Concrete Reinforcing Steel Bar from 8mm to 40mm
- 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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Concrete Reinforcing Steel Bar from 8mm to 40mm
Main Structure of Concrete Reinforcing Steel 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 Concrete Reinforcing Steel 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 . |
Datas for Concrete Reinforcing Steel Bar
HRB400 | Chemical Composition(%) | C | Mn | Si | P | S |
0.25max | 1.60max | 0.80max | 0.045max | 0.045max | ||
Mechanical Property | Yield Strength | Tensile Strenth | Elongation | |||
400Mpa min | 540Mpa min | 16% | ||||
HRB500 | Chemical Composition(%)
| C | Mn | Si | P | S |
0.25max | 1.60max | 0.80max | 0.045max | 0.045max | ||
Mechanical Property | Yield Strength | Tensile Strength | Elongation | |||
500Mpa min | 630Mpa min | 15% | ||||
HRB335 | Chemical Composition (%) | C | Mn | Si | P | S |
0.25max | 1.60max | 0.80max | 0.045max | 0.040max | ||
Mechanical Property | Yield Strength | Tensile strength | Elongation | |||
335Mpa min | 455Mpa min | 17% | ||||
FAQ
Q: Why should you choose us:
A: 1. More than 10 years experience in this industry
2. 100,000 tons exporting per month
3. Professional foreign trade tea
4. OEM&ODM capacity
5. High quality assured & competitive price
6. Try our best to meet your needs & save your budget
7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.
8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.
12px; font-style: inherit; font-variant: inherit; font-weight: 400; line-height: inherit; float: none; word-wrap: break-word; color: rgb(0, 0, 0); border: 1px solid rgb(204, 204, 204);"> Elongation 335Mpa min 455Mpa min 17%
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- Q:Can steel rebars be used in foundations and footings?
- Certainly, steel rebars are suitable for use in foundations and footings. In fact, these applications commonly employ steel rebars owing to their exceptional tensile strength and durability. Typically composed of carbon steel, steel rebars reinforce concrete structures effectively, bolstering their resistance against tension and bending forces. By integrating rebars into the concrete, additional strength is provided, mitigating the risk of cracking or failure when subjected to heavy loads. Consequently, utilizing steel rebars in foundations and footings is an established construction practice, guaranteeing the stability and longevity of the structure.
- Q:How are steel rebars coated with epoxy?
- Steel rebars are coated with epoxy through a process called fusion bonding. In this process, the rebars are first cleaned and preheated, and then a layer of epoxy powder is applied to their surface. The rebars are then heated to a high temperature, causing the epoxy powder to melt and fuse with the steel, creating a durable and protective coating.
- Q:Can steel rebars be used in the renovation of historic structures?
- The utilization of steel rebars is possible in the restoration of historical edifices. In construction endeavors, it is customary to employ steel rebars to fortify and enhance the stability of buildings, including those with historical significance. Throughout the renovation of historical structures, it is imperative to uphold the original essence and integrity of the edifice, whilst guaranteeing its stability and safety. By strategically incorporating steel rebars into the renovation process, it is feasible to reinforce fragile areas, strengthen load-bearing components, and extend the structure's lifespan without compromising its historical value. Nevertheless, it is vital to collaborate with competent architects, engineers, and preservationists who possess expertise in historical preservation. This ensures that the implementation of steel rebars is executed in a manner that respects the original design and materials of the historical structure.
- Q:What are the factors considered in designing with steel rebars?
- Some of the factors considered in designing with steel rebars include the structural requirements of the project, including the load that the rebars will need to support and the overall design and layout of the structure. Other factors include the type and grade of steel being used, the corrosion resistance properties, the spacing and arrangement of the rebars, and the connection details between the rebars and other structural elements. Additionally, factors such as construction techniques, budgetary constraints, and local building codes and regulations also influence the design considerations for steel rebars.
- Q:What are the guidelines for spacing and positioning steel rebars in concrete structures?
