Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB
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- China Main Port
- Payment Terms:
- TT or LC
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Product Description:
OKorder is offering high quality Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
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
Product Advantages:
OKorder's Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB are durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
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 begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
- Q: Are there any disadvantages of using steel rebars?
- Yes, there are some disadvantages of using steel rebars. 1. Corrosion: One of the main disadvantages of steel rebars is their susceptibility to corrosion. When exposed to moisture and oxygen, steel rebars can rust over time, which weakens their structural integrity. This issue can be particularly problematic in coastal areas with high humidity levels or in structures exposed to harsh weather conditions. 2. Weight: Steel rebars are relatively heavy compared to other alternatives like fiberglass or carbon fiber reinforced polymers. This can pose challenges during transportation and installation, especially in large-scale construction projects where heavy machinery is required to move and position the rebars. 3. Cost: Steel rebars tend to be more expensive compared to other reinforcement materials, which can increase the overall cost of a construction project. Additionally, the price of steel is subject to market fluctuations, making it difficult to predict the exact budget for reinforcement materials. 4. Conductivity: Steel rebars are highly conductive to heat and electricity. This can be a disadvantage in structures that require insulation or in areas with high electrical conductivity requirements. In such cases, additional insulation or grounding measures may need to be implemented, adding extra complexity and cost to the construction process. 5. Environmental impact: Steel production is energy-intensive and contributes to greenhouse gas emissions. The extraction and processing of iron ore to manufacture steel rebars can have a significant environmental impact, including deforestation, habitat destruction, and air and water pollution. Despite these disadvantages, steel rebars remain widely used in construction due to their high tensile strength, durability, and proven track record in providing structural support. Additionally, advancements in corrosion-resistant coatings and the development of alternative reinforcement materials are continuously being explored to mitigate these drawbacks.
- Q: Excuse me, Shagang steel steel, what is the sign of
- Steel is known as hot rolled ribbed bar. Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into two levels, HRB335 (old No. 20MnSi), three HRB400 (20MnSiV, 20MnSiNb, old No. 20Mnti), four grade HRB500 three grade
- Q: What are the common mistakes to avoid when installing steel rebars?
- To ensure a successful and safe installation of steel rebars, it is important to avoid several common mistakes: 1. Placing the rebars incorrectly is a frequent error that must be avoided. Accurate placement should be carried out in accordance with the engineering or construction drawings. Any deviation from the specified location can compromise the structural integrity of the reinforced concrete. 2. Insufficient concrete cover over the rebars is another mistake to avoid. The cover acts as a protective layer, preventing corrosion and providing fire resistance. Inadequate cover can lead to premature deterioration and structural failure over time. 3. Proper support for the rebars is crucial during the concrete pouring process. Insufficient support can cause sagging or movement of the rebars, resulting in an uneven distribution of steel reinforcement and compromising the structural strength of the concrete. 4. Correct alignment and spacing of the rebars according to design specifications is essential. Improper alignment can lead to congestion, difficulties in pouring concrete, and compromised bond strength between the rebar and concrete. Similarly, incorrect spacing can result in insufficient reinforcement, reducing the overall strength of the structure. 5. Thoroughly cleaning the rebars before installation is necessary to remove rust, dirt, and other contaminants. Failure to do so can lead to poor bond strength and an increased risk of corrosion, weakening the structure over time. 6. Adequate tying of the rebars using the appropriate wire or connectors is essential to maintain alignment and ensure the structural integrity of the reinforced concrete. Neglecting proper tying can result in shifting or movement during the concrete pouring process, compromising the structural strength. 7. Lack of supervision and quality control during the installation process is a common mistake. Experienced personnel should oversee the installation to ensure compliance with design specifications, proper installation techniques, and adherence to safety guidelines. By avoiding these common mistakes, the installation of steel rebars can be carried out effectively, resulting in a strong, durable, and safe reinforced concrete structure.
- Q: What are the common mistakes to avoid when handling and storing steel rebars?
