Deformed Steel Bar BS4449 GR.460B GR.B500B
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
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Specifications
Steel rebar
Price: FOB $475-535/MT
Size:6-50mm
Moq: 300tons of each size
Material: BS4449 GR460, ASTM A615, HRB400, HRB500
Steel rebar/deformed steel bar/reinforced steel bar
1.Standard: ASTM,BS,DIN,JIS,BS 4449 GR460B-1997. ASTM A615/706 GR 40/60, GB(HRB400,500)
2.Grade:HRB35, HRB400, HRB500,
3.Diameter:6-50mm
4.Length:6-12m and in coils
5.Place of Origin: Tangshan, China (Mainland)
6.Brand Name: CNBM
7.Material: cabon steel
8.Color: black
9.Packing: bundles or as per the buyers' requirement.
10. Minimum Order Quantity: 500 MTS as per size.
11. Payment terms: TT or LC at sight.
12. Delivery time: within 25-30 days after down payment or L/C received.
13. Application: Construction,Bridge Building, Road Building
- Q: What are the common myths and misconceptions about steel rebars?
- Addressing the importance of dispelling myths and misconceptions surrounding steel rebars is necessary for a better comprehension of their properties and applications. One prevalent myth is the ease with which steel rebars rust. Although steel can rust, rebars are typically manufactured using corrosion-resistant materials, such as epoxy-coated or galvanized steel. These coatings form a protective layer that prevents rusting, resulting in rebars that are highly durable and long-lasting, even in harsh environments. Another misconception is that larger rebars always offer stronger reinforcement. While the size or diameter of a rebar does contribute to its strength, it is not the sole determining factor. The quality or grade of the steel used, as well as its proper positioning within the concrete structure, are equally significant. Engineers meticulously calculate the necessary strength and spacing of rebars based on the specific load and structural requirements. Some individuals hold the belief that steel rebars are exclusively utilized in extensive construction projects. However, rebars are commonly employed in various construction applications, ranging from residential buildings to bridges and highways. Their versatility and strength make them indispensable components in reinforcing concrete structures of all sizes. There is also a misconception that steel rebars heighten the risk of electrical conductivity. While steel is an electricity conductor, the presence of rebars within a concrete structure does not significantly increase the likelihood of electrical hazards. Concrete acts as an insulator, and rebars are typically encased within it, thereby reducing the chances of contact with electrical currents. Finally, there exists a myth that steel rebars are expensive and unaffordable for most construction projects. In reality, the cost of rebars varies depending on factors such as grade, size, and quantity required. There are numerous options available to accommodate different budgets and project needs. Furthermore, the longevity and durability of steel rebars make them a cost-effective choice in the long term. In conclusion, dispelling myths and misconceptions surrounding steel rebars is crucial. Understanding their corrosion resistance, the role of size and placement, their versatility, the risks associated with electrical conductivity, and their cost-effectiveness will enable informed decision-making when it comes to reinforcing concrete structures.
- Q: How do steel rebars contribute to the overall seismic performance of a structure?
- Steel rebars contribute to the overall seismic performance of a structure by providing reinforcement and strength. The rebars are embedded in concrete, creating a composite material that enhances the structural integrity and resistance to seismic forces. They help to distribute the applied loads more evenly, absorb and dissipate energy during earthquakes, and prevent the concrete from cracking or failing under stress. Overall, steel rebars significantly improve the resilience and safety of structures in seismic events.
- Q: Can steel rebars be used in structures with limited accessibility?
- Yes, steel rebars can be used in structures with limited accessibility. Steel rebars are commonly used in reinforced concrete structures to provide strength and durability. They are versatile and can be easily transported and installed even in areas with limited accessibility. In such situations, steel rebars can be cut, bent, and assembled on-site to fit the specific requirements of the structure. Additionally, steel rebars can be prefabricated off-site and then transported to the construction site, allowing for easier handling and installation in areas with restricted access. This makes steel rebars a suitable choice for structures in remote locations or areas with limited space.
- Q: How do steel rebars prevent concrete structures from spalling?
