Hot Rolled Deformed Steel Rebars ASTM GR40, GR60
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- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 200000 m.t./month
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OKorder is offering Hot Rolled Deformed Steel Rebars ASTM GR40, GR60 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Deformed Steel Rebars ASTM GR40, GR60 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 Hot Rolled Deformed Steel Rebars ASTM GR40, GR60 are durable, strong, and wide variety of sizes.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: Gr40,Gr60 etc
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Deformed Steel Bar | ||
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: 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.
Q3: what is the difference between actual weight and theoretical weight?
A3: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.
Images:
- Q: What does thread steel have to do with scrap steel?
- There is a need to go through the processing of the construction units in the construction process of steel, for example, generally buy spiral steel to the standard 9 meters or 12 meters, the Jianshi needs 2.5 meters long 3.5 meters long and 1.7 meters long, 9 meters long steel eventually left a little cut small head these small head, or sold to a blacksmith shop, or you can only do what he can do, if he can do to the recycling of steel scrap processing.
- Q: Can steel rebars be used in the construction of swimming pools?
- Yes, steel rebars can be used in the construction of swimming pools. Steel rebars provide reinforcement and strength to the concrete used in swimming pool construction, ensuring its durability and longevity.
- Q: What are the guidelines for protecting steel rebars during concrete pouring?
- Protecting steel rebars during concrete pouring is crucial to ensure the structural integrity and longevity of reinforced concrete structures. The following guidelines should be followed: 1. Clean the rebars: Before pouring concrete, it is essential to clean the rebars thoroughly to remove any dirt, rust, or other contaminants. This can be done using wire brushes or power tools to achieve a clean and smooth surface. 2. Rust prevention: Apply an appropriate rust inhibitor or anti-corrosion coating to the rebars after cleaning. This will help protect the steel from corrosion caused by moisture or chemicals present in the concrete. 3. Proper placement: Ensure that the rebars are placed at the correct depth and spacing as specified in the structural drawings or design codes. This will provide the necessary reinforcement and structural strength to the concrete. 4. Support and alignment: Use proper supports, such as chairs or spacer blocks, to maintain the correct alignment and position of the rebars during the concrete pour. This will prevent any displacement or movement of the rebars. 5. Tie the rebars securely: Use steel wire or rebar ties to secure the rebars together at intersections and overlap areas. This will ensure that the rebars remain in place and maintain the desired structural configuration. 6. Avoid contact with the ground: Prevent the rebars from coming into direct contact with the ground during the pouring process. This can be achieved by using plastic or concrete chairs to elevate the rebars above the ground surface. 7. Use plastic caps: Cover the exposed ends of the rebars with plastic caps to protect them from moisture, dirt, or other contaminants while the concrete cures. 8. Adequate concrete cover: Ensure that the rebars are adequately covered by the concrete. The concrete cover is the distance between the outer surface of the rebars and the nearest outer surface of the concrete. This cover protects the rebars from external elements and prevents corrosion. 9. Monitor concrete placement: During concrete pouring, take precautions to avoid displacing or damaging the rebars. This can be achieved by using proper pouring techniques, such as using a tremie pipe or a concrete pump, to minimize the impact on the rebars. 10. Curing and protection: After the concrete is poured, it is crucial to properly cure and protect it. This includes covering the concrete with wet burlap or plastic sheeting to maintain moisture levels and prevent premature drying, cracking, or shrinkage. Adequate curing will also help in protecting the rebars from corrosion. By following these guidelines, the rebars can be effectively protected during concrete pouring, ensuring the durability and strength of the reinforced concrete structure.
- Q: How are steel rebars spliced or connected in construction joints?
- Steel rebars are typically spliced or connected in construction joints using several methods, including lap splicing, mechanical splicing, and welded splicing. Lap splicing involves overlapping the rebars and tying them together with wire or steel bars, ensuring proper alignment and contact between the rebars. Mechanical splicing utilizes couplers or threaded sleeves to connect the rebars, providing a stronger and more efficient joint. Welded splicing involves welding the rebars together, ensuring a secure and durable connection. The choice of splicing method depends on factors such as the project requirements, structural design, and construction site conditions.
- Q: What are the methods used for corrosion protection of steel rebars?
