Bs4449 500B Reinforcing Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 140 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Bs4449 500B Reinforcing Steel Rebar
Description of Bs4449 500B Reinforcing Steel Rebar
1, Diameter: 5.5mm-10mm Bs4449 500B Reinforcing Steel Rebar
10m- 40mm Bs4449 500B Reinforcing Steel Rebar
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 Bs4449 500B Reinforcing Steel Rebar
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 Bs4449 500B Reinforcing Steel Rebar
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: How does special steel contribute to reducing material waste?
- Special steel contributes to reducing material waste through its exceptional properties and capabilities. Firstly, special steel is highly durable and has a longer lifespan compared to other materials, allowing for extended use before replacement or repair is needed. This reduces the amount of waste generated from frequent replacements. Additionally, special steel can be recycled and reused multiple times without losing its quality or performance. This promotes a circular economy by minimizing the need for raw materials extraction and reducing the overall waste generated from manufacturing processes. Furthermore, special steel's versatility and strength enable the creation of lighter and more efficient products, resulting in reduced material consumption. By utilizing special steel in various industries, we can significantly contribute to the reduction of material waste and promote a more sustainable approach to resource management.
- Q: How is case-hardening steel used in the production of gears and camshafts?
- Case-hardening steel is used in the production of gears and camshafts to enhance their surface hardness and durability. The process involves heating the steel to a specific temperature and then rapidly cooling it, creating a hard outer layer while maintaining a tough and ductile core. This hardened surface allows gears and camshafts to withstand the high levels of stress, friction, and wear they experience during operation, resulting in improved performance, longevity, and reliability.
- Q: Can special steel be used in the sporting goods manufacturing industry?
- Yes, special steel can be used in the sporting goods manufacturing industry. Special steel, with its unique properties such as high strength, durability, and corrosion resistance, can be utilized for producing various sporting goods like golf clubs, tennis rackets, bike frames, and baseball bats. These steels can enhance performance, improve longevity, and provide better control and accuracy in sports equipment.
- Q: What are the properties of free-cutting steel?
- Free-cutting steel is a type of steel that is specifically designed to enhance machinability, making it easier to cut and shape with minimal effort. It possesses certain properties such as high sulfur content, which promotes the formation of manganese sulfide inclusions, improving chip formation during machining. It also typically contains elements like phosphorus, lead, or bismuth, which act as lubricants and reduce friction during cutting operations. Additionally, free-cutting steel has excellent surface finish, good dimensional accuracy, and high production efficiency, making it widely used in industries where machining speed and efficiency are crucial.
- Q: How does high-speed steel perform in high-temperature cutting operations?
- High-speed steel performs well in high-temperature cutting operations due to its exceptional heat resistance and ability to retain hardness at elevated temperatures. This enables it to maintain its cutting efficiency, withstand thermal stress, and resist deformation, resulting in improved tool life and productivity.
- Q: How does special steel contribute to the tool manufacturing industry?
- Special steel plays a crucial role in the tool manufacturing industry by providing enhanced strength, durability, and wear resistance to tools. This type of steel is specifically designed to withstand extreme conditions and heavy usage, allowing tools to perform efficiently and last longer. With its unique properties, special steel enables the production of high-quality, precision tools that can handle demanding tasks in various industries, ultimately enhancing productivity and ensuring safety for workers.
- Q: Can special steel be used in the production of springs for automotive suspension?
- Yes, special steel can be used in the production of springs for automotive suspension. Special steel, such as high-strength or alloy steel, is often preferred for its improved durability, strength, and resistance to fatigue. These properties are critical for springs in automotive suspension systems, as they need to withstand the constant stress and load of the vehicle's weight and provide a smooth ride.
- Q: How does special steel perform in extreme pressure conditions?
