Reinforced Rebar Steel for Construction building bridge road
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Standard:
AISI,ASTM,JIS,EN
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
HRB400,RHB335
Certification:
ISO,IBR,SGS
Thickness:
6-40mm
Length:
5.8-12M
Net Weight:
1-2 MT
Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar or mesh of steel wires
used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete in tension.
Rebar's surface is often patterned to form a better bond with the concrete.
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
Our service
(1) We cooperate with famous factories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards
of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain
our position as market leader we must continue to add value in all that we do.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: How do steel rebars help in preventing cracks in concrete?
- Steel rebars help in preventing cracks in concrete by providing reinforcement and added strength to the structure. When concrete is poured, it is strong in compression but weak in tension. This means that it can withstand forces that push or compress it, but it is more susceptible to cracking under pulling or bending forces. Steel rebars are embedded within the concrete to counteract this weakness. The rebars act as a framework, distributing the tensile forces throughout the concrete, preventing cracks from forming and spreading. They reinforce the structure, making it more resistant to bending, shearing, and other external forces. Moreover, steel rebars help in preventing cracks by enhancing the overall structural integrity of the concrete. When concrete undergoes shrinkage during the drying and curing process, it tends to crack. However, with the presence of rebars, the tensile forces caused by shrinkage are absorbed by the steel, reducing or eliminating the formation of cracks. In addition, steel rebars can also prevent cracks in concrete by providing resistance against temperature changes and external loads. They help to control the expansion and contraction of the concrete due to temperature fluctuations, minimizing the risk of cracking. Furthermore, rebars reinforce the concrete against heavy loads, such as those caused by traffic or seismic activity, ensuring that the structure remains intact and crack-free. Overall, steel rebars play a crucial role in preventing cracks in concrete by reinforcing the material, distributing forces, absorbing tensile stresses, and enhancing structural integrity. Their presence significantly improves the durability and longevity of concrete structures, making them more resistant to cracking and ensuring their stability over time.
- Q: Are there any health and safety concerns related to steel rebars?
- Yes, there are several health and safety concerns related to steel rebars. Firstly, handling and lifting steel rebars can pose risks of musculoskeletal injuries such as strains, sprains, and back injuries. These rebars are heavy and often require manual handling or the use of heavy machinery, which can increase the risk of accidents and injuries. Secondly, steel rebars are often coated with chemicals to prevent corrosion. These coatings can contain hazardous substances such as toxic metals or volatile organic compounds (VOCs). Exposure to these chemicals through inhaling fumes or direct contact with the skin can lead to health issues, including respiratory problems, skin irritation, and chemical burns. Furthermore, steel rebars are commonly used in construction sites, which can be hazardous environments. Workers may face risks of falling rebars, tripping over them, or being struck by them. Additionally, improper installation or positioning of steel rebars can compromise the structural integrity of the construction, potentially leading to accidents or collapses. To mitigate these health and safety concerns, it is important to provide appropriate training and personal protective equipment (PPE) to workers handling steel rebars. Employers should also enforce proper lifting techniques and safe work practices to prevent musculoskeletal injuries. Adequate ventilation systems and the use of respiratory protection can help in reducing exposure to hazardous chemicals. Lastly, regular inspections and adherence to construction regulations can ensure the proper placement and installation of steel rebars, minimizing the risk of accidents and structural failures.
- Q: What is the difference between steel rebars and FRP rebars?
- Steel rebars are traditional reinforcement bars made of steel, while FRP rebars are reinforced polymer bars. The main difference lies in their composition and properties. Steel rebars are strong and durable, but they are prone to corrosion, requiring regular maintenance. On the other hand, FRP rebars are corrosion-resistant, lightweight, and possess high tensile strength. They also offer better thermal and electrical insulation. However, FRP rebars are relatively new in the construction industry and may be more expensive compared to steel rebars.
- Q: How are steel rebars stored and transported?
