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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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: What is the national standard of thread steel No. 8?
- Rebar national standard: transverse rib nominal spacing shall not be greater than 0.7 times the nominal diameter of steel, the cross rib side and the steel surface of the angle of alpha may not be less than 45 degrees. When the steel nominal diameter less than 12mm, the relative rib area should not be less than 0.055, the nominal diameter of 14mm and 16mm, the relative rib area should not be less than 0.060, the nominal diameter is more than 16mm, the relative rib area should not be less than 0.065. Therefore, the nominal diameter of rebar No. 8 national standard steel bar relative rib area shall not be less than 0.055mm
- Q: What is the process of inspecting steel rebars before installation?
- The process of inspecting steel rebars before installation typically involves visual examination, measurement, and testing. The rebars are visually inspected for any visible defects such as cracks, rust, or bending. Measurements are taken to ensure the rebars meet the required dimensions, length, and diameter specified in the design. Additionally, non-destructive testing methods like ultrasonic testing or magnetic particle inspection may be performed to detect any hidden defects or irregularities. This thorough inspection process helps ensure the quality and integrity of the rebars before they are installed in construction projects.
- Q: How do steel rebars contribute to the overall durability and service life of concrete structures?
- Steel rebars contribute to the overall durability and service life of concrete structures in several ways. Firstly, steel rebars are used in concrete structures to enhance their tensile strength. While concrete is strong in compression, it is relatively weak in tension. By adding steel rebars, which have high tensile strength, to the concrete, the overall strength and load-bearing capacity of the structure are significantly increased. This helps the structure to withstand external forces such as wind, earthquakes, or heavy loads, reducing the risk of structural failure and increasing its overall durability. Secondly, steel rebars play a crucial role in preventing cracking and controlling the propagation of cracks in concrete structures. Concrete has a tendency to shrink and crack when it dries and undergoes temperature changes. The presence of steel rebars helps to distribute these forces and stresses throughout the structure, minimizing the formation and widening of cracks. By restricting crack propagation, the rebars contribute to the overall structural integrity and longevity of the concrete structure. Furthermore, steel rebars provide reinforcement against corrosion. Concrete is highly alkaline, which creates a protective layer around the steel rebars, known as the passivation layer. This layer prevents the steel rebars from rusting and corroding when exposed to moisture or aggressive chemicals. By maintaining the integrity of the rebars, the overall durability and service life of the concrete structure are enhanced. In addition, steel rebars are essential in improving the structural stability and resilience of concrete structures. By providing reinforcement and stiffness to the concrete, they help to distribute and dissipate the applied loads and stresses evenly. This reduces the risk of localized failure and increases the ability of the structure to withstand external forces and deformations. The presence of steel rebars also improves the structural behavior of the concrete, making it more resilient to dynamic forces such as vibrations or impacts. Overall, steel rebars significantly contribute to the overall durability and service life of concrete structures. They enhance the tensile strength of the concrete, prevent cracking and control crack propagation, provide reinforcement against corrosion, and improve the structural stability and resilience. By incorporating steel rebars in concrete construction, engineers can create robust and long-lasting structures that can withstand various challenges and ensure the safety and longevity of the built environment.
- Q: Can steel rebars be used in foundation systems?
- Yes, steel rebars can be used in foundation systems. Steel rebars, also known as reinforcing bars, are commonly used in concrete structures to enhance their strength and durability. In foundation systems, steel rebars are used to provide reinforcement and prevent cracking or failure of the concrete. They are typically embedded within the concrete to increase its tensile strength and improve its resistance to various external forces such as bending, shearing, and tension. Steel rebars are widely utilized in different types of foundation systems, including shallow foundations, deep foundations, and pile foundations, to ensure the stability and longevity of the structures.
- Q: Can steel rebars be used in road and bridge construction?
- Yes, steel rebars can be used in road and bridge construction. Steel rebars are commonly used as reinforcement in concrete structures, including roads and bridges, to provide strength and durability. The rebars are embedded within the concrete to enhance its tensile strength and prevent cracking or structural failure. Steel rebars are preferred in such constructions due to their high strength, ductility, and resistance to corrosion. They help to distribute loads and stresses evenly, making the structures more resilient and capable of withstanding heavy traffic and environmental conditions. Additionally, steel rebars can be easily fabricated and customized to meet the specific design requirements of road and bridge construction projects.
- Q: How do steel rebars affect the durability of concrete in freeze-thaw cycles?
