Hot rolled deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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Product Description:
OKorder is offering hot rolled deformed steel bar for construction at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot rolled deformed steel bar for construction are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's deformed steel bar are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
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 HRB400 Deformed Steel Bar:
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 term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
FAQ:
Q1: How do we guarantee the quality of our products?
A1: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q2: Can stainless steel rust?
A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q:How do steel rebars contribute to the overall stability of a bridge deck?
- Steel rebars contribute to the overall stability of a bridge deck by providing reinforcement and increasing its strength and load-bearing capacity. They help to distribute the load evenly across the deck, preventing it from sagging or collapsing under heavy traffic or other external forces. The rebars also enhance the bridge's resistance to cracking, bending, and shearing, ensuring its long-term durability and structural integrity.
- Q:How are steel rebars protected against damage during the construction process?
- Steel rebars are protected against damage during the construction process through various methods such as proper storage, application of protective coatings, and careful handling.
- Q:What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?
- Several key considerations must be taken into account when using steel rebars in pre-stressed or post-tensioned concrete elements to ensure structural integrity and performance. 1. Design and Engineering: The initial step is to consult with a qualified structural engineer who specializes in pre-stressed or post-tensioned concrete design. They will determine the specific project's requirements for rebars, including size, spacing, and type, based on the structural loads, design requirements, and desired performance. 2. Material Selection: The rebars used in pre-stressed or post-tensioned concrete elements should adhere to industry standards, such as ASTM A615 or ASTM A706 for reinforcing steel. The rebars should possess adequate strength, ductility, and corrosion resistance to withstand environmental conditions and stress. 3. Placement and Anchorage: Precise placement and anchoring of the rebars within the concrete elements are necessary. The requirements for placement and anchorage will depend on the project's design and engineering specifications. Proper alignment and secure fastening of the rebars are crucial to ensure effective force transfer to the concrete. 4. Tensioning Process: In pre-stressed concrete elements, the rebars are tensioned before pouring the concrete. Specialized jacks or hydraulic systems are used to apply a predetermined amount of force to the rebars. Careful control of the tensioning force is vital to achieving the desired level of pre-stress without overloading the rebars or damaging the concrete. 5. Post-Tensioning: For post-tensioned concrete elements, the rebars are tensioned after the concrete has hardened. This involves passing the rebars through ducts or sleeves within the concrete and applying tension using hydraulic jacks. The post-tensioning force must be carefully calibrated to achieve the desired structural performance without excessive strain on the rebars or the concrete. 6. Quality Control and Inspection: Throughout the construction process, regular quality control and inspection are essential to ensure compliance with design specifications and industry standards. This includes verifying correct placement, alignment, and tensioning of the rebars, as well as checking for any defects or damage. 7. Maintenance and Durability: Proper maintenance is crucial for the long-term durability and performance of pre-stressed or post-tensioned concrete elements. This may involve periodic inspections, maintaining protective coatings, and addressing corrosion or deterioration promptly. By adhering to these guidelines, construction professionals can ensure the safe and effective use of steel rebars in pre-stressed or post-tensioned concrete elements, resulting in structurally sound and durable concrete structures.
- Q:What is the typical weight per meter of a steel rebar?
- The typical weight per meter of a steel rebar can vary depending on the diameter and thickness of the rebar. However, on average, a steel rebar weighs around 0.75 kilograms per meter.
- Q:Are steel rebars suitable for use in extreme temperatures?
- Yes, steel rebars are suitable for use in extreme temperatures. Steel has a high melting point and can withstand both very high and very low temperatures without compromising its structural integrity. This makes steel rebars a reliable choice for construction in extreme temperature conditions.
- Q:What are the guidelines for preventing steel rebars from rusting during construction?
