Hot rolled deformed steel bars 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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Product Description:
OKorder is offering Hot rolled deformed steel bars 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 bars 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 bars 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
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
Deformed Steel Bar in container
Deformed Steel Bar in factory
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.
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: How soon can we receive the product after purchase?
A2: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
- Q:Can steel rebars be welded or spliced together?
- Steel rebars can be welded or spliced together. Welding is a commonly utilized technique in joining steel rebars. It involves heating the rebars to a high temperature and utilizing a welding electrode to melt the steel, forming a sturdy bond. Welding is commonly employed in construction projects that require continuous reinforcement. Alternatively, splicing involves connecting two rebars using mechanical connectors or couplers. These connectors are designed to offer a dependable and robust connection between the rebars. Splicing is frequently used when extending rebars or joining different rebars. Both welding and splicing methods possess their own advantages and disadvantages. Welding provides continuous reinforcement and establishes a strong bond between the rebars; however, it necessitates skilled labor and can be time-consuming. On the other hand, splicing is a quicker and easier process, but it may slightly reduce the overall strength of the reinforcement. It is crucial to note that the utilization of welding or splicing for steel rebars must conform to the appropriate codes and standards, as well as receive approval from the structural engineer or responsible authority.
- Q:What are the different types of steel rebars used in foundation constructions?
- Foundation constructions commonly utilize various types of steel rebars, each possessing distinct properties and advantages. These rebars cater to different construction needs and offer unique benefits. 1. Mild Steel Rebars, or black bars, are crafted from carbon steel and boast a low carbon content. They find extensive use due to their cost-effectiveness and versatility. Mild steel rebars are suitable for most general construction ventures, providing commendable strength and durability. 2. High-strength Deformed Steel Rebars (HSD) exhibit a higher tensile strength in comparison to mild steel rebars. Manufactured by subjecting the steel to high temperatures and twisting it, these rebars possess a deformed surface that fosters excellent concrete bonding. HSD rebars are frequently employed in robust structures requiring elevated strength, such as tall buildings and bridges. 3. Epoxy-Coated Rebars undergo a protective epoxy resin coating to combat corrosion. The epoxy coating acts as a barrier, shielding the steel from moisture and chemicals that lead to rusting. These rebars are commonly implemented in regions with high humidity or exposure to corrosive elements, such as coastal areas. 4. Stainless Steel Rebars, composed of corrosion-resistant stainless steel comprising chromium and nickel, exhibit remarkable resistance to corrosion. Consequently, they prove ideal for structures exposed to hostile environments or chemicals. Marine constructions, wastewater treatment plants, and regions with high chloride content frequently employ stainless steel rebars. 5. Galvanized Rebars possess a zinc coating, providing corrosion protection. The zinc coating functions as a sacrificial layer, corroding instead of the steel rebars. Galvanized rebars find wide application in areas with high humidity or chemical exposure, such as industrial buildings, parking garages, and highway structures. 6. Welded Wire Mesh, although not a conventional rebar, is frequently employed in foundation constructions. Comprising interconnected steel wires welded together in a mesh grid, this mesh offers reinforcement and facilitates even load distribution across the foundation. It is commonly utilized in slabs, foundations, and retaining walls. Ultimately, the selection of steel rebars for foundation constructions hinges upon factors such as project requirements, environmental conditions, and budgetary limitations. It is imperative to consider the specific demands of the construction project and consult structural engineers to determine the most suitable type of steel rebars, ensuring a sturdy and enduring foundation.
- Q:What are the guidelines for ensuring proper concrete cover over steel rebars?
- Proper concrete cover over steel rebars is crucial for the long-term durability and performance of reinforced concrete structures. Here are some guidelines to ensure the correct concrete cover over steel rebars: 1. Follow building codes and specifications: Building codes and specifications provide minimum requirements for concrete cover over steel rebars. These guidelines are established to ensure structural integrity, fire resistance, and resistance to corrosion. It is essential to consult and adhere to the applicable building codes and specifications for the specific project. 2. Determine the required concrete cover: The required concrete cover depends on various factors, such as environmental conditions, exposure to aggressive agents, structural design, and reinforcement type. Structural engineers typically determine the required concrete cover based on these factors to ensure the rebars are adequately protected. 3. Use appropriate concrete mix design: The concrete mix design should be carefully selected to achieve the desired strength, durability, and workability. The mix design should consider factors like the quality and size of aggregates, cement content, water-to-cement ratio, and use of additives or admixtures. Using a well-designed concrete mix will help ensure proper bonding and adequate protection of the steel rebars. 4. Maintain proper construction practices: During construction, it is crucial to maintain proper practices to ensure the correct concrete cover over steel rebars. This includes using proper formwork and reinforcement placement techniques, ensuring proper concrete placement, compaction, and curing. The rebars should be adequately positioned and securely tied to maintain the required cover and prevent displacement during concrete pouring. 5. Inspect and monitor during construction: Regular inspections and monitoring at various stages of construction are essential to ensure compliance with the required concrete cover. This includes checking reinforcement placement, cover thickness, and overall quality of the concrete. Any deviations from the specified requirements should be addressed and rectified promptly. 6. Protect against corrosion: Adequate concrete cover over steel rebars plays a significant role in protecting against corrosion. However, additional measures such as using corrosion-resistant rebars, applying epoxy coatings, or using corrosion inhibitors can further enhance the durability and longevity of the reinforced concrete structure. 7. Document and maintain records: It is important to document the construction process, including the reinforcement placement, concrete cover thickness, and any deviations or modifications made during construction. This documentation will serve as a valuable resource for future reference, maintenance, and repairs. By following these guidelines, proper concrete cover over steel rebars can be ensured, resulting in durable and structurally sound reinforced concrete structures. It is always recommended to consult with structural engineers and construction professionals for specific project requirements and to ensure compliance with local building codes and regulations.
