Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MM
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- China Main Port
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- TT or LC
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Product Description:
OKorder is offering high quality Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MMat great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger
Product Advantages:
OKorder's Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MMare durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
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 begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
- Q: How heavy can a 25 mm thread steel bear?
- 25 thread steel one meter 3.86kg.Method of calculation: 0.00617 times the square of the diameter of the steel bar. The weight of each diameter of the steel bar (kg) can be calculated.
- Q: What are the maintenance requirements for steel rebars in a structure?
- To ensure the stability and longevity of a building, it is crucial to consider the maintenance requirements for steel rebars in its structure. Steel rebars, also referred to as reinforcing bars, are utilized to strengthen concrete structures and withstand tension forces. Here are some important maintenance requirements to bear in mind: 1. Conducting Visual Inspections: Qualified personnel with knowledge and experience in recognizing structural issues should regularly perform visual inspections to identify any signs of corrosion, cracks, or damage in the rebars. 2. Keeping the Rebars Clean: It is necessary to keep the rebars free from debris, dirt, or chemicals that could accelerate corrosion. Employing proper cleaning methods, such as mild detergents and water, is essential to maintain their condition. 3. Protecting Against Corrosion: Steel rebars are prone to corrosion, particularly in environments with high humidity, exposure to saltwater, or chemical pollutants. Applying protective coatings like epoxy or zinc can help prevent or delay corrosion, thereby increasing the lifespan of the rebars. 4. Prompt Repair or Replacement: In the event of severe corrosion, cracks, or damage to any rebars, it is crucial to promptly repair or replace them. Neglecting these issues can compromise the structural integrity of the building and pose safety hazards. 5. Continuous Monitoring: It is advisable to continuously monitor the condition of the rebars to detect any changes or deterioration over time. Advanced techniques such as ultrasonic testing or electrical potential measurements can be utilized to assess the rebars' integrity. 6. Ensuring Proper Drainage: The structure should have proper drainage systems in place to prevent water accumulation and reduce the risk of corrosion in the rebars. Well-designed and well-maintained gutters, downspouts, and waterproofing measures can minimize water exposure. 7. Establishing a Regular Maintenance Schedule: It is crucial to establish a regular maintenance schedule to systematically conduct all necessary inspections, cleaning, and repairs. This aids in early identification of potential issues and enables prompt corrective actions. By adhering to these maintenance requirements, the steel rebars in a structure can be preserved, contributing to the overall safety, durability, and longevity of the building. Regular maintenance not only prevents costly repairs but also ensures the necessary structural integrity for the safety of occupants and the longevity of the structure.
- Q: What are the typical costs associated with using steel rebars in a construction project?
- The typical costs associated with using steel rebars in a construction project can vary depending on several factors. These factors include the size and type of the rebar, the quantity needed, the market conditions, and the location of the project. The cost of steel rebars is usually determined per ton or per linear foot. The price per ton can range from $400 to $600, while the price per linear foot can be anywhere between $0.75 to $1.50. It is important to note that these prices are approximate and can fluctuate based on market demand and availability. Additionally, there may be additional costs involved in the procurement and handling of steel rebars. This can include transportation fees, storage costs, and any necessary equipment or tools required for installation. Other cost considerations may include labor expenses for cutting, bending, and placing the rebars, as well as any reinforcement detailing required by the project's design specifications. These costs can vary depending on the complexity of the project and the skill level of the laborers involved. It is also essential to factor in any potential wastage or scrap material that may occur during the construction process. Proper planning and accurate measurements can help minimize these costs. Overall, the typical costs associated with using steel rebars in a construction project can be significant, but they are necessary for ensuring structural integrity and reinforcement. It is advisable to obtain quotes from multiple suppliers and contractors to ensure competitive pricing and to carefully consider the specific requirements of the project before finalizing the budget.
- Q: How do steel rebars contribute to the overall durability and service life of concrete structures?
