HIGH QUALITY HOT ROLLED STEEL REBARBS STANDARD
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
Specifications of Hot Rolled Steel Rebar:
The production process of Steel Rebar
1-Waling beam furnace 2-Roughing rolling group 3-Intermediate rolling train
4-Finishing rolling group 5-Water-cooling device 6-Walking beam cooler
7-Finishing equipment(including the cold scale shear,short feet collection system,
automatic counting device,bundling machine, collect bench)
Usage and Applications of Hot Rolled Steel Rebar:
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 Hot Rolled Steel Rebar:
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 terms: TT payment in advance or Irrevocable LC at sight.
Trade terms :FOB, CFR, CIF
Label:to be specified by customer, generally, each bundle has 1-2 labels
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
- Q: Are steel rebars suitable for earthquake-resistant structures?
- Yes, steel rebars are suitable for earthquake-resistant structures. Steel rebars provide excellent tensile strength and reinforcement to concrete structures, making them more resistant to the lateral forces and vibrations caused by earthquakes. They help to distribute and absorb the energy generated during seismic events, enhancing the overall structural integrity and reducing the risk of collapse. Steel rebars have been widely used in earthquake-prone areas and are considered a reliable choice for ensuring the safety and stability of buildings and infrastructure during earthquakes.
- Q: How do steel rebars affect the overall structural stability during construction?
- The overall structural stability during construction is greatly influenced by steel rebars. These reinforcement bars are typically embedded within concrete structures to provide additional strength and support. Their presence helps to distribute the load evenly across the entire structure, minimizing the risk of failure and increasing stability. One of the main advantages of steel rebars is their high tensile strength. While concrete is strong in compression, it is weak in tension. Steel rebars compensate for this weakness by resisting tensile forces. By reinforcing the concrete with steel rebars, the structure becomes more resistant to cracking and deformation, ensuring its durability and longevity. Furthermore, the use of steel rebars improves the ductility of the structure. Ductility refers to a material's ability to undergo deformation without breaking. During earthquakes or other external forces, steel rebars allow the structure to flex and absorb energy, reducing the risk of catastrophic failure. This ultimately enhances the stability and safety of the construction. In addition, steel rebars enhance the structural integrity of the construction by preventing the propagation of cracks. When cracks occur in the concrete, steel rebars provide a path for stress transfer, preventing the cracks from spreading and compromising the overall stability of the structure. Moreover, steel rebars contribute to the structural stability by reinforcing critical areas of the construction, such as columns, beams, and slabs. These elements experience significant loads and stresses, and the presence of steel rebars ensures their ability to withstand these forces, preventing collapse or structural failure. To summarize, steel rebars have a significant impact on the overall structural stability during construction. They enhance the tensile strength of concrete, improve ductility, prevent crack propagation, and reinforce critical areas of the structure. Their incorporation ensures that the construction can withstand various loads, external forces, and environmental conditions, providing a robust and stable building that meets safety standards and regulations.
- Q: 10 less than three rebar refers to the rebar?
- Because of the mechanical properties, three grade steel buckling point is higher, in order to increase the concrete and steel reinforcement force, so add rib (add thread)
- Q: Are there any safety concerns related to handling steel rebars?
- Yes, there are safety concerns related to handling steel rebars. Some of the potential hazards include cuts and punctures from sharp edges, strains and sprains from lifting heavy rebars, and potential injuries from falling rebars if they are not properly secured. It is important to wear appropriate personal protective equipment, use proper lifting techniques, and ensure secure storage and handling to minimize the risks associated with steel rebars.
- Q: What are the guidelines for the proper curing of concrete with steel rebars?
- The proper curing of concrete with steel rebars requires adherence to the following guidelines: 1. Moisture: To ensure proper hydration and strength development, it is necessary to maintain moisture during the curing process. However, excessive moisture should be avoided when curing concrete with steel rebars to prevent corrosion and damage. Therefore, it is important to strike a balance between providing sufficient moisture and preventing the accumulation of standing water around the rebars. 2. Covering: During the pouring process, it is crucial to adequately cover the steel rebars with concrete to protect against corrosion. The thickness of the cover should meet the design specifications to ensure adequate strength and durability. 3. Curing time: The curing time for concrete with steel rebars is typically longer than that of plain concrete. This is due to the need for the steel to bond with the concrete and achieve proper adhesion. The recommended curing period may vary depending on factors such as ambient temperature, humidity, and the specific type of steel used. It is important to refer to the project specifications or consult with a structural engineer to determine the appropriate curing time for the specific application. 4. Temperature control: Temperature control is essential during the curing process to ensure uniform hydration and prevent thermal stress. Rapid temperature changes can lead to cracking and compromise the integrity of the concrete. Therefore, it is important to protect the concrete from extreme temperature variations and provide insulation or shading as necessary. 5. Protection from external elements: Concrete with steel rebars must be safeguarded against external elements that can cause damage or corrosion. This includes protection from chloride ions, carbonation, and chemicals. Additional protection can be provided by applying suitable surface coatings or sealants. 6. Inspection and maintenance: Regular inspection and maintenance are vital for ensuring the long-term durability of concrete with steel rebars. It is important to monitor for signs of corrosion, cracking, or deterioration and take appropriate action promptly. This may involve repairing damaged areas, applying protective coatings, or implementing measures to prevent corrosion. By following these guidelines, the proper curing of concrete with steel rebars can be achieved, resulting in a construction material that is structurally sound and durable, capable of withstanding the test of time.