- Steel rebars can be protected from corrosion using various methods. Firstly, a commonly used method is to apply a protective coating on the surface of the steel rebar. This coating acts as a barrier, stopping moisture and oxygen from reaching the steel surface and causing corrosion. Different techniques like hot-dip galvanizing, epoxy coatings, or fusion-bonded epoxy coatings can be employed to apply these coatings. Another method is cathodic protection, which involves using sacrificial anodes or impressed current systems. Sacrificial anodes, made of a more reactive metal like zinc or magnesium, corrode over time instead of the steel rebar, ensuring its protection. Impressed current systems utilize an external power source to provide a protective current to the steel rebar, preventing corrosion. A simple but effective method is to provide a sufficient concrete cover over the steel rebar. This concrete acts as a physical barrier, shielding the steel from the environment. It is critical to design the thickness of the concrete cover according to specific standards to guarantee proper protection. Corrosion inhibitors can also be employed by adding them to the concrete mix or applying them on the surface of the steel rebar. These inhibitors work by reducing the corrosive effects of moisture and oxygen on the steel surface. They can be organic or inorganic compounds that form a protective layer, inhibiting the corrosion process. Lastly, proper design and construction practices are crucial for corrosion protection. This includes avoiding the use of dissimilar metals that can cause galvanic corrosion, ensuring proper drainage to prevent water accumulation, and taking measures to minimize exposure to corrosive environments. It is important to note that a combination of these methods is often used to provide optimal corrosion protection for steel rebars, depending on the specific project requirements and environmental conditions.
- Q: How do steel rebars affect the overall structural stability during construction?
- The overall structural stability during construction is greatly influenced by steel rebars. These reinforcement bars are typically embedded within concrete structures to provide additional strength and support. Their presence helps to distribute the load evenly across the entire structure, minimizing the risk of failure and increasing stability. One of the main advantages of steel rebars is their high tensile strength. While concrete is strong in compression, it is weak in tension. Steel rebars compensate for this weakness by resisting tensile forces. By reinforcing the concrete with steel rebars, the structure becomes more resistant to cracking and deformation, ensuring its durability and longevity. Furthermore, the use of steel rebars improves the ductility of the structure. Ductility refers to a material's ability to undergo deformation without breaking. During earthquakes or other external forces, steel rebars allow the structure to flex and absorb energy, reducing the risk of catastrophic failure. This ultimately enhances the stability and safety of the construction. In addition, steel rebars enhance the structural integrity of the construction by preventing the propagation of cracks. When cracks occur in the concrete, steel rebars provide a path for stress transfer, preventing the cracks from spreading and compromising the overall stability of the structure. Moreover, steel rebars contribute to the structural stability by reinforcing critical areas of the construction, such as columns, beams, and slabs. These elements experience significant loads and stresses, and the presence of steel rebars ensures their ability to withstand these forces, preventing collapse or structural failure. To summarize, steel rebars have a significant impact on the overall structural stability during construction. They enhance the tensile strength of concrete, improve ductility, prevent crack propagation, and reinforce critical areas of the structure. Their incorporation ensures that the construction can withstand various loads, external forces, and environmental conditions, providing a robust and stable building that meets safety standards and regulations.
- Q: What are the different types of supports used for steel rebars in formwork?
- There are several types of supports used for steel rebars in formwork, including chairs, spacers, and continuous supports. Chairs are small plastic or metal devices that are placed under the rebars to elevate them above the formwork surface. Spacers are similar to chairs but are used to maintain the correct spacing between rebars. Continuous supports, such as beams or blocks, are used to provide continuous support along the length of the rebars to prevent sagging or bending.
- Q: Can steel rebars be used in structures with long spans?
- Yes, steel rebars can be used in structures with long spans. Steel rebars are commonly used as reinforcement in concrete structures, including those with long spans such as bridges, high-rise buildings, and stadiums. The high tensile strength and durability of steel rebars make them suitable for withstanding the forces and stresses that occur in such structures.
- Q: Can steel rebars be used in tunneling and mining operations?
- Yes, steel rebars can be used in tunneling and mining operations. Steel rebars provide structural reinforcement and support to the tunnels and mining structures, ensuring their stability and strength. They are commonly used to reinforce concrete structures in these operations due to their high tensile strength and durability.
- Q: What are the cost implications of using steel rebars in construction?
- The cost implications of using steel rebars in construction can vary depending on several factors. Steel rebars are generally more expensive than alternative materials such as concrete, but they offer several advantages that can offset the higher upfront cost. Using steel rebars can lead to quicker and easier construction processes, as they are readily available and can be easily installed. This can result in reduced labor costs and shorter construction timelines, which can be beneficial for overall project costs. Moreover, steel rebars offer excellent strength and durability, making them a reliable choice for reinforcing concrete structures. They can enhance the structural integrity of buildings, bridges, and other infrastructure, potentially reducing the need for costly repairs or maintenance in the long run. However, it is important to consider the potential costs associated with corrosion protection for steel rebars, as they are prone to rusting when exposed to moisture or harsh environments. Implementing appropriate measures, such as proper coating or using stainless steel rebars, can help mitigate these costs. Overall, while steel rebars may incur higher initial expenses, their numerous advantages in terms of strength, durability, and construction efficiency often make them a cost-effective choice in the long term.
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Hot Rolled Deformed Steel Rebars ASTM GR40, GR60
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 200000 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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