Metallic material steel rebar for construction concrete for building metal
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
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Specification
Epoxy-coated rebar or stainless steel rebar may be employed in these situations at greater initial expense, but
significantly lower expense over the service life of the project. Fiber-reinforced polymer rebar is now also being
used in high-corrosion environments
Most grades of steel used in rebar cannot accept welding; such as, to adjacent steel plates or as means to bind
single pieces of rebar together. However, special grades of rebar steel and welding rods make welding by expert
welders possible.
To prevent workers from accidentally impaling themselves, the protruding ends of steel rebar are often bent over
or covered with special plastic "mushroom" caps.
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
|
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: What are the factors that determine the spacing of steel rebars in a concrete structure?
- The factors that determine the spacing of steel rebars in a concrete structure include the structural requirements, design codes and standards, load conditions, and the size and shape of the concrete members. Additionally, factors like concrete cover requirements, durability considerations, and construction constraints also play a role in determining the spacing of steel rebars.
- Q: Are steel rebars suitable for reinforcement in historical buildings?
- Yes, steel rebars can be suitable for reinforcement in historical buildings. They provide structural strength and durability, and when used appropriately, they can help preserve the integrity of the historical structure. However, it is crucial to consider the specific characteristics and requirements of the historical building, as well as consult with experts and follow conservation guidelines, to ensure the appropriate use of steel rebars in reinforcement.
- Q: What are the factors to consider while calculating the required number of steel rebars in a project?
- There are several factors to consider while calculating the required number of steel rebars in a project. Some of these factors include the structural design, the load-bearing capacity, the concrete strength, the reinforcement spacing and arrangement, the bar diameter and size, the project specifications and requirements, and any applicable building codes and regulations. Additionally, factors such as the length and width of the structure, the type of construction (e.g., residential, commercial, industrial), and the environmental conditions should also be taken into account.
- Q: How do steel rebars enhance the bond between concrete and reinforcement?
- Steel rebars enhance the bond between concrete and reinforcement by providing a mechanical interlock between the two materials. The ribs on the surface of rebars increase the surface area, allowing for greater adhesion and friction between the concrete and steel. This increased bond strength helps to transfer loads and stresses between the concrete and reinforcement, making the structure more durable and resistant to cracking or failure.
- Q: Can steel rebars be used in structures with high chemical exposure?
- No, steel rebars should not be used in structures with high chemical exposure because they are prone to corrosion and may deteriorate over time.
- Q: What is the recommended method for splicing steel rebars together?
- The recommended method for splicing steel rebars together is typically done using mechanical splices or couplers, which provide a strong and reliable connection between the rebars. This method involves joining the rebars by screwing, clamping, or compressing them together, ensuring sufficient overlap and adequate transfer of load between the bars. It is important to follow the specific guidelines and recommendations provided by structural engineers, as well as any applicable building codes and standards, to ensure the integrity and safety of the spliced rebars.
- Q: Are steel rebars prone to expansion and contraction?
- No, steel rebars are not prone to expansion and contraction as they have low thermal expansion coefficients.
- Q: Can steel rebars be used for both residential and commercial construction?
- Yes, steel rebars can be used for both residential and commercial construction. Steel rebars are commonly used to reinforce concrete structures, such as foundations, walls, and beams, in a wide range of construction projects, including both residential and commercial buildings. The use of steel rebars provides strength and durability to the concrete, ensuring the integrity of the structure in both types of construction.
- Q: What are the common myths and misconceptions about steel rebars?
- Addressing the importance of dispelling myths and misconceptions surrounding steel rebars is necessary for a better comprehension of their properties and applications. One prevalent myth is the ease with which steel rebars rust. Although steel can rust, rebars are typically manufactured using corrosion-resistant materials, such as epoxy-coated or galvanized steel. These coatings form a protective layer that prevents rusting, resulting in rebars that are highly durable and long-lasting, even in harsh environments. Another misconception is that larger rebars always offer stronger reinforcement. While the size or diameter of a rebar does contribute to its strength, it is not the sole determining factor. The quality or grade of the steel used, as well as its proper positioning within the concrete structure, are equally significant. Engineers meticulously calculate the necessary strength and spacing of rebars based on the specific load and structural requirements. Some individuals hold the belief that steel rebars are exclusively utilized in extensive construction projects. However, rebars are commonly employed in various construction applications, ranging from residential buildings to bridges and highways. Their versatility and strength make them indispensable components in reinforcing concrete structures of all sizes. There is also a misconception that steel rebars heighten the risk of electrical conductivity. While steel is an electricity conductor, the presence of rebars within a concrete structure does not significantly increase the likelihood of electrical hazards. Concrete acts as an insulator, and rebars are typically encased within it, thereby reducing the chances of contact with electrical currents. Finally, there exists a myth that steel rebars are expensive and unaffordable for most construction projects. In reality, the cost of rebars varies depending on factors such as grade, size, and quantity required. There are numerous options available to accommodate different budgets and project needs. Furthermore, the longevity and durability of steel rebars make them a cost-effective choice in the long term. In conclusion, dispelling myths and misconceptions surrounding steel rebars is crucial. Understanding their corrosion resistance, the role of size and placement, their versatility, the risks associated with electrical conductivity, and their cost-effectiveness will enable informed decision-making when it comes to reinforcing concrete structures.
- Q: What are the guidelines for inspecting steel rebars on a construction site?
- To ensure the structural integrity and compliance with safety standards, specific guidelines must be followed when inspecting steel rebars on a construction site. The following are some essential guidelines for this inspection: 1. Visual Assessment: Begin by visually examining the entire rebar installation, checking for any indications of damage, rust, or corrosion. Verify that the rebars are aligned, spaced, and placed correctly as specified in the construction drawings. 2. Rebar Specifications: Confirm that the rebars used meet the specifications outlined in the construction plans. Inspect the size, grade, and type of steel rebars to ensure they meet the required standards and are suitable for the intended load-bearing capacity. 3. Positioning and Spacing: Ensure that the rebars are positioned and spaced properly according to the design drawings. Check for the appropriate lap length (the overlapping of rebars) to ensure structural stability and even load distribution. 4. Clear Cover: Inspect the clear cover, which is the distance between the outer surface of the rebar and the concrete surface. Ensure that the clear cover meets the specified requirements as it is crucial for protecting against corrosion and ensuring structural durability. 5. Vertical Alignment: Check the vertical alignment or plumbness of the rebars. They should be straight and aligned with the required position, avoiding excessive bending or curving. 6. Rebar Connections: Inspect the connections between rebars, such as lap splices or mechanical couplers. Verify that the connections are made correctly and comply with approved construction standards. 7. Welding: If welding is used to join rebars, ensure that it is performed by certified welders and meets the required specifications. Inspect the quality of the welding joints, including the depth of penetration and the absence of defects or cracks. 8. Protective Coating: Verify the presence and condition of any protective coating applied to the rebar, such as epoxy coatings or galvanization, to prevent corrosion and enhance longevity. 9. Documentation: Maintain detailed records of the inspection process, including photographs, measurements, and any deviations or corrective actions taken. These records will serve as essential documentation for quality control and future reference. 10. Compliance with Regulations: Ensure that the inspection adheres to relevant local building codes, industry standards, and project specifications. Familiarize yourself with the applicable regulations to ensure compliance throughout the inspection process. By following these guidelines, construction site inspectors can contribute to the overall success of the construction project by ensuring the quality, safety, and longevity of steel rebars.
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Metallic material steel rebar for construction concrete for building metal
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
OKorder Financial Service
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