Deformed Bar HRB500 HRB400 High Quality Hot Rolled 6mm-50mm BS4449
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Product Description:
OKorder is offering high quality Hot Rolled Steel I-Beams 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 Steel I-Beams 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 soon can we receive the product after purchase?
A1: 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.
Q2: What makes stainless steel stainless?
A2: 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.
Q3: Can stainless steel rust?
A3: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q: Can steel rebars be used in composite construction systems?
- Yes, steel rebars can be used in composite construction systems. Composite construction refers to the combination of different materials, typically concrete and steel, to create a stronger and more efficient structure. Steel rebars are commonly used as reinforcement in concrete structures, providing added strength and durability. In a composite construction system, steel rebars are embedded within the concrete, creating a bond between the two materials. This combination allows for the utilization of the compressive strength of concrete and the tensile strength of steel, resulting in a highly efficient and resilient structure. The use of steel rebars in composite construction systems offers several benefits. Firstly, it enhances the structural integrity of the construction by increasing its load-bearing capacity and resistance to external forces such as earthquakes or heavy loads. Additionally, steel rebars help to control cracking and improve the overall durability of the structure. Furthermore, steel rebars offer flexibility in design and construction. They can be easily shaped and placed according to the specific requirements of the structure, allowing for complex and intricate designs. Moreover, steel rebars can be prefabricated off-site, making the construction process more efficient and time-effective. In conclusion, steel rebars are a crucial component of composite construction systems. Their usage in combination with concrete provides numerous advantages, including increased strength, durability, and flexibility.
- Q: How are steel rebars spliced or connected in construction joints?
- Steel rebars are typically spliced or connected in construction joints using several methods, including lap splicing, mechanical splicing, and welded splicing. Lap splicing involves overlapping the rebars and tying them together with wire or steel bars, ensuring proper alignment and contact between the rebars. Mechanical splicing utilizes couplers or threaded sleeves to connect the rebars, providing a stronger and more efficient joint. Welded splicing involves welding the rebars together, ensuring a secure and durable connection. The choice of splicing method depends on factors such as the project requirements, structural design, and construction site conditions.
- Q: What is the lifespan of steel rebars in marine structures?
- The durability of steel rebars in marine structures can vary due to several factors, including the quality of the steel, the environmental conditions they are exposed to, and the maintenance strategies employed. However, marine structures that are designed, constructed, and maintained appropriately can typically endure for 50 to 100 years. Typically, steel rebars used in marine structures are coated with corrosion-resistant materials, like epoxy or zinc, to shield them from the harsh marine environment. These coatings serve as an extra layer of protection, extending the lifespan of the rebars. Nevertheless, it is crucial to acknowledge that the marine environment is highly corrosive due to the presence of saltwater, humidity, and other corrosive agents. Over time, these elements can cause the deterioration of the protective coatings, exposing the rebars to corrosion. Without adequate maintenance measures, such as regular inspections, cleaning, and reapplication of protective coatings, the rebars may experience accelerated corrosion, leading to a shortened lifespan. Furthermore, the design and construction of marine structures play a critical role in determining the lifespan of steel rebars. It is essential to carefully consider factors like structural design, material selection, and detailing to minimize the risk of corrosion and ensure the longevity of the rebars. To summarize, the lifespan of steel rebars in marine structures can vary from 50 to 100 years based on factors such as steel quality, environmental conditions, and maintenance practices. Proper design, construction, and maintenance are crucial for maximizing the lifespan of steel rebars in marine structures.
- Q: Can steel rebars be used in blast-resistant building construction?
- Yes, steel rebars can be used in blast-resistant building construction. Steel rebars are commonly used in reinforced concrete structures, which can provide significant strength and durability against blast forces. The rebars help to reinforce the concrete and distribute the blast load, making the building more resistant to explosions and enhancing its overall structural integrity.
- Q: Can steel rebars be used in solar power plant construction?
- Yes, steel rebars can be used in solar power plant construction. Steel rebars are commonly used in the construction industry for reinforcing concrete structures, and solar power plants often require the construction of concrete foundations for the installation of solar panels and other equipment. The use of steel rebars helps to provide structural strength and durability to these concrete foundations, ensuring the stability and longevity of the solar power plant infrastructure. Additionally, steel rebars are resistant to corrosion, which is important in solar power plant construction as they are often exposed to various weather conditions. Overall, steel rebars are a suitable material for reinforcing concrete structures in solar power plant construction.
- Q: What is the effect of improper storage on the corrosion resistance of steel rebars?
- Improper storage of steel rebars can significantly reduce their corrosion resistance. When exposed to moisture, humidity, or extreme environmental conditions, steel rebars can develop rust and corrosion. This compromises their structural integrity and durability, making them more susceptible to failure and compromising the overall strength of the reinforced concrete structure. Therefore, proper storage conditions, such as keeping rebars dry, protected from moisture and contaminants, and stored off the ground, are crucial to maintaining their corrosion resistance and ensuring their long-term performance.
- Q: Can steel rebars be used in structures with high wind loads?
- Yes, steel rebars can be used in structures with high wind loads. Steel rebars provide strength and durability, making them suitable for reinforcing concrete structures against the forces exerted by high wind loads.
- Q: How are steel rebars protected against electromagnetic interference?
- Steel rebars are typically protected against electromagnetic interference through the use of concrete cover. The concrete acts as a shield, preventing electromagnetic waves from interfering with the steel rebars. Additionally, proper grounding and bonding techniques are employed to further enhance protection against electromagnetic interference.
- Q: Can steel rebars be used in high-traffic flooring applications?
- Yes, steel rebars can be used in high-traffic flooring applications. The strength and durability of steel rebars make them suitable for areas with heavy foot traffic, such as industrial spaces, warehouses, and commercial buildings. Additionally, steel rebars provide reinforcement and enhance the structural integrity of the flooring system, ensuring long-term performance and safety.
- Q: What is the effect of carbonation on steel rebars?
- The primary impact of carbonation on steel rebars is negative. Carbonation is the process by which carbon dioxide from the atmosphere reacts with the alkaline compounds in concrete, resulting in a decrease in its pH level. This pH reduction gradually diminishes the protective layer of steel rebars known as the passivation layer. When carbonation compromises the passivation layer, the steel rebars become more susceptible to corrosion. Carbon dioxide reacts with moisture in the concrete, generating carbonic acid, which further lowers the pH level and speeds up the corrosion process. As corrosion advances, the steel rebars may lose their structural integrity, compromising the overall strength and durability of the concrete structure. Additionally, the expansion of corrosion products can apply pressure on the surrounding concrete, causing cracking and spalling. This exposes the steel rebars to more moisture and oxygen, exacerbating the corrosion process. Furthermore, carbonation can diminish the effectiveness of any protective coatings applied to the rebars, making them even more prone to corrosion. To mitigate the effects of carbonation on steel rebars, various preventive measures can be implemented. These measures include using concrete that is less permeable to carbon dioxide, ensuring appropriate concrete cover thickness, and employing corrosion-resistant steel with higher levels of chromium and/or other alloying elements. Regular monitoring and maintenance of concrete structures are also crucial to detect and address any signs of corrosion at an early stage. In conclusion, carbonation can have an adverse impact on steel rebars by compromising the passivation layer, resulting in corrosion and weakening of the structure. Therefore, it is essential to implement preventive measures and regularly maintain steel-reinforced concrete structures to ensure their long-term durability and safety.
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Deformed Bar HRB500 HRB400 High Quality Hot Rolled 6mm-50mm 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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