- Q: How are steel rebars classified based on their yield strength?
- Steel rebars are classified based on their yield strength into different grades or classes, such as Grade 40, Grade 60, and Grade 75. The yield strength represents the amount of stress a rebar can withstand before it starts to deform permanently. Higher yield strength rebars can bear greater loads and are therefore used in applications that require stronger reinforcement.
- Q: What is the role of steel rebars in preventing cracks in concrete structures?
- Steel rebars are an essential component in the prevention of cracks in concrete structures. Their role involves reinforcing the concrete, thereby increasing its overall strength and durability. Initially, concrete possesses strong compressive strength but lacks the ability to withstand tension forces, making it susceptible to cracking. To address this weakness, steel rebars are embedded within the concrete. These rebars serve as a framework, effectively distributing and absorbing tensile forces that would otherwise lead to cracks in the concrete. In essence, when the concrete experiences tension, the rebars bear the load and assist in redistributing the forces, effectively preventing the formation or spread of cracks. Furthermore, the presence of steel rebars significantly enhances the structural integrity of the concrete by fortifying its resistance to bending, shear, and other forms of stress. This reinforcement is particularly crucial in large concrete structures such as buildings, bridges, and dams, as it ensures their stability and longevity. In addition to their role in preventing cracks caused by tension, steel rebars also play a critical role in mitigating cracks resulting from temperature changes and shrinkage. Concrete tends to expand and contract due to fluctuations in temperature, which can lead to cracking if not adequately controlled. By providing restraint, steel rebars help regulate these movements, minimizing the potential for cracks. Overall, steel rebars are instrumental in improving the concrete structures' ability to resist cracking. They not only reinforce the concrete and enhance its tensile strength but also aid in the distribution and control of forces that may cause cracks. By effectively preventing cracks, steel rebars contribute to the long-term durability and safety of concrete structures.
- Q: Does the grade three thread steel with "E" have the same information price as the ordinary three grade thread steel? Is there a big difference?
- As far as I know, the price of information may not be divided into "E" and "E", but there are mandatory requirements on the standard. It is estimated that the price will not be much different.
- Q: What are the guidelines for proper anchoring of steel rebars in concrete structures?
- For the structural integrity and stability of the construction, it is crucial to properly anchor steel rebars in concrete structures. Here are the guidelines for proper anchoring: 1. Embedment length: To ensure sufficient bond strength, the rebars should be embedded in the concrete for a specific length. The required embedment length depends on factors such as rebar diameter, concrete strength, and load conditions, as specified in the design. 2. Lap length: When joining two rebars, a minimum lap length is necessary for reinforcement continuity. The lap length is determined by the rebar diameter, concrete strength, and structural design requirements. 3. Concrete cover: To safeguard the rebars from corrosion and fire, adequate concrete cover should be provided. The concrete cover is the distance between the outer surface of the rebars and the nearest concrete surface. It depends on factors like environmental conditions, fire resistance requirements, and durability considerations. 4. Spacing and arrangement: The rebars should be appropriately spaced and arranged according to the structural design requirements. The spacing is determined by the structural load and design specifications. Inadequate spacing can compromise the structural strength by providing insufficient reinforcement. 5. Proper positioning: Accurate positioning of rebars is essential, following the design drawings and specifications. They should be placed in the concrete formwork before pouring to achieve the desired structural behavior. Incorrect positioning can result in misalignment or insufficient concrete cover. 6. Mechanical anchorage: Mechanical anchorage devices such as rebar couplers, anchor bolts, or hooks can be utilized to enhance rebar anchoring in concrete structures. These devices provide additional reinforcement and prevent slippage or pull-out of the rebars under load. 7. Quality control: Regular inspection and quality control measures should be implemented to ensure compliance with the anchoring guidelines. This includes checking rebar dimensions and spacing, embedment depth, concrete cover, and ensuring proper installation techniques. It is important to note that these guidelines may vary based on project requirements, local building codes, and design specifications. Therefore, consulting a structural engineer or referring to relevant building codes and standards is essential for specific guidelines applicable to each construction project.
- 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.
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HIGH QUALITY HOT ROLLED STEEL REBARBS STANDARD
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 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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