Deformed steel bar HPB400;HPB500
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
Specifications of Deformed Steel Bar:
Standard | GB | HRB335, HRB400, HRB500 | |
UK | G460B, B500A, B500B,B500C | ||
USA | GR40, GR60 | ||
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Place of origin | Hebei, China mainland | ||
Application | building,construction,road,bridge etc | ||
Brand name | DRAGON |
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2.00 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
50 | 1964 | 15.42 |
Usage and Applications of Deformed Steel Bar:
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..
Packaging & Delivery of Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
- Q:Can steel rebars be welded or spliced together?
- Yes, steel rebars can be welded or spliced together. Welding is a common method used to join steel rebars together. It involves heating the rebars to a high temperature and then using a welding electrode to melt the steel and create a strong bond between the rebars. Welding is often used in construction projects where a continuous reinforcement is required. Splicing, on the other hand, involves connecting two rebars using mechanical connectors or couplers. These connectors are designed to provide a strong and reliable connection between the rebars. Splicing is often used when rebars need to be extended or when there is a need to join different rebars together. Both welding and splicing methods have their advantages and disadvantages. Welding provides a continuous reinforcement and creates a strong bond between the rebars, but it requires skilled labor and can be time-consuming. Splicing, on the other hand, is quicker and easier to perform, but it may result in a slight reduction in the overall strength of the reinforcement. It is important to note that the use of welding or splicing for steel rebars should comply with the relevant codes and standards, as well as be approved by the structural engineer or the responsible authority.
- Q:How do steel rebars affect the overall sustainability of bridge constructions?
- Steel rebars play a crucial role in enhancing the overall sustainability of bridge constructions. By reinforcing the concrete structure, steel rebars improve the durability and strength of the bridge, allowing it to withstand heavy loads and harsh environmental conditions for an extended period. This increased lifespan reduces the need for frequent repairs or replacements, thereby minimizing resource consumption and waste generation. Additionally, steel rebars can be recycled at the end of their life cycle, reducing the environmental impact associated with their production. Hence, the use of steel rebars contributes to the long-term sustainability of bridge constructions.
- Q:How do steel rebars prevent concrete structures from collapsing?
- Reinforcement and strength are provided to concrete structures by steel rebars, which prevent their collapse. Concrete is capable of withstanding forces that compress or squeeze it, making it a strong material. However, it is not able to withstand forces that pull it apart, resulting in weakness in tension. When subjected to tension, concrete may crack and ultimately fail. To counteract these tensile forces and offer additional strength, reinforcement bars, also known as steel rebars, are typically embedded within concrete structures. These rebars are made of high-strength steel and are strategically placed to resist the pulling forces. When external forces, such as wind or seismic activity, impact a concrete structure, the rebars assist in distributing the load and resisting tension. As the concrete attempts to separate, the rebars hold it together, preventing the propagation of cracks and maintaining the structure's integrity. Additionally, the rebars enhance the overall durability and lifespan of the concrete structure. By reinforcing the concrete, they mitigate the effects of shrinkage and thermal expansion, which can lead to cracks over time. Consequently, a more stable and resilient structure is achieved, capable of withstanding various environmental and structural stresses. In conclusion, steel rebars are crucial in averting the collapse of concrete structures, as they provide the necessary reinforcement and strength to resist tension. They elevate the structural integrity, durability, and safety of concrete structures, ensuring their ability to withstand demands and fulfill their intended purpose for extended periods.
- Q:Can steel rebars be used in the construction of railway tracks?
- Yes, steel rebars can be used in the construction of railway tracks. They are commonly used as reinforcement in the concrete sleepers, which are an integral part of the railway track system. The rebars provide strength and durability to the sleepers, ensuring the stability and longevity of the tracks.
- Q:What is the purpose of steel rebars?
- Steel rebars serve the purpose of reinforcing and strengthening concrete structures. These rebars, also referred to as reinforcing bars, consist of steel rods or wires, which function as tension devices to provide extra strength to the concrete. By being embedded within the concrete, rebars aid in the even distribution of applied loads, thereby preventing the concrete from cracking or failing when under pressure. This reinforcement is particularly crucial in structures like buildings, bridges, and highways, which endure heavy loads or potential stress, as it enhances their durability and structural integrity. Due to their strength, durability, and resistance to corrosion, steel rebars are extensively utilized in construction projects. As an essential component, they ensure the long-term stability and safety of concrete structures.