- Special steel offers exceptional performance in conditions of extreme pressure, thanks to its unique composition and manufacturing process. It possesses high strength, durability, and resistance to deformation, which make it ideal for applications involving extreme pressures. Under extreme pressure, special steel maintains its structural integrity without significant deformations. This is possible due to its impressive tensile strength, allowing it to withstand tremendous forces without breaking or bending. Furthermore, the hardness and toughness of special steel enable it to resist wear and damage caused by intense pressure. In addition, special steel exhibits excellent heat resistance, which is vital in extreme pressure situations where elevated temperatures are common. Its ability to withstand high temperatures without compromising its mechanical properties ensures its dependability and effectiveness even in the most demanding circumstances. Moreover, the corrosion resistance properties of special steel are outstanding, making it suitable for use in extreme pressure environments where exposure to corrosive substances is a concern. Its resistance to oxidation and other chemical reactions prevents deterioration or weakening, guaranteeing long-term performance and reliability. Overall, special steel excels in extreme pressure conditions due to its high strength, durability, resistance to deformation, heat resistance, and corrosion resistance. These characteristics make it a reliable and efficient choice for various industries and applications that operate in extreme pressure environments, including oil and gas exploration, aerospace, automotive, and heavy machinery manufacturing.
- Q: What are the different methods for annealing special steel?
- There are several methods for annealing special steel, each designed to achieve specific results and properties. Some of the most commonly used methods include: 1. Full annealing: This method involves heating the steel to a temperature above its critical temperature and holding it there for a specific duration of time. It is then slowly cooled to room temperature. Full annealing helps to achieve maximum softness and improve ductility, making the steel easier to machine and work with. 2. Isothermal annealing: In this method, the steel is heated to a temperature above its critical temperature and then immediately transferred to a furnace or chamber where it is held at a constant temperature. This allows for controlled cooling, resulting in a homogeneous and fine-grained microstructure. Isothermal annealing is particularly useful for reducing distortion and improving dimensional stability in complex-shaped parts. 3. Spheroidize annealing: This method is commonly used for high-carbon steels. It involves heating the steel to a temperature just below its critical temperature and holding it there for an extended period. This promotes the formation of spheroidized carbides, which improves machinability and reduces brittleness. 4. Process annealing: This method is typically employed to relieve internal stresses and reduce hardness in cold-worked steel. The steel is heated to a temperature below its critical temperature and then cooled in still air. Process annealing helps to restore ductility and improve formability. 5. Stress-relief annealing: This method is used to alleviate residual stresses in the steel, often caused by welding or machining processes. The steel is heated to a temperature below its critical temperature and then slowly cooled. Stress-relief annealing helps to minimize distortion and prevent cracking. It is important to note that the specific annealing method used for special steel will depend on factors such as the composition of the steel, desired mechanical properties, and the intended application of the material.
- Q: What is the role of alloying elements in special steel?
- The role of alloying elements in special steel is crucial as their addition enhances the properties and characteristics of the steel. These elements are added in specific quantities and combinations to impart desirable traits such as increased strength, improved corrosion resistance, enhanced hardness, and superior heat resistance. One of the most common alloying elements used in special steel is chromium. Chromium helps in increasing the steel's resistance to corrosion and oxidation, making it suitable for applications in harsh environments. Additionally, it improves the steel's hardness and wear resistance. Another important alloying element is nickel. Nickel increases the steel's toughness, ductility, and strength, making it ideal for applications that require high strength and resilience. It also enhances the steel's resistance to corrosion and improves its ability to withstand high temperatures. Molybdenum is often used as an alloying element in special steel to enhance its strength, hardness, and toughness. It also improves the steel's resistance to corrosion and high-temperature environments. Manganese is another alloying element that contributes to the steel's strength, hardness, and wear resistance. Other alloying elements like vanadium, tungsten, and cobalt are used to further enhance specific properties of special steel. Vanadium, for example, improves the steel's strength, toughness, and wear resistance. Tungsten increases the steel's hardness, strength, and high-temperature resistance. Cobalt enhances the steel's magnetic properties, strength, and resistance to wear and corrosion. In summary, the role of alloying elements in special steel is to improve its properties and performance, making it suitable for specialized applications. By carefully selecting and incorporating these elements, manufacturers can tailor the steel to meet specific requirements, ensuring optimal performance in various industries such as aerospace, automotive, construction, and oil and gas.
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Bs4449 500B Reinforcing Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 140 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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