- The durability of concrete in freeze-thaw cycles can be greatly enhanced by steel rebars. When exposed to freezing and thawing conditions, concrete undergoes expansion and contraction. During freezing, the water inside the concrete pores freezes and expands, exerting pressure on the surrounding concrete matrix. This can lead to cracks and deterioration of the concrete. However, the inclusion of steel rebars in the concrete can help alleviate these problems. Steel has a lower coefficient of thermal expansion compared to concrete, meaning it expands and contracts less with temperature changes. This property allows the steel rebars to absorb the stresses generated during freeze-thaw cycles, preventing significant damage to the concrete structure. Furthermore, steel rebars also reinforce the concrete, increasing its overall strength and toughness. This reinforcement helps distribute the stresses caused by freeze-thaw cycles more evenly throughout the concrete, reducing the likelihood of crack formation or propagation. Moreover, steel rebars act as a barrier against water penetration into the concrete. Moisture is a major contributor to freeze-thaw damage. The steel rebars assist in creating a more impermeable concrete structure by reducing the size and number of cracks, preventing water from entering and causing further deterioration. To sum up, steel rebars play a vital role in enhancing the durability of concrete in freeze-thaw cycles. Their ability to absorb stresses, reinforce the concrete, and prevent water penetration significantly reduces the potential for damage and extends the lifespan of the concrete structure.
- Q: What are the guidelines for preventing steel rebars from rusting during construction delays?
- To prevent steel rebars from rusting during construction delays, it is important to follow some guidelines: 1. Proper Storage: Store the rebars in a covered and dry area away from moisture and direct sunlight. The storage area should be well-ventilated to prevent condensation. 2. VCI (Volatile Corrosion Inhibitor) Products: Use VCI products such as VCI paper, films, or emitters. These products release corrosion-inhibiting chemicals that create a protective layer on the rebars, preventing rust formation. 3. Proper Packaging: If rebars are being transported or stored for an extended period, ensure they are properly packaged. Wrap the rebars tightly with VCI paper or plastic sheets, and secure the packaging with tape to prevent moisture ingress. 4. Dehumidification: Use dehumidifiers in areas where the rebars are stored to reduce humidity levels. This helps in maintaining the dryness of the surrounding environment and prevents condensation on the rebars. 5. Regular Inspection: Periodically inspect the rebars for any signs of rust formation. If rust is detected, it should be immediately cleaned and treated with anti-corrosion coatings to prevent further damage. 6. Protective Coatings: Apply anti-corrosion coatings on rebars to provide an additional protective layer. These coatings can be epoxy-based or zinc-based, depending on the environmental conditions and project requirements. 7. Remove Standing Water: Ensure that there is no standing water near the rebars, as it can accelerate the rusting process. Proper drainage systems should be in place to prevent water accumulation. 8. Monitoring: Regularly monitor the environmental conditions, including temperature and humidity levels, to identify any potential risks for rust formation. Adjust the storage conditions accordingly, if needed. By following these guidelines, construction delays can be managed effectively, and the steel rebars can be protected from rust formation, ensuring the structural integrity of the project.
- Q: How are steel rebars protected from fire damage?
- Steel rebars are protected from fire damage through various methods. One commonly used method is the application of fire-resistant coatings. These coatings are specifically designed to withstand high temperatures and prevent the steel from reaching its critical temperature, which is when it starts to lose its structural integrity. Another method is the use of fire-resistant concrete encasement. In this method, the rebars are embedded within a layer of concrete that has been specifically designed to resist fire. This concrete acts as a barrier, preventing the heat from directly reaching the steel rebars and thus protecting them from fire damage. Additionally, fire-resistant wraps or blankets can be used to provide temporary protection to steel rebars during construction. These wraps are made from fire-resistant materials and are applied directly to the rebars, creating a barrier that prevents direct exposure to fire. It is important to note that the level of fire protection required for steel rebars depends on the specific building codes and regulations in place. These codes typically specify the minimum fire resistance rating that must be achieved for structural elements, including rebars, in order to ensure the safety of the building and its occupants.
- Q: Can steel rebars be used in swimming pool construction?
- Yes, steel rebars can be used in swimming pool construction. Steel rebars are commonly used as reinforcement in concrete structures, including swimming pools, to provide strength and durability. They help prevent cracking and ensure the overall stability of the pool structure.
- Q: What is the recommended method for tying steel rebars together?
- The recommended method for tying steel rebars together is typically using wire ties or mechanical rebar connectors.
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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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