Hot Rolled Deformed Steel Rebars ASTM, GB HRB400Cr, HRB500Cr
- Ref Price:
-
- 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, GB HRB400Cr, HRB500Cr 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, GB HRB400Cr, HRB500Cr 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, GB HRB400Cr, HRB500Cr 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: HRB400, HRB500 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: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
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- Q:Can steel rebars be used in the construction of shopping malls?
- Yes, steel rebars can be used in the construction of shopping malls. Steel rebars provide structural strength and reinforcement to concrete, making them suitable for use in various construction projects, including shopping malls.
- Q:What are the different types of steel rebars available?
- There are several different types of steel rebars available, each with its own unique properties and applications. Some of the most common types include: 1. Mild Steel Rebars: These are the most commonly used type of rebars and are known for their high strength and durability. They are typically used in general construction projects and can withstand heavy loads. 2. High-Strength Deformed (HSD) Rebars: These rebars are made from carbon steel and are heat-treated to enhance their strength and elasticity. They have enhanced resistance to corrosion and are commonly used in high-rise buildings, bridges, and other structures that require extra strength. 3. European Rebars: These rebars are manufactured according to European standards and are typically made from mild steel. They have a ribbed surface to provide better adherence to concrete and are used in various construction applications. 4. Carbon Steel Rebars: These rebars are made from carbon steel and have a high carbon content. They have excellent strength and are widely used in structures that require exceptional durability, such as bridges and highways. 5. Epoxy-Coated Rebars: These rebars are coated with an epoxy layer to prevent corrosion and enhance their longevity. They are commonly used in marine structures and areas with high humidity or salt exposure. 6. Galvanized Rebars: These rebars are coated with a layer of zinc to provide protection against corrosion. They are commonly used in areas with high moisture content or in coastal regions. 7. Stainless Steel Rebars: These rebars are made from stainless steel and are highly resistant to corrosion. They are used in specialized applications, such as in areas with chemical exposure or in structures that require exceptional durability. It is important to choose the appropriate type of steel rebar based on the specific requirements of the construction project, including load-bearing capacity, corrosion resistance, and environmental conditions. Consulting with a structural engineer or construction professional can help determine the best type of rebar to use for a particular project.
- Q:How do steel rebars affect the overall construction cost of industrial buildings?
- The overall construction cost of industrial buildings can be significantly influenced by steel rebars. These rebars are utilized to reinforce concrete structures, providing strength and durability. The cost is directly affected by the amount of steel rebars required in a building project, as the price of steel is a major component of the overall construction expenses. To begin with, the size, design, and complexity of the industrial building determine the quantity of rebars needed. Larger buildings or those with intricate architectural features may necessitate a greater number of rebars, resulting in increased costs. Furthermore, the design and engineering requirements for seismic or wind resistance can also impact the quantity of rebars, thus affecting the construction budget. Furthermore, the cost can be influenced by the quality and grade of the steel rebars used. Higher-grade rebars, such as those with superior tensile strength or corrosion resistance, may entail higher expenses. Nevertheless, the utilization of higher-grade rebars can provide long-term benefits by enhancing the structural integrity of the building and reducing maintenance and repair costs throughout its lifespan. Additionally, transportation and handling costs contribute to the overall cost. Steel rebars are heavy and bulky, necessitating careful handling and transportation to the construction site. The distance between the steel supplier and the site can have a significant impact on transportation costs. Moreover, the storage and protection of rebars on-site must be considered to ensure their quality, which may result in additional expenses. Lastly, labor costs associated with the installation of steel rebars should be taken into account. Skilled labor is required to accurately place and tie the rebars according to design specifications and building codes. The complexity of the reinforcement design can affect the time required for installation, ultimately influencing labor costs. In conclusion, steel rebars are of utmost importance in the construction of industrial buildings as they reinforce concrete structures. The quantity, quality, transportation, and labor costs associated with steel rebars directly affect the overall construction cost. Therefore, careful planning and consideration of these factors are necessary to effectively manage the budget of industrial building projects.
- Q:Are steel rebars susceptible to hydrogen embrittlement?
- Yes, steel rebars are susceptible to hydrogen embrittlement.
- Q:Can steel rebars be used in tunnel boring machine (TBM) construction?
- Yes, steel rebars can be used in tunnel boring machine (TBM) construction. Steel rebars are commonly used to reinforce concrete structures, including tunnels built using TBM technology. The rebars provide additional strength and stability to the concrete lining, ensuring the structural integrity of the tunnel.
- Q:What are the guidelines for storing steel rebars on a construction site?
