HIGH QUALITY DIN STANDARD HOT ROLLED STEEL REBAR
- 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: What are the safety precautions while handling steel rebars?
- When handling steel rebars, it is important to follow several safety precautions. Firstly, always wear protective gear such as gloves, safety glasses, and steel-toed boots to prevent injuries. Secondly, ensure a safe and organized work area by keeping the rebars stacked securely and away from heavy machinery or other potential hazards. Thirdly, use proper lifting techniques and equipment, such as cranes or forklifts, to avoid strains or accidents. Additionally, be cautious of sharp edges or protruding ends on the rebars and handle them with care to prevent cuts or punctures. Lastly, always be mindful of others working nearby and communicate effectively to avoid accidents or collisions.
- Q: How do steel rebars affect the overall fire safety of concrete structures?
- The overall fire safety of concrete structures can be affected by steel rebars, both positively and negatively. On the positive side, steel rebars can strengthen the fire resistance of concrete structures. Concrete has low thermal conductivity, which means it doesn't easily conduct heat. However, exposure to fire can cause concrete to crack and lose its integrity. Steel rebars help address this issue by providing additional tensile strength, acting as reinforcement to prevent cracking and collapse under intense heat. On the flip side, steel rebars can pose challenges to fire safety. Steel is a good heat conductor, transferring heat from the fire to other parts of the structure. This can weaken the concrete and compromise overall fire safety. Furthermore, steel rebars can expand under high temperatures, potentially causing more cracking and damage to the concrete. To improve fire safety in concrete structures with steel rebars, several measures can be taken. Applying fire-resistant coatings or fireproofing materials on the rebars can minimize heat transfer to the surrounding concrete. Installing fire-resistant insulation or fire barriers around the rebars can also offer additional protection. Proper design and construction practices, including appropriate spacing and size of rebars, are crucial to maintaining the fire resistance of the concrete structure. In conclusion, steel rebars have a significant impact on the fire safety of concrete structures. While they enhance fire resistance, challenges such as heat transfer and expansion must be addressed. By implementing appropriate measures and construction practices, the negative effects of steel rebars on fire safety can be minimized, resulting in improved fire resistance for concrete structures.
- Q: How do steel rebars affect the thermal properties of a structure?
- The thermal properties of a building or structure can be significantly influenced by steel rebars, which are commonly used in reinforced concrete structures. To begin with, steel rebars have a higher thermal conductivity than concrete. This means that when embedded within concrete, they can serve as thermal bridges, allowing heat to easily transfer through the structure. Consequently, there is increased heat loss during colder months and increased heat gain during warmer months, leading to higher energy consumption for heating and cooling. Additionally, the thermal expansion and contraction of the structure can be affected by steel rebars. Compared to concrete, steel has a higher coefficient of thermal expansion, causing it to expand and contract more with temperature changes. This differential movement between the steel rebars and the surrounding concrete can result in cracks and structural deformations, compromising the overall thermal performance of the structure. Moreover, the moisture behavior of a structure can also be influenced by steel rebars. As previously mentioned, steel has a higher thermal conductivity and electrical conductivity than concrete. This electrical conductivity can promote the corrosion of steel rebars when they come into contact with moisture or water. Consequently, corrosion leads to the formation of rust, which expands and further damages the surrounding concrete. This, in turn, increases moisture ingress, compromising the insulation properties of the structure and potentially causing mold growth and other moisture-related issues. To conclude, steel rebars have direct and indirect impacts on the thermal properties of a structure. They act as thermal bridges, affecting heat transfer, and their differential thermal expansion and corrosion potential can compromise the overall thermal performance and moisture behavior of the structure. Proper design, insulation, and corrosion protection measures should be implemented to mitigate these effects and ensure optimal thermal performance.
- Q: How do steel rebars improve the ductility of a structure?
- Steel rebars improve the ductility of a structure by providing reinforcement and resistance to tension forces. When a structure is subjected to external loads, such as earthquakes or high winds, it experiences tensile stresses which can lead to cracking and failure. However, steel rebars, which are typically made of high-strength steel, are added to concrete structures to enhance their ability to withstand and distribute these forces. The presence of rebars in the concrete increases its tensile strength, allowing it to resist deformation and cracking. When the structure is subjected to tension, the rebars bear the majority of the load, preventing the concrete from failing. This redistribution of forces results in increased ductility, which is the ability of a material to undergo deformation without breaking. Furthermore, steel rebars also enhance the structural integrity of a building by preventing the propagation of cracks. As the concrete cracks under tension, the rebars act as a barrier, limiting the growth of these cracks and preventing them from spreading throughout the structure. This containment of cracks improves the overall resilience of the building, minimizing the risk of catastrophic failure. Overall, steel rebars play a crucial role in improving the ductility of a structure by enhancing the tensile strength, redistributing forces, and limiting crack propagation. By incorporating rebars into concrete, engineers can design and construct structures that are capable of withstanding a wide range of external forces, thereby ensuring the safety and durability of the building.
