Building Material Hot Rolling Bar Rebar Coil 6mm-10mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 1500 m.t./month
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Building Material Hot Rolling Bar Rebar Coil 6mm-10mm
Main Structure of Rolling Bar
Standard: AISI, ASTM, BS, DIN, GB
Grade: HRB400
Diameter: 6mm-10mm
Length: 1.6-1.9ton/coil
Application: for construction
rebar coil size: 6mm-10mm
steel grade: hrb400 , hrb500, gr.60 , hrb335,q235 q255 q275
Description for Rolling Bar
Type | Coiled reinforced bar/rebar coil |
Steel Grade | hrb500, gr.60 ,q235 ,q255,q275 |
Size | 6mm-10mm |
Unit weight | 1.6-1.9tons/coil |
Application | Building/project construction |
Packing | In coil with steel strip ,in bulk . |
Content | C% | Mn% | Si% | Cr% | Ni% | S% | P% | Cr% |
HRB400 | 0.14-0.22 | 0.40-0.65 | 0.05-0.15 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
HRB400E | 0.14-0.22 | 0.40-0.65 | 0.15-0.30 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
HRB500 | 0.28-0.37 | 0.50-1.00 | 0.05-0.15 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
HRB500E | 0.28-0.37 | 0.50-1.00 | 0.15-0.30 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
FAQ
WHY SHOULD YOU CHOOSE US:
Stable quality ----continous casting hot rolled production techenic, strictly quality control system.
Lower price -------Not the cheapest but the lowest price at the same quality .
Good service -----Satisfactory service within 24hours.
Delivery time ------15-25days for the mass production .
Discount---------------discount base on monthly large quantity purchase in long term
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- Q: What are the common mistakes to avoid while using steel rebars?
- Some common mistakes to avoid while using steel rebars include improper placement and spacing, insufficient concrete cover, using rusty or damaged rebars, improper anchoring or tying, and neglecting to clean and prepare the rebars before installation.
- Q: How do steel rebars affect the overall seismic performance of buildings?
- Steel rebars play a crucial role in enhancing the overall seismic performance of buildings. They improve the structural integrity and strength of concrete, which is especially important during earthquakes. By reinforcing the concrete, rebars help to distribute the seismic forces more uniformly, reducing the likelihood of structural failure. Additionally, rebars increase the ductility and flexibility of the building, allowing it to absorb and dissipate seismic energy, thus minimizing the damage caused by the earthquake. Therefore, steel rebars significantly contribute to the improved seismic performance and safety of buildings.
- Q: Can steel rebars be used in structures with high seismic activity?
- Yes, steel rebars can be used in structures with high seismic activity. Steel rebars are commonly used in seismic-resistant structures due to their high strength and ductility, which allows them to absorb and dissipate seismic energy effectively. Additionally, steel rebars can be designed and reinforced to enhance the overall seismic performance of a structure, making them a suitable choice for buildings located in regions prone to earthquakes.
- Q: Can steel rebars be used in structures with high resistance to vibration?
- Yes, steel rebars can be used in structures with high resistance to vibration. Steel rebars are commonly used as reinforcement in concrete structures to increase their strength and durability. The use of steel rebars enhances the structural integrity of a building or infrastructure, making it more resistant to various forces, including vibrations. Steel rebars possess excellent tensile strength and stiffness, which allows them to absorb and distribute the applied loads evenly throughout the structure. This property helps to minimize localized stress concentrations that could lead to vibrations or structural failure. Additionally, steel rebars can effectively control the crack widths and prevent the propagation of cracks, further enhancing the structure's resistance to vibrations. Moreover, steel rebars can be designed to meet specific requirements based on the expected vibration levels. By utilizing rebars with appropriate diameters, spacing, and anchorage details, the structure can be engineered to withstand vibrations caused by various external factors, such as earthquakes, wind loads, or nearby machinery. It is crucial to ensure proper design and detailing of steel rebars in structures with high resistance to vibration. The reinforcement layout should be carefully planned to account for the anticipated forces and vibrations. Additionally, the rebars should be adequately anchored and connected to other structural members to maintain their effectiveness in resisting vibrations. Overall, steel rebars are a reliable and widely-used reinforcement material that can significantly enhance the resistance of structures to vibrations when designed and implemented correctly.
- Q: How do steel rebars affect the crack width in reinforced concrete?
