Deformed Steel Bar 6mm-50MM ASTM A615 Or BS4449
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Product Description:
OKorder is offering Deformed Steel Bar 6mm-50MM ASTM A615 Or BS4449 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 Steel Bar 6mm-50MM ASTM A615 Or BS4449 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: How do we guarantee the quality of our products?
A1: 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.
Q2: How soon can we receive the product after purchase?
A2: 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.
Q3: What makes stainless steel stainless?
A3: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q: Are steel rebars susceptible to hydrogen embrittlement?
- Yes, steel rebars are susceptible to hydrogen embrittlement.
- Q: How do steel rebars contribute to the structural stability of a building?
- Steel rebars contribute to the structural stability of a building by providing reinforcement to concrete structures. They increase the tensile strength of concrete, allowing it to withstand bending and stretching forces. This reinforcement helps prevent cracks and failures in the building, making it more resistant to seismic activity, heavy loads, and other external factors that could compromise its stability.
- Q: What are the different methods of connecting steel rebars?
- There are various methods of connecting steel rebars, including lap splicing, mechanical splicing, and welding. Lap splicing involves overlapping the rebars and securing them with wire or tie bars. Mechanical splicing utilizes couplers or threaded sleeves to connect the rebars. Welding involves melting the rebars together to form a strong bond. Each method has its advantages and suitability depending on the specific requirements of the construction project.
- Q: How do steel rebars perform in blast-resistant structures?
- Steel rebars perform well in blast-resistant structures due to their high tensile strength and ductility. They are able to absorb and distribute the energy produced by a blast, reducing the impact on the structure and preventing collapse. The use of steel rebars in reinforced concrete provides additional structural integrity, making the overall construction more resilient against blast forces.
- Q: What is the impact strength of steel rebars?
- Steel rebars' impact strength can vary based on factors like steel composition, manufacturing process, and rebar grade. However, steel rebars are generally renowned for their high impact strength, enabling them to endure significant forces and impacts without fracturing or breaking. In construction projects, steel rebars are frequently employed to reinforce concrete structures and provide added strength. Their exceptional impact strength enables them to withstand heavy loads, vibrations, and even extreme weather conditions. The impact strength of steel rebars is vital in guaranteeing the structural integrity and safety of buildings and infrastructure. They play a pivotal role in preventing building collapse under stress, for instance, during earthquakes or when subjected to heavy loads. Furthermore, steel rebars can absorb and distribute impact energy throughout the structure, minimizing the likelihood of localized damage. In summary, the impact strength of steel rebars is a crucial factor in determining their suitability for various construction applications. Engineers and architects carefully evaluate this property when selecting the appropriate grade and size of steel rebars to ensure the durability and safety of their designed structures.
- Q: What are the limitations of using steel rebars?
- There are several limitations associated with using steel rebars in construction projects. Firstly, steel rebars are susceptible to corrosion. When exposed to moisture and oxygen, they can start to rust over time. This corrosion weakens the rebars and compromises the structural integrity of the concrete. To mitigate this issue, rebars are usually coated with epoxy or other protective coatings, but these coatings can deteriorate over time and require maintenance. Secondly, steel rebars have a high thermal expansion coefficient. This means that they expand and contract significantly with changes in temperature. This can lead to stress and cracking in the concrete, particularly in regions with extreme temperature variations. To minimize these effects, engineers often use expansion joints or other techniques to accommodate the thermal expansion of the rebars. Additionally, steel rebars are heavy and can be challenging to handle and transport. Their weight can increase the overall weight of the structure, which may require additional support or reinforcement. Moreover, the transportation of steel rebars to construction sites can be costly and time-consuming. Furthermore, steel rebars are a finite resource and their production has an environmental impact. The extraction and production of steel require significant amounts of energy and can contribute to greenhouse gas emissions. Additionally, the depletion of natural resources required for steel production is a concern. Lastly, steel rebars are conductive to heat and electricity, which can pose safety risks in certain situations. For example, in areas prone to lightning strikes, the presence of steel rebars can increase the likelihood of electrical damage. In conclusion, while steel rebars are widely used in construction due to their strength and durability, they have limitations such as susceptibility to corrosion, thermal expansion issues, high weight, environmental impact, and electrical conductivity. It is crucial for engineers and architects to consider these limitations and employ appropriate measures to address them in construction projects.
- Q: What are the guidelines for protecting steel rebars during concrete pouring?
