GB Standard HRB400 Steel Deformed Bar 14mm/16mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 20000 m.t/month
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GB Standard HRB400 Steel Deformed Bar 14mm/16mm
Description:
-Standard: GB
-Material: HRB400
-Specification:
| Diameter(mm) | Section Area(mm2) | Mass(Kg/m) | Length(m) |
| 14 | 153.9 | 1.21 | 9, 12 or as customs' request |
| 16 | 201.1 | 1.58 | 9, 12 or as customs' request |
Chemical Composition(%) of GB Standard HRB400 Steel Deformed Bar 14mm/16mm:
| C | Mn | Si | S | P | V |
| ≤0.25 | ≤1.60 | ≤0.08 | ≤0.045 | ≤0.045 | 0.04-0.12 |
Mechanical Properties of GB Standard HRB400 Steel Deformed Bar 14mm/16mm:
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) |
≥400 | ≥570 | ≥14 |
Usage and Applications of GB Standard HRB400 Steel Deformed Bar 14mm/16mm:
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 GB Standard HRB400 Steel Deformed Bar 14mm/16mm:
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
Images of GB Standard HRB400 Steel Deformed Bar 14mm/16mm:
*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.
- Q:Can steel rebars be used in underground parking garage construction?
- Indeed, steel rebars find utility in the construction of underground parking garages. They are frequently employed in the reinforcement of concrete structures, including those built below the ground level. By endowing the concrete with strength and reinforcement, the rebars enable it to withstand the immense weight and pressure exerted by the structure above. Moreover, steel rebars possess remarkable resistance to corrosion—a quality of utmost significance in subterranean environments where moisture and other corrosive agents are likely to exist. In summary, steel rebars emerge as a dependable and widely preferred option for reinforcing concrete during the construction of underground parking garages.
- Q:What is the recommended minimum diameter of steel rebars used in earthquake-prone areas?
- The recommended minimum diameter of steel rebars used in earthquake-prone areas is typically around 12mm to 16mm. However, it is important to note that the specific diameter requirements may vary depending on the local building codes and seismic design criteria of the area.
- Q:Why can not the finish thread steel be welded?
- This is generally superior to alloy steel. Carbon content is relatively high, poor weldability, welding conditions are very demanding, but also produce high temperature welding, it is easy to destroy the original material performance. So, under normal circumstances, on-site welding is not allowed.
- Q:Why can't grounding steel be used?
- The edge of the thread of the thread will have a point charge accumulation discharge, and the uniform dispersion of the ground current is unfavorable
- Q:What are the main uses of threaded steel?
- The rebar is a kind of small section steel, mainly used for the skeleton of reinforced concrete construction members.
- Q:Can steel rebars be used in wastewater treatment plant construction?
- Yes, steel rebars can be used in wastewater treatment plant construction. Steel rebars are commonly used for reinforcement in concrete structures, providing strength and durability to withstand the harsh conditions present in wastewater treatment plants.
- Q:How do steel rebars impact the durability of concrete structures?
- Steel rebars have a significant impact on the durability of concrete structures. The addition of steel rebars enhances the strength and overall performance of concrete, making it more resistant to various external forces and extending its lifespan. Firstly, steel rebars provide structural reinforcement to concrete structures. The tensile strength of concrete is relatively low, making it susceptible to cracking and failure under tensile stresses. By incorporating steel rebars into the concrete, these tensile stresses are effectively distributed throughout the structure, preventing cracks from forming and improving its overall load-bearing capacity. This reinforcement helps to ensure that the concrete structure can withstand the forces it is subjected to, whether it be from gravity, wind, earthquakes, or other external factors. Moreover, steel rebars also play a crucial role in preventing corrosion in concrete structures. Concrete is highly alkaline, which naturally provides a protective environment for embedded steel. However, over time, various factors such as exposure to moisture, chloride ions, and carbonation can lead to the breakdown of this protective layer, causing the steel to corrode. Corrosion not only weakens the rebars but also causes the surrounding concrete to crack and spall, compromising the durability of the structure. By using steel rebars with appropriate protective coatings or stainless steel, the risk of corrosion is significantly reduced, thus enhancing the longevity and durability of the concrete structure. Furthermore, steel rebars contribute to the durability of concrete structures by providing dimensional stability. Concrete tends to shrink and expand due to changes in temperature and moisture content, which can result in cracking and deformation. The inclusion of steel rebars helps to minimize these movements by providing restraint and stabilizing the structure, preventing excessive cracking and maintaining its integrity over time. In summary, steel rebars play a vital role in enhancing the durability of concrete structures. They provide structural reinforcement, prevent corrosion, and ensure dimensional stability. By incorporating steel rebars into concrete, structures become stronger, more resistant to external forces, and have an extended lifespan, ultimately leading to safer and more durable buildings and infrastructure.
