Concrete Reinforced Steel Bar Used in Building
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Concrete Reinforced Steel Bar Used in Building
Description of Concrete Reinforced Steel Bar:
1, Diameter: 5.5mm-10mm rounds reinforcing steel bar
10m- 40mm Concrete Reinforced Steel Bar
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 Concrete Reinforced Steel Bar:
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 | ||||
Product Show of Concrete Reinforced Steel Bar:
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.
FAQ:
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 main factors affecting the formability of special steel?
- The formability of special steel, like any other type of steel, is influenced by several factors. These factors include the composition of the steel, its microstructure, mechanical properties, temperature, and strain rate. The composition of special steel plays a crucial role in its formability. The presence of alloying elements, such as chromium, nickel, molybdenum, and vanadium, can significantly affect the steel's ability to be formed. These elements can alter the steel's strength, ductility, and resistance to deformation. The microstructure of special steel is another key factor affecting its formability. Fine-grained steels tend to have better formability compared to coarse-grained steels. The presence of non-metallic inclusions, such as sulfides and oxides, can also influence formability by acting as stress concentrators and promoting crack formation. The mechanical properties of special steel, such as yield strength, tensile strength, and elongation, directly impact its formability. Steels with higher yield strength are generally more difficult to form, as they require greater force to deform. However, steels with high elongation can undergo larger plastic deformation before failure, making them more formable. Temperature is another critical factor affecting the formability of special steel. At elevated temperatures, the steel becomes more ductile and easier to deform. This is due to the reduction in yield strength and increased mobility of dislocations within the crystal structure. However, excessively high temperatures can also lead to grain growth, which negatively impacts formability. The strain rate, or the rate at which deformation is applied to the steel, also affects formability. Higher strain rates can cause strain hardening, where the steel becomes stronger and less formable. Conversely, lower strain rates allow for greater plastic deformation and improved formability. In conclusion, the formability of special steel is influenced by its composition, microstructure, mechanical properties, temperature, and strain rate. Understanding and optimizing these factors is essential for achieving the desired formability and shaping capabilities of special steel in various applications.
- Q: What are the different methods for improving the fatigue strength of special steel?
- There are several methods for improving the fatigue strength of special steel. 1. Heat treatment: One of the most common methods is through heat treatment processes such as annealing, quenching, and tempering. These processes help to refine the microstructure of the steel, reducing the presence of impurities, and improving its fatigue resistance. 2. Surface treatment: Surface treatments like shot peening and nitriding can enhance the fatigue strength of special steel. Shot peening involves bombarding the surface of the steel with tiny metal particles, inducing compression stress in the material, which helps to prevent crack initiation and propagation. Nitriding involves diffusing nitrogen into the surface layer of the steel, forming a hard and wear-resistant nitride layer that enhances the fatigue resistance. 3. Alloying: Alloying special steel with certain elements can significantly improve its fatigue strength. For example, adding chromium, molybdenum, or vanadium can enhance the steel's hardenability and resistance to fatigue. These alloying elements form carbides or nitrides, which act as barriers to crack propagation. 4. Surface coatings: Applying protective coatings like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD) can help improve the fatigue strength. These coatings provide a barrier against environmental factors that may lead to corrosion or surface damage, ultimately enhancing the fatigue life of the steel. 5. Grain refinement: By refining the grain size of the steel through processes like severe plastic deformation or equal channel angular pressing (ECAP), the fatigue strength can be improved. Fine-grained steels have a higher resistance to crack initiation and propagation, resulting in enhanced fatigue properties. 6. Residual stress management: Controlling and managing residual stresses in the steel can improve its fatigue strength. Techniques like stress relieving or shot peening can help to reduce tensile residual stresses, which are detrimental to fatigue resistance. It is important to note that the selection of the most appropriate method for improving fatigue strength depends on the specific requirements, the type of special steel, and the intended application of the material.
- Q: How does special steel contribute to the automotive aftermarket?
- The automotive aftermarket greatly benefits from the inclusion of special steel, as it aids in the advancement and enhancement of various automotive components. This top-notch steel is engineered specifically to possess remarkable strength, endurance, and resistance against wear and tear. One of the primary manners in which special steel contributes to the automotive aftermarket is through the production of performance parts. These parts are crafted to enhance the efficiency and performance of vehicles, catering to the desires and preferences of car enthusiasts. For instance, special steel is utilized in the production of exhaust systems, turbochargers, and intake manifolds, enabling an increase in horsepower and torque, as well as improved fuel efficiency. Furthermore, the production of suspension components, such as coil springs and sway bars, benefits from the usage of special steel. These components provide superior handling and stability, elevating the driving experience and ensuring the safety of both the vehicle and its occupants. Moreover, special steel is essential in the manufacturing of braking systems, encompassing rotors and brake calipers. These components are essential in achieving effective braking and maintaining control of the vehicle. By incorporating special steel, aftermarket brake systems can offer enhanced stopping power, reduced fade, and increased resistance to high temperatures. Additionally, special steel finds application in the production of engine components, including crankshafts, connecting rods, and valve springs. These components endure extreme forces and temperatures, and the exceptional strength and heat resistance of special steel enable them to withstand such conditions, resulting in improved engine performance and longevity. In conclusion, special steel significantly contributes to the automotive aftermarket by aiding in the development of high-performance parts, suspension components, braking systems, and engine components. Its outstanding strength, endurance, and resistance to wear and tear guarantee improved vehicle performance, efficiency, and overall driving experience.