- The guidelines for spacing and positioning steel rebars in concrete structures are critical to ensure the structural integrity and durability of the construction. Here are some key guidelines to follow: 1. Rebar Spacing: The spacing between steel rebars in concrete structures is determined by the structural engineer or designer. It is typically expressed in terms of center-to-center spacing or clear distance between rebars. The spacing depends on the load requirements, concrete strength, and other factors specific to the project. The most common spacing ranges from 4 to 12 inches. 2. Cover Depth: The concrete cover depth refers to the distance between the outer surface of the concrete and the nearest surface of the rebar. It is essential to provide adequate cover to protect the rebars from environmental factors, such as corrosion and fire. The cover depth is typically specified in the project's design and can vary depending on the concrete's exposure conditions. 3. Rebar Positioning: The proper positioning of rebars is crucial to ensure they are placed in the designated locations within the concrete structure. The rebars should be securely supported and maintained in the correct alignment during the concrete pouring process. The positioning requirements may include specific lap lengths, overlaps, or hooking of rebars at junctions to ensure proper load transfer and structural continuity. 4. Chair Supports: Rebar chair supports are widely used to maintain the correct spacing and elevation of the rebars within the concrete structure. These supports are placed under the rebars at regular intervals to prevent sagging or displacement during concrete placement. The appropriate chair support type and height should be selected based on the project's requirements and the diameter of the rebars. 5. Tying and Binding: Proper tying and binding of rebars are essential to ensure they remain in position and maintain the required spacing during the concrete pouring process. Rebars should be tied securely using wire or rebar ties at appropriate intervals, typically every 12-18 inches. The ties should be tight enough to prevent movement but not overly tight to avoid damaging the rebars or causing concrete segregation. 6. Concrete Consolidation: During concrete placement, it is crucial to properly consolidate the concrete around the rebars to eliminate air voids and ensure adequate bonding between the concrete and the rebars. Vibrators or other consolidation techniques should be used to achieve proper compaction and ensure the rebars are thoroughly embedded in the concrete. Compliance with the guidelines for spacing and positioning steel rebars in concrete structures is essential to guarantee the structural strength, durability, and safety of the construction. It is crucial to consult and follow the project's design specifications and engage qualified professionals to ensure proper execution and adherence to these guidelines.
- Q:How do steel rebars affect the electrical conductivity of a structure?
- Steel rebars do not significantly affect the electrical conductivity of a structure. Steel is a good conductor of electricity, but the presence of steel rebars in a structure does not significantly impact its overall electrical conductivity. This is because the rebars are typically surrounded by concrete, which is a poor conductor of electricity. The concrete acts as an insulator, preventing the flow of electrical current through the rebars. However, it is worth noting that if there are any electrical connections or installations directly attached to the steel rebars, such as grounding systems, these can affect the electrical conductivity within that specific area. Overall, the presence of steel rebars in a structure does not have a significant impact on its overall electrical conductivity.
- Q:What is the maximum spacing allowed between vertical steel rebars in columns?
- The maximum spacing allowed between vertical steel rebars in columns typically depends on various factors such as the structural design requirements, column dimensions, load conditions, and local building codes. However, a common guideline is to keep the spacing between vertical rebars within 3-6 inches (7.6-15.2 centimeters) to ensure adequate structural integrity and reinforcement. It is essential to consult with a structural engineer or refer to the specific building codes and design specifications for accurate information regarding the maximum spacing allowed in a particular project.
- 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 effect of corrosion on the strength of steel rebars?
- The effect of corrosion on the strength of steel rebars is detrimental. Corrosion weakens the steel rebars by causing the formation of rust and ultimately leading to the loss of structural integrity. As corrosion progresses, the rebars may become brittle, reducing their load-bearing capacity and increasing the risk of structural failure. Therefore, regular inspection, maintenance, and corrosion prevention measures are crucial to ensure the strength and durability of steel rebars in construction projects.
- Q:What are the different types of steel rebars used in building construction?
- The different types of steel rebars used in building construction include plain carbon steel rebars, epoxy-coated rebars, galvanized rebars, stainless steel rebars, and high-strength rebars.
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Concrete Reinforcing Steel Bar from 8mm to 40mm
- 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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