- Steel rebars contribute to the overall durability and service life of concrete structures in several ways. Firstly, steel rebars are used in concrete structures to enhance their tensile strength. While concrete is strong in compression, it is relatively weak in tension. By adding steel rebars, which have high tensile strength, to the concrete, the overall strength and load-bearing capacity of the structure are significantly increased. This helps the structure to withstand external forces such as wind, earthquakes, or heavy loads, reducing the risk of structural failure and increasing its overall durability. Secondly, steel rebars play a crucial role in preventing cracking and controlling the propagation of cracks in concrete structures. Concrete has a tendency to shrink and crack when it dries and undergoes temperature changes. The presence of steel rebars helps to distribute these forces and stresses throughout the structure, minimizing the formation and widening of cracks. By restricting crack propagation, the rebars contribute to the overall structural integrity and longevity of the concrete structure. Furthermore, steel rebars provide reinforcement against corrosion. Concrete is highly alkaline, which creates a protective layer around the steel rebars, known as the passivation layer. This layer prevents the steel rebars from rusting and corroding when exposed to moisture or aggressive chemicals. By maintaining the integrity of the rebars, the overall durability and service life of the concrete structure are enhanced. In addition, steel rebars are essential in improving the structural stability and resilience of concrete structures. By providing reinforcement and stiffness to the concrete, they help to distribute and dissipate the applied loads and stresses evenly. This reduces the risk of localized failure and increases the ability of the structure to withstand external forces and deformations. The presence of steel rebars also improves the structural behavior of the concrete, making it more resilient to dynamic forces such as vibrations or impacts. Overall, steel rebars significantly contribute to the overall durability and service life of concrete structures. They enhance the tensile strength of the concrete, prevent cracking and control crack propagation, provide reinforcement against corrosion, and improve the structural stability and resilience. By incorporating steel rebars in concrete construction, engineers can create robust and long-lasting structures that can withstand various challenges and ensure the safety and longevity of the built environment.
- Q: How are steel rebars used in the construction of power plants?
- Due to their strength and durability, steel rebars are widely used in power plant construction. These reinforced steel bars are essential for providing structural support and reinforcement to the concrete components of the power plant. One important application of steel rebars in power plant construction is in the construction of foundations and structural members. These foundations need to be strong and stable to support heavy equipment and machinery, as well as withstand dynamic loads and vibrations. To enhance the structural integrity and resistance to compressive and tensile forces, steel rebars are embedded within the concrete foundation. In addition to foundations, steel rebars are also utilized in the construction of walls, columns, and beams in power plants. These elements play a crucial role in supporting the overall structure and ensuring its stability. By adding steel rebars to the concrete mix, the resulting reinforced concrete components can withstand higher loads and resist cracking or deformation under stress. Furthermore, steel rebars are employed in the construction of containment structures in nuclear power plants. These structures are designed to confine any potential release of radioactive materials in case of accidents or incidents. By incorporating steel rebars into the concrete walls and floors of these containment structures, their strength and resistance to impact and penetration are significantly improved, thus enhancing the safety and security of the power plant. In summary, steel rebars are of utmost importance in power plant construction as they provide reinforcement to concrete elements, ensuring the structural integrity and long-lasting nature of the facility. Their use enhances the strength, durability, and safety of the power plant, enabling it to withstand various operational and environmental conditions.
- Q: What is the lifespan of steel rebars in different environments?
- The lifespan of steel rebars can vary depending on the environment in which they are used. In general, steel rebars have a long lifespan and are highly durable materials. However, different environmental conditions can affect their longevity. In a dry and non-corrosive environment, such as indoors or in a well-maintained building, steel rebars can last for several decades and sometimes even longer. The absence of moisture and corrosive agents helps to preserve the integrity of the steel, minimizing the risk of deterioration. In a marine or coastal environment, where there is constant exposure to saltwater and high humidity, the lifespan of steel rebars may be reduced. The corrosive nature of saltwater can cause the steel to corrode at a faster rate, potentially shortening the lifespan of the rebars. In such environments, special coatings or treatments can be applied to the steel rebars to enhance their corrosion resistance and extend their lifespan. Similarly, steel rebars used in areas with high levels of air pollution or industrial emissions may also experience accelerated corrosion. Airborne pollutants, such as sulfur dioxide or sulfuric acid, can react with the steel and lead to rusting. Regular maintenance and cleaning of the rebars can help mitigate the effects of these corrosive agents and prolong their lifespan. It is important to note that the quality of the steel rebars and the construction practices also play a significant role in determining their lifespan. Using high-quality rebars that meet industry standards and following proper installation techniques can greatly enhance their durability and longevity. Overall, while steel rebars generally have a long lifespan, the specific environment in which they are used will influence how long they can effectively serve their purpose. By considering the environmental factors and taking appropriate measures to prevent corrosion, the lifespan of steel rebars can be maximized, ensuring the safety and longevity of the structures in which they are utilized.