- Q: What are the different international trade regulations for special steel?
- The different international trade regulations for special steel vary depending on the specific country and region. These regulations may include import and export restrictions, tariffs, quotas, anti-dumping measures, quality standards, labeling requirements, and intellectual property rights protection. Additionally, special steel may be subject to specific regulations related to its use in certain industries such as aerospace or automotive. It is important for businesses involved in international trade of special steel to stay updated on these regulations to ensure compliance and smooth operations.
- Q: What industries rely on special steel?
- The exceptional properties and outstanding performance of special steel make it indispensable in several industries. The automotive sector, for instance, heavily relies on special steel for the manufacturing of engine components, suspension systems, gears, and various other parts. Similarly, the aerospace industry extensively utilizes special steel due to its ability to withstand high temperatures, extreme pressure, and provide exceptional corrosion resistance. In the construction industry, special steel plays a crucial role in the production of high-rise buildings, bridges, and infrastructure projects, where strength, durability, and resistance to environmental factors are of utmost importance. The energy sector, including oil and gas, heavily depends on special steel for the production of pipelines, drilling equipment, and storage tanks, as it possesses remarkable mechanical properties and can endure harsh operating conditions. Additionally, special steel is widely used in manufacturing, machinery, defense, and tooling industries for various applications such as molds, cutting tools, and machine components. In summary, special steel is extensively utilized in industries that prioritize superior performance, durability, and reliability in their products and equipment.
- Q: How does special steel contribute to the transportation industry?
- Special steel plays a crucial role in the transportation industry by providing strength, durability, and reliability to various components and structures. It is used in the construction of vehicle bodies, engines, chassis, and suspension systems, ensuring safety and longevity. Additionally, special steel's high resistance to corrosion and fatigue helps extend the lifespan of transportation equipment, reducing maintenance costs and enhancing efficiency. Overall, special steel enhances the performance, efficiency, and safety of vehicles, making it an invaluable material in the transportation industry.
- Q: How is special steel used in the production of injection molds?
- Due to its unique properties, special steel is widely utilized in the manufacturing of injection molds, which play a vital role in the production of various plastic and metal items through the injection molding process. The excellent heat resistance of special steel is one of the main factors behind its preference in injection molds. When the molten material is injected into the mold at high pressure and temperature, special steel can endure these extreme temperatures without warping or losing its shape. This ensures the final product's accuracy and precision. Furthermore, special steel exhibits remarkable hardness and wear resistance. Given that injection molds are subjected to frequent use, wear and tear can occur, leading to dimensional inaccuracies and a decline in product quality. By employing special steel, which is specifically designed to resist wear, the lifespan of injection molds is extended, guaranteeing consistent and high-quality production. Moreover, special steel offers good machinability, enabling the precise fabrication of intricate and complex mold designs. This capability is crucial in the production of molds with intricate geometries and precise details, which is essential for manufacturing complex plastic or metal parts. Additionally, special steel provides a superior surface finish for the molded products. The use of special steel in the creation of injection molds results in smooth and polished surfaces, ensuring that the final products possess a high-quality finish. In conclusion, special steel is extensively utilized in the production of injection molds due to its exceptional heat resistance, hardness, wear resistance, machinability, and surface finish. These properties make it an ideal material for ensuring accurate and precise manufacturing of plastic and metal products through the injection molding process.
- Q: Can special steel be used in the pharmaceutical manufacturing industry?
- Yes, special steel can be used in the pharmaceutical manufacturing industry. Special steel is often chosen for its high corrosion resistance, hygiene, and cleanability properties. It is commonly used in the production of pharmaceutical equipment such as tanks, vessels, valves, and piping systems to ensure the quality and safety of pharmaceutical products.
- Q: How does tungsten contribute to the properties of special steel?
- Tungsten is a critical element that contributes significantly to the properties of special steel. One of the major benefits of tungsten in steel is its ability to enhance strength and hardness. It forms a solid solution with iron, resulting in a fine-grained microstructure that increases the overall toughness and wear resistance of the steel. Additionally, tungsten helps to improve the high-temperature strength of special steel. It has a high melting point and maintains its strength even at elevated temperatures, making it ideal for applications that require resistance to heat and thermal stress. This characteristic allows special steel with tungsten to be used in environments with extreme temperatures, such as in gas turbines, rocket nozzles, and cutting tools. Tungsten also plays a crucial role in improving the corrosion resistance of special steel. It forms stable carbides that protect against corrosion and erosion, making the steel more durable and long-lasting. This is particularly valuable in industries where the steel is exposed to corrosive environments, such as chemical processing, marine applications, and oil and gas exploration. Furthermore, tungsten contributes to the machinability of special steel. It helps in reducing the built-up edge during cutting operations, resulting in improved surface finish and longer tool life. This characteristic is highly advantageous in industries that require precision machining, such as automotive, aerospace, and tool manufacturing. In summary, tungsten is a vital element in special steel as it enhances strength, hardness, high-temperature performance, corrosion resistance, and machinability. Its unique properties make it an indispensable component in the production of high-quality steel used in various industries.
- Q: What are the different applications of stainless special steel?
- Stainless special steel finds various applications in industries like construction, automotive, aerospace, and medical. It is commonly used in the production of surgical instruments, chemical processing equipment, heat exchangers, and food processing machinery. Its corrosion resistance, strength, and ability to withstand high temperatures make it an ideal choice for applications where durability and hygiene are essential.
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Concrete Reinforced Steel Bar Used in Building
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 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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