- Construction projects commonly use steel rebars, which are also known as reinforcing bars. The purpose of steel rebars in construction is to provide strength and stability to concrete structures. It is vital to properly store and transport steel rebars to maintain their quality and prevent any damage or accidents. Regarding storage, steel rebars are typically kept in a designated area known as a rebar yard or laydown yard. This area should be clean, well-drained, and free from debris or organic materials. To prevent corrosion or contamination, rebars are usually stacked in bundles or placed on elevated racks to avoid contact with the ground. To ensure safety and easy access, rebars should be organized and labeled based on their sizes and grades. This helps construction workers quickly identify and retrieve the required rebars without causing any disruption or delays in the project. When it comes to transportation, steel rebars are commonly loaded onto trucks or trailers for delivery to construction sites. It is crucial to secure the rebars adequately during transportation to avoid any shifting or movement that could damage the rebars or compromise the safety of the vehicle. Depending on their length and quantity, rebars can be transported in various ways. They can be bundled together using wires, straps, or steel bands to keep them in place. Additionally, wooden or metal supports can be used to prevent the rebars from bending or sagging during transit. During transportation, it is important to consider weight restrictions and road regulations to ensure compliance and safety. If rebars need to be transported over long distances, it is essential to coordinate with logistics companies that specialize in handling heavy and oversized cargo. In conclusion, steel rebars are stored in designated areas like rebar yards, where they are stacked, labeled, and protected from corrosion and contamination. During transportation, rebars are secured using wires, straps, or steel bands and loaded onto trucks or trailers. Proper handling and adherence to regulations are crucial to ensure the safety and integrity of the rebars during storage and transportation.
- Q: What is the process of anchoring steel rebars in masonry walls?
- To ensure a secure and reliable connection between the steel reinforcement and the masonry structure, several steps are involved in anchoring steel rebars in masonry walls. Firstly, a detailed design and plan for the reinforcement layout in the masonry wall must be established. This involves determining the spacing, size, and placement of the rebars based on structural requirements. Next, the masonry wall needs to be prepared by cleaning the surface and removing any loose debris or obstructions. This creates a clean and stable base for the rebars. Then, holes are drilled into the masonry wall at predetermined locations according to the reinforcement design. These holes are slightly larger than the diameter of the rebars to allow for easy insertion. After drilling, the holes are cleaned to remove any dust or debris. A bonding agent, such as epoxy or cementitious grout, is then applied to the holes. This enhances the bond between the rebars and the masonry wall. The steel rebars are then inserted into the prepared holes, ensuring alignment according to the reinforcement design. They are pushed into the holes until they reach the desired depth, fully embedding them in the bonding agent. Once the rebars are in place, the bonding agent needs time to cure and harden. The curing time varies depending on the type of bonding agent used and the environmental conditions. It is crucial to follow the recommended curing time to ensure secure anchoring. After the curing process is complete, a thorough inspection is conducted to ensure the rebars are properly anchored and meet the required specifications. This involves checking for proper alignment, depth, and overall stability. By following these steps, the process of anchoring steel rebars in masonry walls provides structural reinforcement and strength to the overall masonry structure. This enhances durability and resistance to various forces and loads.
- Q: How do steel rebars affect the bond strength between concrete and reinforcement?
- Steel rebars play a crucial role in enhancing the bond strength between concrete and reinforcement. The presence of rebars in concrete structures creates a mechanical interlock between the two materials, resulting in a stronger and more durable bond. Firstly, rebars provide a larger surface area for the concrete to adhere to. The rough texture of the steel surface allows the fresh concrete to bond effectively, creating a strong bond. This increased surface area also helps to distribute loads more evenly, reducing stress concentrations and enhancing the overall structural integrity of the concrete. Secondly, rebars act as a load transfer medium, transmitting forces between the concrete and reinforcement. As the concrete experiences tensile forces, which it is inherently weak in resisting, the rebars bear these forces and effectively carry them across the concrete-rebar interface. This prevents cracks from propagating and helps to maintain the overall stability and strength of the structure. Moreover, the presence of rebars helps to control cracking in concrete. As the concrete undergoes shrinkage or temperature variations, it tends to crack. However, with the presence of rebars, these cracks are restricted or minimized. The rebars act as reinforcement, holding the concrete together and preventing crack propagation. Additionally, steel rebars improve the bond strength by providing anchorage. The embedment of rebars into the concrete creates a mechanical connection, preventing the rebar from slipping or pulling out. This anchorage ensures that the bond between the concrete and reinforcement remains intact, even under high loads or external forces. In summary, steel rebars significantly enhance the bond strength between concrete and reinforcement. They provide a larger surface area for adhesion, act as load transfer mediums, control cracking, and offer anchorage, ensuring a stronger and more durable bond. Their presence contributes to the overall stability and longevity of concrete structures.
- Q: How are steel rebars used in the construction of oil and gas refineries?
- Steel rebars are used in the construction of oil and gas refineries as they provide strength, stability, and durability to the structures. These rebars are typically embedded in concrete foundations and reinforced concrete structures to enhance their load-bearing capacity and resistance against seismic activity. They ensure the integrity and safety of the refinery by reinforcing critical components such as columns, beams, walls, and slabs, making them capable of withstanding the heavy loads and harsh environmental conditions associated with refinery operations.