- To prevent steel rebars from rusting during construction, there are several guidelines that can be followed. These include: 1. Proper storage: Steel rebars should be stored in a dry and covered area to protect them from moisture. They should be kept off the ground and away from any sources of water, such as puddles or wet concrete. 2. Surface preparation: Before installation, rebars should be inspected for any signs of rust or corrosion. If any are found, they should be cleaned using a wire brush or sandblasting to remove the rust and create a clean surface for proper adhesion. 3. Coating: Applying a protective coating to the rebars can help prevent rusting. This can be done using epoxy, zinc, or other anti-corrosion coatings. The coating should be applied evenly and in accordance with the manufacturer's instructions. 4. Proper spacing: When placing rebars in concrete, it is important to ensure that they are adequately spaced to allow for proper ventilation and prevent moisture from being trapped between them. The spacing should be as per the design specifications or as recommended by structural engineers. 5. Adequate concrete cover: The rebars should have an adequate concrete cover to protect them from moisture and corrosion. This cover thickness should be as per the design requirements and should be maintained during construction. 6. Proper curing: After installation, the concrete should be properly cured to ensure it reaches its maximum strength and durability. Proper curing methods, such as using curing compounds or covering the concrete with plastic sheeting, can help prevent moisture penetration and rusting of the rebars. 7. Regular inspections: Regular inspections of the rebars should be conducted during construction to identify any signs of rust or corrosion. If any are found, appropriate measures should be taken to address the issue promptly and prevent further damage. By following these guidelines, construction professionals can minimize the risk of steel rebars rusting during construction, ensuring the structural integrity and longevity of the project.
- Q:What are the different types of steel rebars available in the market?
- There are several types of steel rebars available in the market, including conventional carbon steel rebars, epoxy-coated rebars, galvanized rebars, stainless steel rebars, and high-strength rebars. Each type has specific properties and advantages depending on the intended application.
- 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:How do steel rebars contribute to the overall sustainability of concrete structures?
- Steel rebars contribute to the overall sustainability of concrete structures in several ways. Firstly, steel rebars enhance the durability and lifespan of concrete structures. By reinforcing the concrete, rebars provide added strength and prevent cracking or structural failures, thereby extending the life of the structure. This reduces the need for frequent repairs or replacements, saving resources and minimizing the environmental impact of construction activities. Moreover, steel rebars are 100% recyclable. At the end of a structure's life cycle, the rebars can be easily removed and recycled, reducing the demand for new raw materials and minimizing waste. This not only conserves natural resources but also reduces greenhouse gas emissions associated with the extraction and production of virgin steel. Additionally, incorporating steel rebars into concrete structures allows for the use of thinner concrete sections. By using less concrete, there is a reduced demand for cement, which is a major contributor to carbon dioxide emissions during its production. Therefore, the use of steel rebars helps to lower the overall carbon footprint of concrete structures. Furthermore, steel rebars can be designed to resist corrosion, which is a common issue in concrete structures exposed to harsh environments or in coastal areas. By providing protection against corrosion, the rebars increase the service life of the structure, reducing the need for maintenance and repairs. This not only saves costs but also reduces the environmental impact associated with maintenance activities. Overall, steel rebars play a crucial role in enhancing the sustainability of concrete structures by improving their durability, enabling recycling, reducing material consumption, and minimizing maintenance requirements. By incorporating steel rebars into concrete construction, we can create long-lasting, environmentally-friendly structures that contribute to a more sustainable built environment.
- Q:Can steel rebars be used in tunneling and mining operations?
- Yes, steel rebars can be used in tunneling and mining operations. Rebars, which are steel bars commonly used to reinforce concrete structures, can also be employed in underground construction projects such as tunnels and mines. These steel bars provide additional strength and stability to the structures in these environments, ensuring durability and safety. In tunneling projects, rebars are often embedded in shotcrete or concrete linings to enhance the structural integrity of the tunnel walls and prevent collapse. Similarly, in mining operations, rebars are used to reinforce the roofs, walls, and support structures within the mine, safeguarding against potential hazards such as rockfalls and cave-ins. The use of steel rebars in tunneling and mining operations is crucial for maintaining the integrity and stability of these underground structures.
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Hot rolled deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 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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