- Some common mistakes to avoid when handling and storing steel rebars include: 1. Improper handling: Rebars should be lifted and moved using appropriate equipment such as cranes or forklifts. Attempting to handle them manually can lead to injuries and damage to the rebars. 2. Inadequate storage conditions: Rebars should be stored in a clean, dry, and well-ventilated area to prevent rusting and corrosion. Exposure to moisture or extreme temperatures can degrade the quality of the rebars. 3. Insufficient support: When storing rebars horizontally, they should be placed on a flat surface and adequately supported to prevent bending or deformation. Stacking them too high without proper support can result in damage and compromise their structural integrity. 4. Inadequate protection: Rebars should be protected from direct contact with the ground or other materials that may cause damage or contamination. Using pallets or other protective barriers can help prevent rust and ensure the rebars remain in good condition. 5. Neglecting regular inspections: Regularly inspecting the rebars for signs of damage, rust, or other defects is crucial. Any compromised rebars should be removed from use to ensure safety and structural reliability. By avoiding these common mistakes, the handling and storage of steel rebars can be done effectively, ensuring their quality and performance in construction projects.
- Q: How do steel rebars affect the overall corrosion resistance of marine structures?
- The overall corrosion resistance of marine structures is significantly affected by steel rebars. Depending on various factors, the presence of steel rebars in concrete marine structures can either enhance or deteriorate their resistance to corrosion. To begin with, when appropriate preventive measures are taken, steel rebars can enhance corrosion resistance. For example, if the rebars are adequately coated with anti-corrosion materials like epoxy or zinc, they can provide an additional layer of protection against the corrosive effects of seawater. Moreover, ensuring proper concrete cover and compaction during construction can help prevent seawater from penetrating the rebars, reducing the risk of corrosion. Conversely, if steel rebars are not properly coated or if the concrete cover is insufficient, they can contribute to the degradation of marine structures. When exposed to the aggressive marine environment, rebars can corrode, leading to rust formation. Rust occupies more space than steel, causing expansion that exerts pressure on the surrounding concrete. This pressure can result in concrete cracking and spalling, further exposing the rebars to corrosion and compromising the overall structural integrity of the marine structure. Regular maintenance and inspection are crucial to mitigate the negative effects of steel rebars on corrosion resistance. Periodic inspections can help identify any signs of corrosion, enabling timely repairs or replacement of rebars. Additionally, implementing cathodic protection systems can provide an electrochemical countermeasure against corrosion, ensuring the longevity and durability of the marine structure. In conclusion, steel rebars play a vital role in the corrosion resistance of marine structures. Proper coating, concrete cover, and maintenance measures are essential to ensure the positive contribution of rebars to corrosion resistance. Neglecting these factors can lead to the degradation of marine structures.
- Q: What are the guidelines for proper cover thickness of steel rebars in concrete structures?
- The guidelines for proper cover thickness of steel rebars in concrete structures are crucial to ensure the durability and structural integrity of the construction. Here are the general guidelines for the cover thickness: 1. Building codes and regulations: Always refer to the local building codes and regulations, as they provide specific requirements for the cover thickness of steel rebars in concrete structures. These codes are developed based on extensive research, testing, and engineering standards to ensure the safety and longevity of the structure. 2. Environmental conditions: Consider the environmental conditions where the structure will be located. Factors such as exposure to corrosive substances, humidity, temperature changes, and seismic activity can affect the required cover thickness. In harsher environments, thicker covers may be necessary to provide adequate protection against corrosion. 3. Rebar diameter: The diameter of the steel rebars also plays a role in determining the appropriate cover thickness. Smaller diameter rebars may require a thinner cover compared to larger diameter rebars to maintain proper strength and prevent corrosion. 4. Structural design considerations: The design of the concrete structure, including load-bearing capacity, reinforcement layout, and anticipated stresses, should be taken into account when determining the cover thickness. Consulting with a structural engineer is essential to ensure the correct cover thickness is determined based on the specific design requirements. 5. Concrete quality: The quality and type of concrete used in the construction also affect the required cover thickness. Higher-grade concrete with better resistance to corrosion may allow for a thinner cover, while lower-grade concrete might require a thicker cover to provide adequate protection to the rebars. 6. Construction process: The construction process itself can impact the cover thickness. Proper placement and compaction of the concrete, as well as careful handling of rebars during installation, are vital to maintain the desired cover thickness. Construction workers and contractors should be trained and knowledgeable about the correct procedures to ensure the appropriate cover thickness is achieved. Following these guidelines is essential to ensure the long-term durability, safety, and performance of concrete structures. It is always recommended to consult with a qualified structural engineer or other relevant professionals to determine the specific cover thickness requirements for a particular project.