- To ensure safety and maintain the quality of steel rebars stored on a construction site, it is important to follow several guidelines. Here are some key recommendations: 1. Choose a designated area on the construction site that is flat, clean, and well-drained for storing the rebars. Avoid areas that are prone to flooding or excessive moisture. 2. Elevate the rebars above the ground using wooden or concrete blocks to prevent direct contact with soil or water. This will help prevent rusting and corrosion. 3. Stack the rebars in a stable manner, aligning them vertically and horizontally to maintain their shape and prevent bending or warping. Use spacers or crates between layers to ensure proper spacing and prevent entanglement. 4. Protect the rebars from the elements by covering them with a waterproof tarp or plastic sheet. This will shield them from rain, snow, or excessive sunlight and prevent rusting and degradation. 5. Store different sizes and types of rebars separately to avoid mixing or confusion during construction. Clearly label and mark each stack to identify the type, size, and grade of the rebars. 6. Organize the rebars in a logical manner to provide easy access for construction workers. Place smaller rebars on top for easy retrieval and avoid storing heavier rebars on top of lighter ones to prevent damage. 7. Take safety precautions by maintaining a safe distance between the rebars and any heavy machinery or equipment to minimize the risk of accidents. Secure the rebars properly to prevent them from falling or causing injury. 8. Regularly inspect the rebars for any signs of damage, rust, or corrosion. Replace or repair any compromised rebars to avoid compromising the structural integrity of the construction project. By following these guidelines, construction sites can ensure the proper storage of steel rebars, promoting safety, efficiency, and the longevity of the rebars.
- Q:Are there any standards for the spacing of steel rebars in concrete?
- Steel rebars in concrete have specific spacing standards in place to guarantee the durability and structural integrity of the reinforced concrete. These standards may vary depending on factors such as the type of structure, load conditions, and local building codes. In the United States, the American Concrete Institute (ACI) provides guidelines for rebar spacing in their publication ACI 318, known as "Building Code Requirements for Structural Concrete." According to ACI 318, the minimum spacing between parallel reinforcing bars should be equal to or greater than the maximum bar size or 1.5 times the diameter of the largest coarse aggregate used in the concrete, whichever is larger. For instance, if the maximum bar size is 12mm and the largest coarse aggregate size is 20mm, the minimum spacing between the rebars should be 30mm (1.5 times the largest aggregate size). This ensures sufficient concrete cover around each rebar, protecting it from corrosion and providing adequate bond strength. In addition to the minimum spacing, ACI 318 also offers guidelines for the maximum spacing of rebars. These guidelines take into account factors such as the size and shape of the concrete member, the type of loading it will experience, and the required strength. The maximum spacing is typically determined to prevent excessive cracking and ensure proper distribution of loads throughout the structure. It is important to note that local building codes and regulations may have additional requirements or deviations from the ACI standards. Therefore, it is always recommended to consult the relevant building codes or work with a qualified structural engineer to ensure compliance with the specific spacing requirements for steel rebars in concrete in your area.
- Q:How are steel rebars marked for identification on construction sites?
- Various methods are commonly used to mark steel rebars for identification on construction sites. The primary method involves attaching tags or labels to the rebars, which contain crucial information like the rebar's diameter, grade, length, and any necessary specifications or codes. In addition to tags, rebars can also be marked with paint or ink. This can be achieved by either spraying or stenciling the required information directly onto the rebar's surface. Paint or ink markings are typically used for temporary identification or when using tags is not feasible. Another marking method involves using colored plastic or vinyl caps on the ends of the rebars. These caps are usually color-coded to indicate different characteristics, such as rebar size or type. This allows for easy visual identification on the construction site. It's important to note that the specific method of marking rebars may vary based on local regulations, project requirements, or the preferences of the construction company or engineer. The purpose of these markings is to ensure that rebars can be easily identified and sorted during construction, promoting proper installation and adherence to design specifications.
- Q:How are steel rebars classified based on their shape?
- Steel rebars are classified based on their shape into different categories such as plain round bars, deformed bars, and ribbed bars.
- Q:Can steel rebars be used in structures with high levels of chloride or sulfate attack?
- No, steel rebars should not be used in structures with high levels of chloride or sulfate attack. Chloride attack occurs when chloride ions penetrate the concrete and react with the steel, causing corrosion. This can result in the degradation of the rebars and the overall structural integrity of the building. Similarly, sulfate attack occurs when sulfate ions react with the components of the concrete, leading to the formation of expansive compounds that cause cracking and deterioration. To prevent these types of attacks, alternative materials such as stainless steel rebars or corrosion-resistant alloys should be used in structures exposed to high levels of chloride or sulfate. These materials have a higher resistance to corrosion and can better withstand the aggressive chemical environment. Additionally, proper design and construction techniques, such as adequate concrete cover and the use of protective coatings, can also help mitigate the effects of chloride or sulfate attack. It is important to consult with structural engineers or corrosion specialists to determine the best approach for each specific project.
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Hot Rolled Deformed Steel Rebars ASTM, GB HRB400Cr, HRB500Cr
- 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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