- Q: Can steel rebars be used in the construction of industrial facilities?
- Yes, steel rebars can be used in the construction of industrial facilities. Steel rebars are commonly used in reinforced concrete structures, providing strength and durability to support heavy loads and withstand harsh conditions. They are particularly suitable for industrial facilities that require robust and long-lasting construction materials.
- Q: What are the different types of steel rebars used in foundation constructions?
- There are several types of steel rebars commonly used in foundation constructions, each with its own unique properties and advantages. 1. Mild Steel Rebars: Also known as black bars, these rebars are made from carbon steel and have a low carbon content. They are widely used due to their affordability and versatility. Mild steel rebars are suitable for most general construction projects and offer good strength and durability. 2. High-strength Deformed Steel Rebars (HSD): These rebars have a higher tensile strength compared to mild steel rebars. They are manufactured by twisting the steel at high temperatures, resulting in a deformed surface that provides excellent bonding with concrete. HSD rebars are commonly used in heavy-duty structures where high strength is required, such as bridges and tall buildings. 3. Epoxy-Coated Rebars: These rebars are coated with epoxy resin to provide protection against corrosion. Epoxy coating acts as a barrier between the steel and the surrounding environment, preventing the penetration of moisture and chemicals that can cause rusting. Epoxy-coated rebars are commonly used in areas with high humidity or exposure to corrosive elements, such as coastal regions. 4. Stainless Steel Rebars: These rebars are made from corrosion-resistant stainless steel, typically containing chromium and nickel. Stainless steel rebars offer exceptional resistance to corrosion, making them ideal for structures exposed to aggressive environments or chemicals. They are commonly used in marine constructions, wastewater treatment plants, and areas with high chloride content. 5. Galvanized Rebars: These rebars are coated with a layer of zinc to provide corrosion protection. The zinc coating acts as a sacrificial layer, corroding in place of the steel rebars. Galvanized rebars are widely used in areas with high humidity or exposure to chemicals, such as parking garages, highway structures, and industrial buildings. 6. Welded Wire Mesh: Although not a traditional rebar, welded wire mesh is commonly used in foundation constructions. It consists of interconnected steel wires welded together to form a mesh grid. Welded wire mesh offers reinforcement and helps distribute loads evenly across the foundation. It is often used in slabs, foundations, and retaining walls. Overall, the choice of steel rebars for foundation constructions depends on factors such as the project's requirements, environmental conditions, and budget constraints. It is essential to consider the specific needs of the construction project and consult with structural engineers to determine the most suitable type of steel rebars to ensure a strong and durable foundation.
- Q: Can steel rebars be used in the construction of religious buildings?
- Yes, steel rebars can be used in the construction of religious buildings. In fact, steel rebars are commonly used in various types of construction projects, including religious buildings, due to their strength, durability, and ability to reinforce concrete structures.
- Q: What is the process of threading steel rebars?
- The process of threading steel rebars involves creating threads on the ends of the rebars to allow for easy and secure connection with other rebars or structural elements. This threading process is typically done using a machine called a rebar threading machine. The first step in the process is to prepare the rebars by cutting them to the desired length. Once the rebars are cut, the ends are cleaned to remove any dirt, rust, or debris that may interfere with the threading process. This ensures a smooth and accurate threading operation. Next, the rebar threading machine is set up. The machine consists of a spindle that rotates at a high speed, along with a threading die that is positioned on the spindle. The threading die has grooves and ridges that are designed to cut threads into the rebars. To thread a rebar, one end is inserted into the threading machine, while the other end is held firmly in place. The machine is then started, and the spindle rotates, causing the threading die to cut into the rebar's surface. As the die moves along the rebar, it creates threads by removing small amounts of material. The machine is operated until the desired length of threads is achieved. The length of threads can vary depending on the specific requirements of the project and the type of connection being made. It is crucial to ensure that the threads are cut accurately and consistently to maintain the structural integrity of the rebar connections. Once the threading process is complete, the threaded rebars are inspected to ensure that the threads are clean, free from defects, and meet the required standards. The threaded rebars are then ready to be used in construction projects, where they can be connected to other rebars or structural elements using various methods such as couplers or nuts. In summary, the process of threading steel rebars involves cutting and cleaning the rebars, setting up a rebar threading machine, inserting the rebars into the machine, and using a threading die to cut threads into the rebars. This process ensures that the rebars can be easily and securely connected in construction projects, providing strength and stability to the structures they are used in.
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Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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