- Q: Can steel rebars be used in the construction of stadiums for indoor sports?
- Yes, steel rebars can be used in the construction of stadiums for indoor sports. Steel rebars are commonly used in the construction industry to provide reinforcement and strength to concrete structures. In the case of stadiums, steel rebars can be used to reinforce the concrete columns, beams, and slabs that make up the foundation, walls, and floors of the indoor sports facility. This ensures the structural integrity and durability of the stadium, making it capable of withstanding heavy loads and providing a safe environment for athletes and spectators.
- Q: How do steel rebars improve the structural integrity of a building?
- Enhancing the structural integrity of buildings, steel rebars, also known as reinforcement bars, play a crucial role. Used in concrete construction, they provide strength, durability, and resistance against different forces that a structure may face. One way in which steel rebars enhance the structural integrity of a building is by increasing its load-bearing capacity. When rebars reinforce concrete, it becomes more capable of withstanding heavy loads and forces generated by gravity, wind, earthquakes, or dynamic loads from human activities. Acting as a network of reinforcement, the rebars distribute the load evenly throughout the structure, preventing excessive deflection and minimizing the risk of structural failure. Furthermore, steel rebars improve the tensile strength of concrete, which is traditionally weak in tension. While concrete is excellent at bearing compression forces, it lacks the ability to efficiently resist pulling or stretching forces. By incorporating rebars into the concrete, the combination of materials works together to withstand compression and tension forces more effectively. This prevents cracks and fractures from spreading in the concrete, as the rebars act as a support system that holds the structure together. Another advantage of using steel rebars is their resistance to corrosion. Steel is highly durable and can withstand harsh environmental conditions, reducing the risk of degradation over time. This ensures the longevity of the building's structural elements and reduces the need for expensive repairs or replacements. Additionally, steel rebars offer flexibility in design and construction. They can be molded into various shapes and sizes to meet specific structural requirements, allowing for optimal distribution of reinforcement where it is most needed. This flexibility enables architects and engineers to design buildings that are aesthetically pleasing and safe, without compromising on structural integrity. In conclusion, steel rebars significantly enhance the structural integrity of buildings by increasing load-bearing capacity, improving tensile strength, resisting corrosion, and providing design flexibility. By reinforcing concrete, they ensure that structures are better equipped to withstand various forces and maintain stability and safety over time.
- Q: Can steel rebars be used in structures with high resistance to abrasion?
- Yes, steel rebars can be used in structures with high resistance to abrasion. Steel rebars are commonly used in reinforced concrete structures to add strength and durability. The steel used in rebars is specifically chosen for its high tensile strength and resistance to various environmental conditions. While rebars themselves may not be inherently resistant to abrasion, the concrete that surrounds the rebars provides protection against abrasion. When properly designed and constructed, reinforced concrete structures with steel rebars can withstand high levels of abrasion and maintain their structural integrity over time. Additionally, epoxy-coated rebars can be used in areas with high abrasion or corrosive environments to provide an extra layer of protection against both abrasion and corrosion.
- Q: How do steel rebars improve the load-carrying capacity of concrete?
- Steel rebars improve the load-carrying capacity of concrete by providing additional tensile strength. When concrete is subjected to heavy loads or forces, it tends to crack under tension. The inclusion of steel rebars within the concrete helps to counteract this weakness by absorbing the tensile forces and distributing them throughout the structure. This reinforcement enhances the overall durability and structural integrity of the concrete, allowing it to bear heavier loads without failing.
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Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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