- Q: Do steel rebars affect the weight of a structure?
- Yes, steel rebars do affect the weight of a structure. Rebars, also known as reinforcing bars, are steel bars used to reinforce concrete structures. When concrete is poured, rebars are embedded within it to provide additional strength and support. Since steel is much denser than concrete, the addition of rebars increases the overall weight of the structure. However, the weight increase is relatively small compared to the benefits gained in terms of structural integrity and load-bearing capacity. Rebars help distribute the load more evenly throughout the structure, making it more resistant to bending, cracking, and collapsing under heavy loads. Therefore, while rebars do add some weight to a structure, the advantages they bring in terms of safety and longevity far outweigh the slight increase in weight.
- Q: Can steel rebars be used in retaining walls?
- Retaining walls can indeed utilize steel rebars. These rebars, also referred to as reinforcing bars, are frequently employed in retaining walls to enhance their strength and reinforcement. Typically, the rebars are embedded in the concrete or masonry structure of the retaining wall, thereby bolstering its structural integrity and fortifying it against forces like soil pressure. By incorporating steel rebars, retaining walls become resistant to cracking, shifting, or collapsing, providing a trustworthy and long-lasting solution for soil retention and erosion prevention.
- Q: How do steel rebars prevent concrete structures from collapsing?
- Steel rebars prevent concrete structures from collapsing by providing reinforcement and strength to the concrete. Concrete is a strong material in compression, meaning it can withstand forces that push or squeeze it together. However, it is weak in tension, meaning it cannot withstand forces that pull it apart. When subjected to tensile forces, concrete can crack and ultimately fail. Steel rebars, or reinforcement bars, are typically placed within concrete structures to counteract these tensile forces and provide additional strength. The rebars are made of high-strength steel and are strategically positioned within the concrete to resist the tensile forces. When external forces, such as wind or seismic activity, act on a concrete structure, the rebars help distribute the load and resist the tension. As the concrete tries to pull apart, the rebars hold it together, preventing cracks from propagating and ensuring the structure remains intact. The rebars also improve the overall durability and longevity of the concrete structure. By reinforcing the concrete, the rebars help reduce the effects of shrinkage and thermal expansion, which can cause cracks over time. This results in a more stable and resilient structure that can better withstand various environmental and structural stresses. Overall, steel rebars play a critical role in preventing concrete structures from collapsing by providing the necessary reinforcement and strength to resist tensile forces. They enhance the structural integrity, durability, and safety of concrete structures, ensuring they can withstand the demands placed upon them and continue to serve their intended purpose for many years.
- Q: What is the length and size of thread steel?
- Steel is known as hot rolled ribbed bar.Specification requirements for threaded steel shall be specified in the import and export trade contract. Generally should include the standard grade (type code), the nominal diameter of steel, nominal weight (quality), the length of the specifications and the allowable difference between the above indicators.
- Q: What is the role of steel rebars in preventing concrete creep?
- The prevention of concrete creep relies heavily on the involvement of steel rebars. Concrete creep is the gradual movement or deformation of concrete over time when subjected to sustained load. This phenomenon occurs due to the long-term stress on the concrete, causing it to slowly deform and creep. To counteract this creep behavior, steel rebars, which are reinforced steel bars, are utilized in concrete structures. They play a significant role in preventing concrete creep by providing tensile strength and reinforcing the structure. When concrete is under a load, it experiences both compressive and tensile forces. While concrete can withstand compressive forces effectively, it is relatively weak in tension. This is where steel rebars come into action. By inserting steel rebars within the concrete, the tensile strength of the structure is greatly improved. Steel possesses high tensile strength, making it an ideal material for bearing the tension experienced by the concrete. As the concrete begins to creep under a sustained load, the steel rebars resist deformation and distribute the tensile forces throughout the structure. The presence of steel rebars restrains excessive deformation of the concrete, thus reducing the potential for long-term creep. By reinforcing the concrete with steel rebars, the structure becomes more resistant to creep and maintains its stability and integrity over time. Additionally, steel rebars enhance the overall durability and structural performance of the concrete. They improve the load-bearing capacity, prevent cracking, and enhance resistance against external forces like earthquakes or environmental factors. In conclusion, the significance of steel rebars in preventing concrete creep lies in their ability to provide tensile strength and reinforce the structure. They resist deformation of the concrete under sustained load, ensuring its stability and long-term integrity. The utilization of steel rebars greatly enhances the durability and structural performance of concrete structures, making them more resistant to creep and other potential issues.
- Q: Can steel rebars be used in the construction of stadiums and arenas?
- Yes, steel rebars can be used in the construction of stadiums and arenas. Steel rebars provide structural reinforcement and enhance the overall strength and durability of concrete structures, making them an ideal choice for large-scale projects like stadiums and arenas.
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HIGH QUALITY DIN STANDARD HOT ROLLED STEEL REBAR
- 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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