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: How do steel rebars improve the strength and durability of concrete?
- Steel rebars improve the strength and durability of concrete in several ways. Firstly, rebars provide reinforcement to the concrete structure, increasing its tensile strength. Concrete is excellent at withstanding compression forces, but it is relatively weak when it comes to tension. By embedding steel rebars within the concrete, the tensile strength of the structure is significantly enhanced. This means that the concrete can resist bending, cracking, and collapsing under heavy loads or external forces. Secondly, steel rebars prevent cracking and shrinkage in the concrete. Concrete tends to shrink as it dries and cures, leading to the development of cracks. However, rebars help to control and restrict this shrinkage by providing additional support and structural integrity. This helps to minimize the occurrence of cracks and ensures that the concrete remains strong and durable over time. Furthermore, steel rebars improve the overall structural stability of the concrete. When concrete is subjected to dynamic loads or seismic activity, it can experience significant deformation or even failure. The presence of rebars helps to distribute the load more evenly throughout the concrete structure, reducing the risk of localized damage or collapse. This enhances the overall stability and safety of the concrete construction. Lastly, steel rebars increase the longevity and durability of concrete structures. The steel used in rebars is highly resistant to corrosion, which is a common issue in concrete exposed to harsh environmental conditions or moisture. By providing a protective layer around the steel, known as passivation, rebars prevent corrosion and maintain the structural integrity of the concrete for an extended period. This ensures that the concrete remains strong, durable, and resistant to degradation over its lifespan. In summary, steel rebars play a crucial role in improving the strength and durability of concrete. They enhance the tensile strength, prevent cracking and shrinkage, enhance structural stability, and increase the longevity of the concrete structure. With the addition of steel rebars, concrete becomes a reliable and long-lasting construction material capable of withstanding various loads and environmental conditions.
- Q: Excuse me, Shagang steel steel, what is the sign of
- The two is the performance of classification (class), for example, China's current implementation of standards, (G B1499.2-2007) for steel wire for 1499.1-2008), according to the strength (tensile strength yield point / steel) will be divided into 3 levels; the Japanese industrial standard (JI SG3112), according to the comprehensive performance of the steel branch for the 5 species; the British Standard (BS4461), also provides some level of performance test of thread steel. In addition, the thread steel can be classified according to the use, such as reinforced concrete, ordinary steel bars and reinforced concrete bars for heat treatment.
- 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 prevent concrete from cracking?
- Steel rebars prevent concrete from cracking by providing reinforcement and increasing its strength. When concrete is poured, it is initially in a liquid state and lacks tensile strength, meaning it is prone to cracking under tension. However, steel rebars are embedded within the concrete structure, forming a strong bond with the concrete as it hardens. The rebars act as a framework within the concrete, distributing the tensile forces evenly throughout the structure. When external forces, such as load or temperature changes, act on the concrete, the rebars resist the tensile stresses that would otherwise cause cracks to form. This is because steel has a much higher tensile strength compared to concrete. Moreover, steel rebars also help to control cracks that may occur due to shrinkage during the curing process of concrete. As the concrete dries and hardens, it undergoes a chemical reaction that causes it to shrink. This shrinkage can lead to cracks, but the presence of rebars restrains the concrete from expanding or contracting excessively, reducing the likelihood of cracking. In addition to preventing cracks, steel rebars also enhance the overall structural integrity of the concrete. They help to distribute the load evenly, making the concrete structure more resistant to bending, shearing, and other forces. This reinforcement ensures that the concrete can withstand the anticipated loads and maintain its stability over time. Overall, steel rebars play a crucial role in preventing concrete from cracking by providing tensile strength and reinforcement. By distributing tensile forces, controlling shrinkage, and enhancing structural integrity, they ensure that the concrete remains strong, durable, and resistant to cracking, thereby prolonging its lifespan and ensuring its stability.
- Q: How do steel rebars affect the overall thermal stability of a structure?
- Steel rebars can significantly improve the overall thermal stability of a structure. Due to their high thermal conductivity, steel rebars help in dissipating heat more efficiently and evenly throughout the structure. This prevents the formation of localized hot spots and reduces the risk of thermal expansion, which can cause structural deformations and cracks. Additionally, steel rebars enhance the structural integrity of a building during fire incidents by providing necessary reinforcement and preventing sudden collapses.
- Q: Can steel rebars be used in structures subjected to extreme temperatures?
- Yes, steel rebars can be used in structures subjected to extreme temperatures. Steel has high thermal conductivity and can withstand both high and low temperatures without significant loss in strength or structural integrity. However, it is important to consider the potential for thermal expansion and contraction, which may need to be addressed through proper design and construction techniques.
- Q: Can steel rebars be used in industrial flooring?
- Yes, steel rebars can be used in industrial flooring. Steel rebars are commonly used in concrete construction, including industrial flooring, due to their high tensile strength and durability. They are typically placed within the concrete to reinforce it and provide added strength to support heavy loads and resist cracking. The use of steel rebars in industrial flooring helps increase its load-bearing capacity and ensures the longevity and structural integrity of the floor. Additionally, steel rebars can be easily welded or connected to form a grid or mesh, which further enhances the strength and stability of the floor. Therefore, steel rebars are a suitable choice for industrial flooring applications.
- Q: What are the different types of coating available for steel rebars?
- There are several different types of coatings available for steel rebars, each with its own unique properties and benefits. Some of the most common types of coatings include: 1. Epoxy Coating: Epoxy coating provides excellent corrosion resistance and is commonly used in environments where steel rebars are exposed to moisture or harsh chemicals. It forms a protective barrier that prevents corrosion and extends the lifespan of the rebars. 2. Zinc Coating: Zinc coating, also known as galvanization, is one of the most widely used coatings for steel rebars. It provides excellent corrosion resistance and acts as a sacrificial layer, meaning it corrodes before the steel rebars do. This sacrificial protection helps to prevent rust and extend the life of the rebars. 3. Polyethylene Coating: Polyethylene coating is a type of thermoplastic coating that is commonly used for steel rebars in applications where electrical insulation is required. It provides excellent resistance to moisture, chemicals, and abrasion, making it suitable for use in a variety of environments. 4. Fusion-Bonded Epoxy Coating: Fusion-bonded epoxy coating is a type of coating that is applied to the rebars through a process of heat and pressure. It provides excellent adhesion and corrosion resistance, making it ideal for use in harsh environments such as marine or industrial applications. 5. Powder Coating: Powder coating is a dry finishing process that involves applying a fine powder to the rebars and then curing it in an oven. It provides a durable and protective coating that is resistant to corrosion, chemicals, and UV radiation. Powder coating is available in a wide range of colors, making it a popular choice for decorative applications. These are just a few examples of the different types of coatings available for steel rebars. The choice of coating will depend on the specific requirements of the project, such as the environmental conditions, expected lifespan, and desired performance characteristics.
- Q: Can steel rebars be recycled after demolition?
- Yes, steel rebars can be recycled after demolition. Steel is one of the most commonly recycled materials, and rebars are no exception. After demolition, steel rebars can be collected, sorted, and sent to recycling facilities where they are melted down and reused to make new steel products. This recycling process helps reduce waste and conserve resources.
- Q: Can steel rebars be used in railway bridge construction?
- Yes, steel rebars can be used in railway bridge construction. Steel rebars provide strength and durability to the bridge structure, making them suitable for supporting heavy loads and withstanding the dynamic forces exerted by trains. They are commonly used in the construction of railway bridges to reinforce and strengthen the concrete components of the bridge, enhancing its overall structural integrity.
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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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