GB STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR
- 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: All knowledge about thread steel!
- The grade of thread steel is composed of the minimum value of the yield point of HRB and brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into HRB335 (old No. 20MnSi), HRB400 (20MnSiV, 20MnSiNb, veteran, 20Mnti), HRB500 three brands. Main uses: widely used in housing, bridges, roads and other civil engineering construction.
- Q: How do steel rebars affect the overall fire resistance of a structure?
- Steel rebars can significantly impact the fire resistance of a structure by providing reinforcement and preventing structural failure during a fire. Due to their high melting point, rebars can maintain the integrity of the concrete even when exposed to high temperatures. This helps to delay the onset of structural collapse, providing additional time for occupants to evacuate and firefighters to control the fire. Additionally, rebars can also enhance the load-bearing capacity of the structure, contributing to its overall fire resistance.
- Q: Can steel rebars be used in reinforced masonry walls?
- Reinforced masonry walls often incorporate steel rebars to boost their strength and longevity. It is a common practice to employ steel rebars in the construction of these walls. The rebars are typically inserted into the mortar joints between the masonry units, such as bricks or concrete blocks. They serve to distribute any tensile forces that may arise in the masonry wall as a result of external loads or structural movements. Masonry materials are inherently strong in compression but weak in tension, so the addition of steel rebars helps fortify the structure. By incorporating steel rebars, the reinforced masonry walls become more resistant to lateral forces like wind or seismic loads, thereby reducing the likelihood of cracks or structural failures. Furthermore, the use of steel rebars enhances the overall stability and load-bearing capacity of the masonry wall, making it suitable for a wide array of construction projects.
- Q: How do steel rebars affect the constructability of a project?
- Steel rebars play a vital role in enhancing project constructability in multiple ways. To start, they offer structural strength and stability to reinforced concrete structures. By reinforcing the concrete, rebars help distribute the load more evenly, thus increasing overall project strength and durability. Additionally, steel rebars facilitate the construction of larger and taller structures. They provide the necessary tensile strength to counteract concrete's weakness in resisting tension forces. This empowers engineers and architects to design and build structures with greater flexibility, leading to more innovative and impressive architectural designs. Furthermore, steel rebars contribute to project integrity and safety. They act as a reinforcement against external forces like earthquakes, wind loads, and impacts. By resisting these forces, they enhance structural stability, thus reducing the risk of collapse or damage during extreme conditions. Moreover, steel rebars contribute to project longevity and maintenance. Thanks to their high tensile strength and corrosion resistance, they help extend the structure's lifespan. This, in turn, reduces the need for frequent repairs and replacements, resulting in cost savings and minimal disruption to the project. Additionally, the use of steel rebars simplifies the construction process. They can be easily cut, bent, and shaped to fit specific requirements, making them highly adaptable to various project needs. This flexibility allows for efficient construction, reducing time and effort required for implementation. In conclusion, steel rebars have a significant impact on project constructability by providing strength, stability, flexibility, safety, longevity, and simplification. Their use enables the construction of resilient and visually appealing structures, guaranteeing project success and sustainability.
- Q: How do steel rebars affect the overall acoustics of a building?
- Steel rebars do not significantly affect the overall acoustics of a building. Since rebars are primarily used for structural reinforcement, their presence does not have a noticeable impact on the sound transmission or insulation within a building. Other factors such as wall materials, insulation, and design play a more significant role in determining the acoustics of a space.
- Q: What is the role of steel rebars in column and beam construction?
- Steel rebars play a crucial role in column and beam construction as they provide reinforcement, strength, and stability to the structure. In reinforced concrete construction, columns and beams are typically made of concrete, which is strong in compression but relatively weak in tension. This is where steel rebars come in. Rebars, also known as reinforcing bars, are long steel rods that are strategically placed within the concrete to counteract its weakness in tension. They are typically made of high-strength steel and are designed to withstand the tensile forces that occur in a structure. By adding rebars to the concrete, the resulting composite material can resist both compression and tension, making it much stronger and more durable. In column construction, steel rebars are placed vertically and tied together in a grid-like pattern. This reinforcement helps the column support the weight of the structure and resist vertical loads, such as the weight of the floors or roof above. The rebars also help to prevent the column from buckling or collapsing under these loads. Similarly, in beam construction, steel rebars are placed horizontally within the concrete beam. These rebars help the beam to resist bending and shear forces, which are common in structural elements that span across openings or support loads from above. By providing reinforcement, the rebars ensure that the beam remains stable and can safely bear the imposed loads. Overall, the role of steel rebars in column and beam construction is to enhance the strength, stability, and load-bearing capacity of the structure. They effectively improve the structural integrity of the concrete elements, allowing them to withstand the various forces and loads they will be exposed to throughout their lifespan. Without the presence of rebars, columns and beams would be much weaker and more susceptible to failure, compromising the safety and longevity of the overall structure.
- Q: How are steel rebars used in the construction of dams?
