalis, and salts. This makes it highly suitable for applications in various industries such as chemical processing, pharmaceuticals, food processing, and marine environments. By using special steel in the manufacturing of products, the risk of chemical degradation and corrosion is significantly reduced. This leads to increased product lifespan, improved performance, and reduced maintenance costs. Furthermore, it ensures that the integrity and safety of the products are maintained, as chemical resistance is crucial in preventing leaks, contamination, and structural failures. In summary, special steel contributes to the chemical resistance of products by forming a protective oxide layer on its surface, which shields it from corrosive substances. Its unique composition and properties make it highly resistant to chemical degradation, ensuring the longevity and reliability of products in various industrial applications.
- Q: How does special steel contribute to the construction industry?
- Special steel contributes to the construction industry by providing high-strength and durable materials that are essential for building structures that can withstand extreme conditions, such as earthquakes, high winds, and heavy loads. Its unique properties, such as corrosion resistance, heat resistance, and ability to be molded into various shapes, enable the construction of safer and more efficient buildings, bridges, and other infrastructure projects. Additionally, special steel offers cost-effective solutions by reducing the need for maintenance and repairs, thus extending the lifespan of structures and ensuring long-term sustainability in the construction industry.
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Reinforcing Steel Rebar Bs4449 Grade 460B
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 130 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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