- The reinforcement and increased strength provided by steel rebars prevent spalling in concrete structures. Spalling occurs when the concrete surface cracks and breaks off due to internal pressure from factors like temperature changes, moisture, or structural loads. When steel rebars are embedded in the concrete, they act as a support system that evenly distributes applied loads throughout the structure. This prevents localized stress concentrations, which can cause spalling, by absorbing and dissipating the load. By reinforcing the concrete, rebars enhance its ability to withstand external forces and improve its tensile strength. Furthermore, steel rebars help control crack formation in the concrete. Concrete is a brittle material with low tensile strength, making it prone to cracking under stress. However, rebars hinder crack propagation by bridging them and transferring the stress to the surrounding concrete. This prevents the cracks from spreading and results in a more durable and resilient structure. Additionally, steel rebars protect against corrosion. Concrete's natural alkalinity forms a protective layer on the steel surface, preventing rusting. This alkaline environment acts as a barrier against corrosion, ensuring the rebars maintain their structural integrity over time. By avoiding corrosion, the rebars can continue to reinforce the concrete and prevent spalling. In conclusion, steel rebars are essential in preventing spalling in concrete structures by providing reinforcement, improving tensile strength, controlling crack formation, and protecting against corrosion. They enhance the stability and durability of the concrete, allowing it to withstand external pressures and maintain its integrity for an extended period.
- Q: How do steel rebars affect the overall maintenance requirements of a structure?
- The overall maintenance requirements of a structure are greatly influenced by steel rebars. These rebars have a significant impact on the strength, durability, and longevity of a building. Their primary function is to reinforce concrete, providing additional stability and strength to the structure. By absorbing and distributing tensile forces in the concrete, rebars help prevent cracking and structural failure. When it comes to maintenance, the presence of steel rebars can greatly reduce the need for repairs and maintenance activities. Their high tensile strength enhances the structural integrity of a building, making it more resistant to external forces like seismic activity, wind loads, and heavy loads. This increased strength minimizes the occurrence of cracks, deformations, and other structural issues that could require expensive repairs. Additionally, steel rebars contribute to the overall durability of a structure. They have a high resistance to corrosion, which is a major concern for the maintenance of concrete structures over time. Corrosion of rebars can lead to concrete spalling, cracking, and other forms of deterioration. However, using steel rebars with appropriate protective coatings can effectively prevent or minimize the corrosion process, reducing the maintenance requirements associated with corrosion-related issues. Furthermore, steel rebars are relatively easy to inspect and monitor for potential maintenance needs. Regular inspections can identify any signs of corrosion, damage, or misalignment of the rebars. Detecting these issues early allows for timely repairs or remedial actions, preventing further deterioration and extending the lifespan of the structure. To summarize, steel rebars have a positive impact on the overall maintenance requirements of a structure. They enhance structural integrity, durability, and resistance to external forces, reducing the frequency and extent of maintenance activities. Moreover, their corrosion resistance and ease of inspection contribute to the long-term maintenance and preservation of the structure.
- Q: What are the different types of steel rebars used in railway construction?
- There are primarily two types of steel rebars used in railway construction: plain carbon steel rebars and epoxy-coated rebars. Plain carbon steel rebars are commonly used due to their high strength and durability. Epoxy-coated rebars, on the other hand, are used in areas prone to corrosion, as the epoxy coating provides an additional layer of protection against moisture and other corrosive elements.
- Q: How do steel rebars perform in corrosive environments?
- Steel rebars perform well in corrosive environments due to their inherent resistance to corrosion. The presence of a protective oxide layer on the surface of the steel helps prevent direct contact with corrosive elements. However, in highly aggressive conditions, such as exposure to saltwater or acidic environments, rebars may still be susceptible to corrosion over time. Therefore, appropriate measures, like the use of protective coatings or stainless steel rebars, should be considered for enhanced durability in such environments.
- Q: Can steel rebars be used in structures with limited foundation support?
- Steel rebars are suitable for structures with limited foundation support. They are frequently employed as reinforcement in concrete structures to augment their strength and longevity. In situations where the foundation support is insufficient, steel rebars aid in distributing the load evenly across the structure, thereby reducing the strain on the foundation. Moreover, incorporating steel rebars can enhance the overall stability of the structure. It is crucial, however, to emphasize that a qualified engineer should be responsible for designing and placing the rebars in order to ensure their seamless integration into the structure and their ability to effectively bear the load.
- Q: Are steel rebars easy to handle and transport?
- Yes, steel rebars are generally easy to handle and transport due to their relatively small size and shape. They are lightweight and can be easily lifted and moved using appropriate tools and equipment. Additionally, their durability and strength make them suitable for transportation without the risk of damage or deformation.
- Q: Can steel rebars be used in wastewater treatment plants?
- Yes, steel rebars can be used in wastewater treatment plants. Steel rebars are commonly used as reinforcement for concrete structures, including those found in wastewater treatment plants. The rebars provide strength and durability to the structures, ensuring they can withstand the harsh environments and corrosive nature of wastewater. However, it is important to select the appropriate grade of steel rebars that are resistant to corrosion caused by the chemicals present in wastewater.
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Deformed Steel Bar BS4449 GR.460B GR.B500B
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 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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