- Q: What are the safety measures to consider while handling steel rebars?
- To minimize the risk of accidents or injuries when working with steel rebars, it is important to consider several safety measures: 1. Personal Protective Equipment (PPE): Always wear the necessary PPE, such as safety glasses, steel-toe boots, gloves, and a hard hat. These items will protect you from potential hazards like falling rebars, sharp edges, or flying debris. 2. Proper Lifting Techniques: Use proper lifting techniques to avoid straining your back or causing injury. Bend your knees, keep your back straight, and lift with your leg muscles instead of your back. 3. Secure Storage: Store steel rebars in a secure and organized manner to prevent them from falling or rolling onto someone. Stack them stably and use support structures if needed. 4. Communication and Signage: Maintain clear communication among workers involved in rebars handling. Use hand signals or verbal cues to prevent accidents. Additionally, place safety signs or warning labels in the area to indicate potential hazards or restricted access. 5. Appropriate Tools and Equipment: Use tools and equipment specifically designed for handling steel rebars. This may include lifting clamps, rebars benders, or cutting tools. Regularly inspect and maintain these tools to ensure proper functioning. 6. Inspection and Removal of Defective Rebars: Before using steel rebars, inspect them for defects such as cracks, rust, or damage. Remove and replace any defective rebars to ensure the structural integrity. 7. Secure Work Area: Keep the work area clean and free from clutter to prevent tripping hazards and allow for easy maneuvering. Ensure sufficient lighting and remove any obstacles or potential hazards. 8. Training and Supervision: Provide proper training to workers involved in rebars handling, ensuring they are aware of safety protocols and best practices. Regularly supervise their work to identify unsafe practices and provide guidance or corrective actions. By following these safety measures, the risk of accidents and injuries when handling steel rebars can be significantly reduced, resulting in a safer work environment.
- Q: How do steel rebars affect the overall construction cost of commercial buildings?
- The overall construction cost of commercial buildings can be significantly affected by steel rebars. These rebars, commonly used to reinforce concrete structures, play a vital role in guaranteeing the building's strength and durability. To begin with, the cost of steel rebars can directly impact the construction budget. Their price varies depending on market conditions and availability, and since they are an essential component in construction, their cost can directly affect the project's expenses. Additionally, the installation of steel rebars adds to the construction cost by requiring skilled labor and specialized equipment. Skilled ironworkers are necessary to accurately place the rebars according to the structural design. The labor cost associated with this skilled work can constitute a significant portion of the overall construction budget. Furthermore, the cost is also influenced by the quantity and density of steel rebars used in the construction. The structural engineer determines the necessary amount and spacing of rebars based on the building's design and load-bearing capacities. In certain cases, more rebars are needed to meet specific safety standards or withstand higher levels of stress. This increased quantity of steel rebars inevitably leads to higher material and labor costs. However, it is essential to note that the use of steel rebars is indispensable in commercial buildings to ensure structural integrity and safety. Although they may contribute to the overall cost, their benefits outweigh the expenses. Steel rebars reinforce concrete, enhancing its tensile strength and ability to withstand external forces like earthquakes, wind, and heavy loads. Ultimately, this results in a longer lifespan for the building and reduces the likelihood of expensive repairs or structural failures in the future. In conclusion, the cost of steel rebars impacts the overall construction cost of commercial buildings due to the cost of the rebars themselves, the labor required for installation, and the quantity needed based on the structural design. Nevertheless, the use of steel rebars is crucial to guarantee the strength and durability of the building, reduce long-term maintenance costs, and ensure the safety of occupants.
- Q: Can steel rebars be used in the construction of shopping complexes?
- Shopping complexes can indeed utilize steel rebars in their construction. These rebars are frequently employed as reinforcement in concrete structures, including shopping complexes, owing to their exceptional strength and capacity to bear heavy loads. By providing structural integrity, they bolster the overall robustness and longevity of the building. Furthermore, steel rebars possess corrosion resistance, a vital attribute for structures such as shopping complexes that face diverse weather conditions and extensive foot traffic. Additionally, the utilization of steel rebars permits flexibility in design and construction, empowering architects and engineers to fashion intricate and distinctive structures. In summary, steel rebars are a dependable and extensively utilized material for reinforcing concrete in the construction of shopping complexes.
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Reinforced Rebar Steel for Construction building bridge road
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 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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