- Q:Can steel rebars be used in the construction of road bridges or flyovers?
- Steel rebars are indeed applicable in the construction of road bridges or flyovers. Owing to their remarkable strength and durability, they are widely utilized as reinforcement in concrete structures such as bridges and flyovers. By fortifying the concrete, these rebars amplify its structural integrity and load-bearing capacity, making it capable of withstanding heavy traffic loads and enduring the forces encountered by road bridges and flyovers. Furthermore, steel rebars furnish heightened resistance to corrosion, a vital attribute in bridge construction where exposure to environmental factors is prominent. In summary, the utilization of steel rebars guarantees the structural stability, longevity, and safety of road bridges and flyovers.
- Q:How are steel rebars protected from rusting?
- Steel rebars are protected from rusting through a process called corrosion prevention, which typically involves applying a protective coating or using corrosion inhibitors. The most common method is to coat rebars with epoxy or zinc, creating a barrier between the steel and the surrounding environment. Additionally, rebars can be embedded in concrete, which acts as a protective layer, preventing water and oxygen from reaching the steel and causing rust.
- Q:What are the guidelines for repairing or replacing corroded steel rebars in existing structures?
- The guidelines for repairing or replacing corroded steel rebars in existing structures typically involve the following steps: 1. Inspection: Thoroughly assess the extent of corrosion and determine the overall structural integrity of the rebars. 2. Cleaning: Remove loose rust, scale, and other contaminants from the rebars using suitable mechanical or chemical methods. 3. Surface preparation: Abrade the rebars to create a rough surface, ensuring proper adhesion of repair materials. 4. Repair options: Evaluate different repair methods such as patching, cathodic protection, or complete replacement, considering factors like the severity of corrosion, structural design, and cost-effectiveness. 5. Material selection: Choose appropriate repair materials such as epoxy-based coatings, corrosion inhibitors, or carbon fiber wraps based on the specific requirements and compatibility with the existing rebar and surrounding concrete. 6. Repair execution: Follow established industry practices, standards, and manufacturer's instructions while executing the repair work, ensuring proper application and curing of repair materials. 7. Quality control: Conduct regular inspections during and after the repair process to verify adherence to guidelines, assess the quality of workmanship, and ensure the long-term durability and safety of the repaired rebars. It is important to note that these guidelines may vary depending on local building codes, structural conditions, and the expertise of structural engineers or repair professionals involved. Therefore, it is recommended to consult with qualified professionals for specific guidelines tailored to the project at hand.
- Q:How do steel rebars contribute to the overall seismic resistance of a structure?
- Steel rebars contribute to the overall seismic resistance of a structure by providing reinforcement and strength to the concrete elements. The rebars help to distribute and dissipate the energy generated during an earthquake, which helps in reducing the potential damage and ensuring structural integrity. By increasing the ductility and flexural capacity of the structure, steel rebars help to absorb and withstand the seismic forces, making the building more resistant to collapse or significant structural damage.
- Q:Can steel rebars be used in aggressive chemical environments?
- To some extent, aggressive chemical environments can tolerate the use of steel rebars. However, the severity and characteristics of the chemicals present may compromise their performance. In most construction applications, steel rebars are generally resistant to mild to moderate chemical exposures. Nonetheless, in highly aggressive chemical environments with prolonged and intense exposure to corrosive substances like acids, alkalis, or salts, steel rebars may corrode and deteriorate over time. In such instances, alternative materials such as stainless steel rebars or epoxy-coated rebars may be more suitable, as they offer enhanced resistance to corrosion in aggressive chemical environments. It is crucial to consider the specific conditions of the chemical environment and seek guidance from experts or structural engineers to determine the most appropriate rebar material for the given situation. Regular inspections and maintenance are also necessary to monitor the condition of steel rebars and ensure their durability in aggressive chemical environments.
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Deformed steel bar HPB400;HPB500
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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