- Controlling and minimizing crack width in reinforced concrete structures is a crucial role played by steel rebars. Tensile strength is the primary function of steel rebars, as concrete alone is weak in tension. When a load is applied to reinforced concrete, the steel rebars resist the tensile forces and prevent cracks from widening. The presence of steel rebars helps evenly distribute stress and strain throughout the concrete, which confines and limits the width of cracks that may occur due to external loads or shrinkage. The rebars act as reinforcement, inhibiting crack propagation and reducing crack width. This is especially important in structural elements like beams and columns, where crack control is critical to maintaining structural integrity and durability. The crack width in reinforced concrete is also influenced by the diameter, spacing, and arrangement of rebars. Properly designed and placed rebars provide optimal crack control. As the diameter and spacing of rebars decrease, the crack width also decreases. Additionally, using a specific pattern for rebar arrangement, such as a mesh or grid, can further enhance crack control by offering additional resistance to crack propagation. Furthermore, the bond between steel rebars and concrete is essential for crack width control. Adequate bond strength ensures effective stress transfer from rebars to concrete, which limits crack width. Insufficient bond can result in slip between rebars and concrete, allowing cracks to widen. In conclusion, steel rebars have a significant impact on crack width in reinforced concrete by providing tensile strength, distributing stress and strain, confining cracks, and enhancing the bond between steel and concrete. Proper design, placement, and arrangement of rebars are crucial for effective crack control, ultimately improving the overall performance and longevity of reinforced concrete structures.
- Q: What are the guidelines for protecting steel rebars during concrete placement and compaction?
- The guidelines for protecting steel rebars during concrete placement and compaction include ensuring that the rebars are clean and free from any rust, grease, or other contaminants. They should be properly tied and supported to maintain their position and prevent displacement during the concrete pouring process. Additionally, rebars should be adequately spaced to allow concrete to flow around them and provide sufficient cover, as specified in the design requirements. Care should be taken to avoid damaging the rebars during compaction, and vibrating equipment should be used cautiously to prevent excessive force or vibration that could cause rebars to shift or become dislodged. Regular inspections should be conducted to check for any damage or movement of the rebars, and necessary repairs or reinforcement should be done promptly to ensure the structural integrity of the concrete.
- Q: How long do steel rebars typically last in a building?
- Steel rebars typically last for the lifetime of a building, which can be several decades or even centuries, depending on factors such as the quality of the rebar, the environment it is exposed to, and proper maintenance practices.
- Q: How do steel rebars resist abrasion in concrete structures?
- Steel rebars resist abrasion in concrete structures due to their high tensile strength and durability. When embedded within the concrete, the rebars act as reinforcement, providing additional strength to the structure. During the setting and hardening process of concrete, rebars are firmly embedded within the mixture, creating a strong bond. This bond ensures that the rebars remain securely in place, even when subjected to external forces such as abrasion. The surface of steel rebars is typically treated to enhance their resistance to abrasion. This can include processes such as hot-dip galvanizing or epoxy coating. These surface treatments create a protective layer that shields the rebars from the abrasive effects of the surrounding concrete and other external factors. Furthermore, steel rebars are designed with ridges or deformations along their surface. These ridges increase the surface area of the rebars, promoting a stronger bond with the concrete. This increased bond helps to distribute external forces, such as abrasion, more evenly throughout the structure, reducing the risk of localized damage. In summary, the high tensile strength, durability, and surface treatments of steel rebars, along with their ability to form a strong bond with concrete, enable them to resist abrasion in concrete structures.
- Q: Can steel rebars be used in structures with high electrical conductivity requirements?
- No, steel rebars cannot be used in structures with high electrical conductivity requirements as steel is a poor conductor of electricity.
- Q: What are the different types of steel rebars used in marine construction?
- There are several different types of steel rebars commonly used in marine construction projects. These types of rebars are specifically designed to withstand the harsh conditions and corrosive environments typically found in marine structures. 1. Stainless Steel Rebars: These rebars are made of high-grade stainless steel, which contains chromium and nickel. Stainless steel rebars offer excellent resistance to corrosion and are commonly used in marine construction where exposure to saltwater and other corrosive elements is expected. They are more expensive than other types of rebars but provide superior durability and longevity. 2. Epoxy-Coated Rebars: Epoxy-coated rebars are carbon steel rebars that have been coated with an epoxy layer. This coating acts as a protective barrier, preventing the steel from coming into contact with corrosive elements and reducing the risk of rust and corrosion. Epoxy-coated rebars are commonly used in marine construction projects where saltwater exposure is high. 3. Galvanized Rebars: Galvanized rebars are carbon steel rebars that have been hot-dip galvanized. This process involves coating the steel with a layer of zinc, which provides excellent corrosion resistance. Galvanized rebars are commonly used in marine construction projects where exposure to seawater or salt spray is expected. 4. Fiberglass Rebars: Fiberglass rebars are made of high-strength glass fibers embedded in a polymer matrix. These rebars offer excellent resistance to corrosion, as they are not affected by saltwater or other corrosive elements. Fiberglass rebars are lightweight, non-magnetic, and have a high tensile strength, making them suitable for marine construction projects. 5. Carbon Steel Rebars: Carbon steel rebars are the most common type of rebars used in construction, including marine projects. While they are not inherently resistant to corrosion, they can be treated with protective coatings, such as epoxy or galvanization, to enhance their durability and resistance to corrosive environments. It is important to consider the specific requirements and conditions of a marine construction project when selecting the appropriate type of steel rebars. Factors such as exposure to saltwater, humidity, and the expected lifespan of the structure should be taken into account to ensure the longevity and safety of the marine structure.
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Building Material Hot Rolling Bar Rebar Coil 6mm-10mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 1500 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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