- Q:What is the average lifespan of steel rebars in a structure?
- The average lifespan of steel rebars in a structure can vary depending on several factors such as the quality of the steel, environmental conditions, maintenance, and structural design. However, in general, steel rebars are designed to last for several decades, with an average lifespan ranging from 50 to 100 years.
- Q:What are the factors to consider when choosing steel rebars for a project?
- When choosing steel rebars for a project, there are several important factors to consider. 1. Grade of Steel: The grade of steel rebars determines its strength and durability. It is crucial to select a grade that is appropriate for the specific project requirements and structural design. Higher grades of steel rebars provide better resistance to corrosion and have higher tensile strength. 2. Size and Shape: The size and shape of the rebars should be chosen based on the structural design and load requirements. Different projects may require different diameters and lengths of rebars. It is important to consider the specific dimensions and spacing requirements to ensure optimal reinforcement. 3. Corrosion Resistance: Depending on the project's location and exposure to environmental conditions, it is essential to select rebars with appropriate corrosion resistance. This can be achieved by using rebars with protective coatings, such as epoxy or galvanized coatings, or by choosing stainless steel rebars. 4. Weldability: If welding is required for the project, it is important to consider the rebars' weldability. Some rebars may require special procedures or preheating before welding, while others may not be suitable for welding at all. 5. Cost: The cost of steel rebars can vary based on grade, size, and other factors. It is important to balance the project's budget with the required quality and strength of the rebars. Additionally, considering the rebars' lifecycle cost, including maintenance and potential repairs, can help make a more economical choice. 6. Availability: The availability of the required rebars in the local market should be considered. It is important to ensure that the desired grade, size, and quantity of rebars are readily available to avoid delays in the project. 7. Compliance with Standards: Steel rebars should meet the relevant national or international standards, such as ASTM or BS, to ensure their quality and performance. Compliance with these standards ensures that the rebars have been manufactured and tested to meet specific requirements. 8. Expert Advice: Consulting with structural engineers or experts in steel reinforcement can provide valuable insights and recommendations. They can assess the project's needs and provide guidance on the most suitable rebars for the specific application. Considering these factors will help ensure the selection of appropriate steel rebars that meet the project's requirements in terms of strength, durability, corrosion resistance, and cost-effectiveness.
- Q:What are the guidelines for the proper anchoring of steel rebars in walls?
- To ensure the structural integrity and stability of the construction, it is crucial to properly anchor steel rebars in walls. Here are some guidelines to adhere to for the correct anchoring of steel rebars in walls: 1. Determine the necessary rebar size and spacing: The design specifications and load requirements dictate the size and spacing of rebars. Consult a structural engineer or refer to building codes for the appropriate rebar size and spacing. 2. Clean and prepare the concrete surfaces: Prior to anchoring the rebars, ensure that the concrete surfaces are clean and devoid of dust, debris, and loose material. Utilize a wire brush or compressed air to eliminate any contaminants. 3. Employ appropriate anchoring techniques: The most widely used method for anchoring steel rebars in walls is embedding them into the concrete. Ensure secure embedding by following these steps: a. Drill holes: Drill holes in the concrete wall at designated locations and depths, ensuring the hole diameter matches the rebar size. b. Clean the drilled holes: Utilize compressed air or a brush to remove any dust or debris from the drilled holes. c. Insert rebars: Insert the rebars into the drilled holes, making sure they reach the required embedment depth. d. Maintain proper spacing: Follow design requirements to maintain the specified spacing between rebars. e. Secure rebars: Use suitable anchoring materials like epoxy resin or grout to secure the rebars in place. Adhere to the manufacturer's instructions for mixing and applying the anchoring material. f. Verify proper alignment: Before the anchoring material sets, ensure the rebars are correctly aligned both horizontally and vertically. 4. Allow sufficient curing time: After anchoring the rebars, allow ample time for the anchoring material to cure. This guarantees that the rebars are firmly secured in place. 5. Adequately protect the rebars: Once the rebars are anchored, protect them from corrosion by applying a suitable corrosion-resistant coating or by using corrosion-resistant rebars. It is imperative to adhere to these guidelines, as improper anchoring of steel rebars can compromise the structural integrity of the walls and pose safety risks. Always consult a qualified structural engineer or building professional for specific guidelines tailored to your project.
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GB Standard HRB400 Steel Deformed Bar 14mm/16mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 20000 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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