- The construction of dams relies heavily on steel rebars, as they offer the necessary strength and stability to the structure. Dams, which are massive concrete constructions designed to contain water for various purposes like hydroelectric power generation, irrigation, and flood control, greatly benefit from the presence of steel rebars. Steel rebars, also referred to as reinforcing bars, are essential in reinforcing the concrete and enhancing its ability to withstand tension. Although concrete is excellent at withstanding compression, it is relatively weak when it comes to tension. This is where steel rebars come into play, as they are strategically positioned inside the concrete structure to counteract any tensile forces that may lead to cracks or failure. Typically, in the construction of dams, steel rebars are embedded within the concrete in a crisscross manner, forming a network of reinforcement. This configuration helps to evenly distribute the load and resist the immense pressure exerted by the water behind the dam. By reinforcing the concrete, steel rebars ensure that the dam can withstand various forces, including the weight of the water, water pressure, and external factors such as earthquakes. Moreover, steel rebars also serve to prevent cracks from spreading within the concrete. In the event of minor cracks caused by environmental factors or settlement, the rebars act as a barrier, preventing the cracks from expanding and compromising the structural integrity of the dam. To ensure their strength and durability, steel rebars used in dam construction must meet specific standards and specifications. Typically, they are made from high-strength steel capable of withstanding the immense pressures and forces encountered during dam construction. In conclusion, the presence of steel rebars is vital in the construction of dams as they reinforce the concrete, provide the necessary strength and stability, and prevent the propagation of cracks. Their strategic placement and configuration aid in load distribution, tension resistance, and the maintenance of the dam's structural integrity and reliability.
- Q: How do steel rebars impact the durability of concrete structures?
- The durability of concrete structures is significantly influenced by steel rebars. Adding steel rebars improves the strength and overall performance of concrete, making it more resistant to various external forces and extending its lifespan. To begin with, steel rebars offer structural reinforcement to concrete structures. Concrete has relatively low tensile strength, making it susceptible to cracking and failure under tensile stresses. By incorporating steel rebars into the concrete, these stresses are effectively distributed throughout the structure, preventing the formation of cracks and enhancing its load-bearing capacity. This reinforcement ensures that the concrete structure can withstand the forces it experiences, whether from gravity, wind, earthquakes, or other external factors. Additionally, steel rebars play a vital role in corrosion prevention in concrete structures. Concrete is highly alkaline, creating a protective environment for embedded steel. However, factors like moisture exposure, chloride ions, and carbonation can break down this protective layer over time, leading to steel corrosion. Corrosion weakens the rebars and causes the surrounding concrete to crack and spall, compromising the structure's durability. By using steel rebars with appropriate coatings or stainless steel, the risk of corrosion is significantly reduced, enhancing the structure's longevity and durability. Furthermore, steel rebars contribute to the durability of concrete structures by providing dimensional stability. Concrete tends to shrink and expand due to temperature and moisture changes, which can result in cracking and deformation. Incorporating steel rebars helps minimize these movements by providing restraint and stabilizing the structure, preventing excessive cracking and maintaining its integrity over time. In conclusion, steel rebars play a crucial role in enhancing the durability of concrete structures. They provide structural reinforcement, prevent corrosion, and ensure dimensional stability. By incorporating steel rebars into concrete, structures become stronger, more resistant to external forces, and have an extended lifespan. This ultimately leads to safer and more durable buildings and infrastructure.
- Q: What are the guidelines for cutting and bending steel rebars on-site?
- To ensure safety and accuracy when cutting and bending steel rebars on-site, it is essential to adhere to specific guidelines. These guidelines play a crucial role in maintaining the structural integrity of the rebars. Here are some key considerations to keep in mind: 1. Prioritize safety: Before initiating any cutting or bending activities, it is imperative to prioritize safety. This involves wearing appropriate personal protective equipment (PPE) such as goggles, gloves, and steel-toe boots. Additionally, ensure that the work area is free from hazards and that all safety protocols are followed. 2. Utilize appropriate cutting tools: When cutting rebars, it is important to use high-quality cutting tools specifically designed for this purpose. Commonly used manual cutting tools include bolt cutters or hydraulic shears. It is crucial to ensure that the cutting tool is sharp and in good condition to achieve clean cuts. Avoid using torches or heat-based methods, as they can weaken the rebars. 3. Precise measurement and marking: Before cutting, it is essential to measure and mark the rebars accurately according to the required lengths. To ensure accuracy, utilize a measuring tape and a permanent marker. Double-check the measurements to avoid any mistakes that may result in wastage or improper reinforcement. 4. Employ proper bending tools: When bending rebars, it is vital to use appropriate bending tools or machines. These tools ensure accurate bending angles and minimize the risk of rebars breaking or cracking. Adhere to the bending specifications provided by the project engineer or local building codes to ensure compliance. 5. Familiarize with reinforcement requirements: Gain a thorough understanding of the reinforcement requirements by reviewing the project plans, drawings, and specifications. Different projects may have specific guidelines for cutting and bending rebars. It is crucial to adhere to these requirements to ensure correct installation and provide the necessary structural strength. 6. Maintain quality control: Regularly inspect the rebars during the cutting and bending process to verify that they meet the required standards. Look for any signs of damage, cracks, or substandard workmanship. Additionally, ensure that the rebars are appropriately sorted and stored to prevent mix-ups or confusion on-site. 7. Effective waste management: Implement proper waste management practices for the waste generated during the cutting and bending process. Collect and dispose of steel shavings or offcuts in designated containers to prevent injuries or accidents caused by sharp edges. In conclusion, adhering to these guidelines for cutting and bending steel rebars on-site will contribute to the safety, accuracy, and effectiveness of the reinforcement process. When in doubt or faced with specific project requirements, it is advisable to consult experienced professionals or the project engineer.
- Q: How do steel rebars prevent concrete structures from spalling?
- Steel rebars prevent concrete structures from spalling by providing reinforcement and increasing the tensile strength of the structure. When concrete undergoes temperature changes or experiences external forces, it tends to expand or contract, leading to cracking and spalling. However, with the presence of steel rebars, these forces are distributed throughout the structure, preventing the concrete from cracking and breaking apart. The rebars act as a support system, holding the concrete together and ensuring its stability and durability, thus preventing spalling.
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GB STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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