- Protecting steel rebars during concrete pouring is crucial to ensure the structural integrity and longevity of reinforced concrete structures. The following guidelines should be followed: 1. Clean the rebars: Before pouring concrete, it is essential to clean the rebars thoroughly to remove any dirt, rust, or other contaminants. This can be done using wire brushes or power tools to achieve a clean and smooth surface. 2. Rust prevention: Apply an appropriate rust inhibitor or anti-corrosion coating to the rebars after cleaning. This will help protect the steel from corrosion caused by moisture or chemicals present in the concrete. 3. Proper placement: Ensure that the rebars are placed at the correct depth and spacing as specified in the structural drawings or design codes. This will provide the necessary reinforcement and structural strength to the concrete. 4. Support and alignment: Use proper supports, such as chairs or spacer blocks, to maintain the correct alignment and position of the rebars during the concrete pour. This will prevent any displacement or movement of the rebars. 5. Tie the rebars securely: Use steel wire or rebar ties to secure the rebars together at intersections and overlap areas. This will ensure that the rebars remain in place and maintain the desired structural configuration. 6. Avoid contact with the ground: Prevent the rebars from coming into direct contact with the ground during the pouring process. This can be achieved by using plastic or concrete chairs to elevate the rebars above the ground surface. 7. Use plastic caps: Cover the exposed ends of the rebars with plastic caps to protect them from moisture, dirt, or other contaminants while the concrete cures. 8. Adequate concrete cover: Ensure that the rebars are adequately covered by the concrete. The concrete cover is the distance between the outer surface of the rebars and the nearest outer surface of the concrete. This cover protects the rebars from external elements and prevents corrosion. 9. Monitor concrete placement: During concrete pouring, take precautions to avoid displacing or damaging the rebars. This can be achieved by using proper pouring techniques, such as using a tremie pipe or a concrete pump, to minimize the impact on the rebars. 10. Curing and protection: After the concrete is poured, it is crucial to properly cure and protect it. This includes covering the concrete with wet burlap or plastic sheeting to maintain moisture levels and prevent premature drying, cracking, or shrinkage. Adequate curing will also help in protecting the rebars from corrosion. By following these guidelines, the rebars can be effectively protected during concrete pouring, ensuring the durability and strength of the reinforced concrete structure.
- Q: Do steel rebars have any specific markings or codes?
- Yes, steel rebars typically have specific markings or codes to indicate their size, type, and grade. These markings are essential for identifying and ensuring the correct usage of rebars in construction projects.
- Q: What are the safety precautions when working with steel rebars?
- When working with steel rebars, some important safety precautions to follow include wearing proper personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. It is crucial to handle rebars with care to avoid cuts or punctures, as the sharp edges can be hazardous. Additionally, workers should always be cautious of their surroundings and ensure a clear and organized work area to prevent tripping or falling accidents. Lastly, it is important to follow proper lifting techniques and use appropriate equipment to avoid strain or back injuries.
- Q: What are the different shapes and forms of steel rebars available?
- There are several different shapes and forms of steel rebars available, each designed for specific applications and requirements in construction projects. 1. Plain round bars: These are the most common type of steel rebars and have a circular cross-section. They are used in a wide range of applications, including general construction, reinforcement in concrete slabs, and foundation works. 2. Deformed bars: These rebars have protrusions or deformations on their surface to provide better adhesion with concrete. The deformations increase the bond strength between the rebar and the concrete, making them suitable for applications that require high tensile strength, such as columns, beams, and retaining walls. 3. Square bars: As the name suggests, square rebars have a square cross-section. They are commonly used in applications where a strong bond with concrete is required, such as in precast concrete elements, footings, and walls. 4. Rectangular bars: Rectangular rebars have a rectangular cross-section and are often used in applications that require higher tensile strength, such as bridges, tunnels, and heavy structural elements. 5. Welded wire fabric (WWF): WWF is a prefabricated reinforcement material that consists of a series of longitudinal and transverse wires welded together to form a grid-like pattern. It is commonly used in slabs, walls, and pavements, providing uniform reinforcement distribution. 6. Dowel bars: Dowel bars are used to transfer loads between two adjacent concrete elements, such as connecting slabs or pavements. They are typically made of smooth round bars and are inserted into drilled holes with epoxy adhesive for improved load transfer. 7. T-shaped bars: T-shaped rebars have a T-like cross-section, with a stem and a flange. They are commonly used in applications where additional reinforcement is needed at specific locations, such as joints, corners, and connections. It is important to consider the specific requirements of the construction project and consult with structural engineers or professionals to determine the appropriate shape and form of steel rebars to ensure optimal reinforcement and structural integrity.
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Deformed Steel Bar 6mm-50MM ASTM A615 Or BS4449
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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