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:Can steel rebars be used in offshore oil and gas platforms?
- Yes, steel rebars can be used in offshore oil and gas platforms. They are commonly employed as reinforcement in concrete structures to enhance their strength and durability. Rebars provide structural support and help withstand the harsh environmental conditions and heavy loads experienced in offshore operations.
- Q:What are the different methods of connecting steel rebars?
- There are several methods of connecting steel rebars, including overlapping, welding, mechanical splicing, and using couplers or grout-filled sleeves. Each method has its own advantages and is chosen based on the specific requirements of the construction project.
- Q:What is the lifespan of steel rebars in marine structures?
- The lifespan of steel rebars in marine structures can vary depending on various factors such as the quality of the steel, the environment in which they are exposed, and the maintenance practices employed. However, properly designed, constructed, and maintained marine structures with steel rebars can typically have a lifespan of 50 to 100 years. Steel rebars used in marine structures are generally coated with corrosion-resistant materials, such as epoxy or zinc, to protect them from the harsh marine environment. These coatings provide an additional layer of defense against corrosion, extending the lifespan of the rebars. However, it is important to note that the marine environment is highly corrosive due to the presence of saltwater, humidity, and other corrosive agents. Over time, these factors can lead to the degradation of the protective coatings and the exposure of the rebars to corrosion. If adequate maintenance measures are not taken, such as regular inspections, cleaning, and reapplication of protective coatings, the rebars may experience accelerated corrosion and their lifespan may be shortened. Additionally, the design and construction of marine structures play a crucial role in determining the lifespan of steel rebars. Proper considerations must be given to factors such as structural design, material selection, and detailing to minimize the risk of corrosion and ensure the longevity of the rebars. In summary, the lifespan of steel rebars in marine structures can range from 50 to 100 years, depending on factors such as the quality of the steel, the environmental conditions, and the maintenance practices employed. Proper design, construction, and maintenance are essential to maximizing the lifespan of steel rebars in marine structures.
- Q:Are steel rebars suitable for use in structures with high wind loads?
- Yes, steel rebars are suitable for use in structures with high wind loads. Steel rebars, also known as reinforcing bars, are commonly used in construction to provide strength and stability to reinforced concrete structures. They are designed to withstand high tensile forces and are an essential component in ensuring the structural integrity of buildings, especially in areas prone to high wind loads. Steel rebars offer several advantages that make them suitable for use in structures with high wind loads. Firstly, steel has high tensile strength, allowing it to resist the forces generated by wind loads. Unlike other materials like timber or concrete, steel rebars have excellent ductility, making them capable of absorbing and redistributing the energy caused by wind-induced vibrations. Secondly, steel rebars are highly durable and resistant to corrosion, which is essential for structures exposed to harsh weather conditions, including high winds. The use of steel rebars prevents the risk of deterioration or weakening of the structure over time due to wind-induced stresses. Thirdly, steel rebars can be easily molded and shaped to fit the specific design requirements of the structure. This flexibility allows engineers to design and construct buildings that can withstand the varying wind loads experienced in different regions. Overall, steel rebars are a suitable choice for structures with high wind loads due to their high tensile strength, durability, and resistance to corrosion. They provide the necessary reinforcement needed to ensure the longevity and safety of the structure in challenging wind conditions.
- Q:Can steel rebars be bent or shaped?
- Steel rebars have the capability to be bent or shaped. In construction, rebars are frequently employed to enhance concrete structures, and it is customary to bend or shape them in order to meet the project's specific design criteria. Multiple tools and techniques, including manual bending, mechanical bending machines, and hydraulic presses, can be utilized to accomplish the bending or shaping of rebars. The flexibility of steel rebars in terms of bending or shaping facilitates the creation of intricate and tailor-made reinforcement patterns, guaranteeing the concrete structure's ability to withstand the intended loads and stresses.
- Q:Can steel rebars be used in structures subjected to extreme temperatures?
- Yes, steel rebars can be used in structures subjected to extreme temperatures. However, it is important to consider the specific grade and composition of the steel and the temperature range it can withstand without losing its structural integrity. Additionally, certain precautions and appropriate design considerations may be necessary to ensure the performance and durability of the steel rebars in extreme temperature conditions.
- Q:What is the role of steel rebars in retaining walls?
- The role of steel rebars in retaining walls is to reinforce and strengthen the structure, providing increased stability and resistance to lateral pressure exerted by the soil behind the wall. The rebars help to distribute the load evenly throughout the wall, preventing it from cracking or collapsing under the pressure.
- Q:What is the process of removing steel rebars from concrete structures?
- The process of removing steel rebars from concrete structures typically involves several steps. First, the concrete surface around the rebar is often chipped away using pneumatic tools or jackhammers to expose the steel. Then, an oxyacetylene torch or a cutting disc is used to cut the rebar into smaller, more manageable pieces. If the rebar is embedded deep within the concrete, a core drilling machine may be used to create a hole around the rebar, allowing for easier removal. Finally, once the rebar is cut or loosened, it can be extracted using heavy machinery or manual labor, depending on the size and weight of the rebar.
- Q:How do steel rebars contribute to the overall fire resistance of a structure?
- Enhancing the fire resistance of a structure, steel rebars, also known as reinforcing bars, play a vital role. They contribute to the overall fire resistance in various ways. Primarily, steel rebars are made from a material renowned for its high melting point and exceptional heat resistance. As a result, even in the event of a fire, the rebars maintain their structural integrity and do not easily deform or collapse. This is especially crucial for tall buildings where temperatures can reach extreme levels during a fire. Furthermore, the presence of steel rebars aids in the even distribution of heat throughout the structure. When exposed to high temperatures, steel absorbs and conducts heat away from the fire source, preventing concentrated hotspots and reducing the risk of structural failure. This redistribution of heat helps maintain the stability and integrity of the building, allowing occupants valuable time to safely evacuate. Moreover, steel rebars are commonly embedded within concrete, forming a composite material called reinforced concrete. The combination of steel and concrete creates a synergistic effect in terms of fire resistance. While steel possesses high tensile strength, concrete exhibits excellent compressive strength. When exposed to fire, the concrete acts as a protective layer, slowing down the transfer of heat to the steel rebars. This delay in heat transfer enables the steel to retain its strength for a longer period, further enhancing the fire resistance of the structure. Additionally, steel rebars aid in preventing the spread of fire by creating compartments within the building. In the event of a fire, the reinforced concrete structure acts as a barrier, limiting the fire's ability to spread from one area to another. This containment of fire reduces potential damage and facilitates the effective control and extinguishing of the fire by emergency responders. In conclusion, steel rebars make a significant contribution to the overall fire resistance of a structure. Their high melting point, ability to redistribute heat, and combination with concrete create a dependable and durable fire-resistant system. By providing structural stability, preventing concentrated hotspots, and limiting the spread of fire, steel rebars play a critical role in ensuring the safety and protection of both the building and its occupants during a fire incident.
- Q:Are there any standards or codes for steel rebars?
- Yes, there are various standards and codes that govern the manufacturing, testing, and use of steel rebars. These standards typically include specifications for the chemical composition, mechanical properties, dimensions, and tolerances of rebars. Some commonly recognized standards and codes for steel rebars include ASTM A615/A615M, ASTM A706/A706M, and BS 4449. Compliance with these standards ensures the quality and safety of steel rebars used in construction projects.
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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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