- Q:How heavy can a 25 mm thread steel bear?
- 25 thread steel one meter 3.86kg.Method of calculation: 0.00617 times the square of the diameter of the steel bar. The weight of each diameter of the steel bar (kg) can be calculated.
- Q:Can steel rebars be used in coastal construction?
- Coastal construction can indeed utilize steel rebars. Steel rebars find widespread application in coastal construction due to their exceptional strength and durability. Their ability to withstand corrosion is particularly important in coastal areas where the presence of saltwater and high humidity can accelerate the corrosion process. Moreover, steel rebars possess the capacity to withstand the forces exerted by waves and strong winds commonly encountered in coastal regions. They serve as a reliable source of structural support for buildings, bridges, seawalls, and other coastal infrastructure. Nevertheless, it is crucial to implement appropriate protective measures, such as utilizing corrosion-resistant coatings or stainless steel rebars, to further augment their longevity and durability in coastal environments.
- Q:Can steel rebars be used in structures with high chemical exposure?
- No, steel rebars are not suitable for structures with high chemical exposure. They are susceptible to corrosion and can deteriorate rapidly when exposed to chemicals, compromising the structural integrity of the building.
- Q:Are steel rebars suitable for reinforcement in historical monuments?
- Steel rebars can be suitable for reinforcement in historical monuments, as they are strong, durable, and provide structural stability. However, it is important to consider the specific requirements and conditions of each monument, as their use can potentially impact the historical integrity and aesthetic value. It is crucial to consult with experts in conservation and restoration to ensure the proper and sensitive use of steel rebars in historical monument reinforcement.
- Q:Are there any safety precautions when handling steel rebars?
- When handling steel rebars, it is important to adhere to several safety precautions. Consider the following important measures: 1. Personal Protective Equipment (PPE): Ensure that the appropriate PPE is worn at all times. This includes safety glasses or goggles, gloves, steel-toed boots, and a hard hat. These items will protect against potential hazards such as falling objects, sharp edges, or flying debris. 2. Proper Lifting Techniques: Due to the weight and awkwardness of steel rebars, it is essential to utilize proper lifting techniques. This involves bending at the knees and maintaining a straight back while lifting. Avoid sudden twisting or jerking movements that could strain muscles or cause injury. 3. Secure Storage and Handling: To prevent rebars from falling or rolling, it is crucial to store and stack them in a stable and secure manner. Utilize appropriate storage racks or containers that will ensure safe storage and eliminate risks to workers or equipment. 4. Tripping Hazards: Ensure that work areas are free from tripping hazards, such as loose rebars or debris. Secure rebars in place to prevent unexpected rolling or shifting. 5. Cutting and Bending: When cutting or bending steel rebars, use the proper tools and machinery specifically designed for these tasks. Adhere to proper procedures and ensure that the work area is clear of other workers to prevent accidents or injuries. 6. Communication and Training: Clearly communicate and provide training to all workers involved in handling steel rebars. This includes educating them about safety precautions, proper equipment usage, and emergency procedures. By following these safety precautions, the risk of accidents, injuries, and damage when handling steel rebars can be significantly reduced. Prioritizing safety in every aspect of the job is essential to ensure the well-being of workers and the successful completion of the project.
- Q:How do steel rebars affect the overall fire safety of a structure?
- Steel rebars can significantly enhance the fire safety of a structure. Due to their high melting point and excellent heat conductivity, steel rebars act as reinforcements that help maintain the structural integrity of a building during a fire. They prevent the concrete from cracking and collapsing prematurely, allowing occupants more time to evacuate safely. Additionally, steel rebars can also facilitate the distribution of heat, reducing the risk of localized hotspots and minimizing the potential for structural failure.
- Q:How do steel rebars affect the overall strength of concrete structures?
- The overall strength and durability of concrete structures are significantly improved by the presence of steel rebars. These rebars are commonly used to reinforce concrete and enhance its ability to withstand stretching or pulling forces, known as tensile strength. Concrete itself is strong when compressed but weak when subjected to tension. When external forces, like bending or stretching, are applied to concrete, it tends to crack and fail. This is where steel rebars come into play. By adding rebars to the concrete, the structure's tensile strength is greatly enhanced. Rebars act as a robust framework within the concrete, providing resistance against tensile forces. When the concrete is under tension, the rebars bear the load and distribute it evenly, preventing the formation of cracks and improving the overall strength of the structure. This reinforcement also limits the spread of cracks, ensuring the structure remains intact and stable even under heavy loads or adverse conditions. Additionally, steel rebars enhance the structural integrity of concrete structures by increasing their resistance to bending, shearing, and torsional forces. They make the concrete stiffer and more resistant to deformation, thus improving its capacity to carry loads. Apart from strengthening the structure, steel rebars also play a vital role in preventing corrosion. They are made of materials that resist corrosion, such as stainless steel or galvanized steel, protecting the concrete from moisture and other corrosive elements. This ensures the longevity and durability of the concrete structure. To summarize, steel rebars greatly enhance the overall strength and durability of concrete structures by improving their tensile strength, resistance to bending and shearing forces, and preventing corrosion. They provide the necessary reinforcement to enable concrete to withstand external forces, ensuring the safety and longevity of the structure.
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Hot rolled deformed steel bars 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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