Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MM
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Product Description:
OKorder is offering high quality Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MMat 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 BS4449-1997/2009 or GB HRB400 6MM-50MMare 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:What is the role of steel rebars in ensuring occupant safety?
- The role of steel rebars in ensuring occupant safety is crucial as they provide strength, stability, and reinforcement to concrete structures. By reinforcing concrete with steel rebars, they enhance the structural integrity of buildings, bridges, and other infrastructure, making them more resistant to external forces such as earthquakes, heavy loads, and impacts. Steel rebars help prevent the collapse of structures, reducing the risk of injury or fatality to occupants during unexpected events or accidents.
- Q:Can steel rebars be used in soundproof structures?
- Yes, steel rebars can be used in soundproof structures. Steel rebars provide structural strength and stability to buildings, but they do not significantly contribute to sound insulation. To ensure effective soundproofing, additional materials such as acoustic panels, insulation, or soundproofing membranes need to be incorporated into the building design.
- Q:How do steel rebars perform in fire-resistant constructions?
- Due to their inherent properties, steel rebars are highly effective in fire-resistant constructions. The utilization of steel rebars in these structures serves to bolster their fire resistance. Steel possesses a high melting point and exhibits exceptional heat transfer properties, rendering it a dependable material in fire scenarios. When subjected to elevated temperatures, steel rebars do not undergo combustion or emit toxic fumes, crucially ensuring the safety of individuals during a fire incident. Furthermore, steel rebars possess a low coefficient of thermal expansion, signifying that they experience minimal expansion when exposed to heat. This characteristic helps to maintain the structural integrity of fire-resistant constructions, thereby averting potential structural failures during a fire. Additionally, steel rebars boast high tensile strength, which significantly contributes to the overall performance of the structure in fire conditions. This strength enables the rebars to withstand the forces generated by the concrete's expansion due to heat, thereby reducing the risk of cracking or spalling. Moreover, steel rebars can be encased in fire-resistant materials like concrete and fireproof coatings to provide an additional layer of protection against fire. This combination of steel and fire-resistant materials produces a robust system that effectively endures high temperatures and prolongs the construction's structural stability in the event of a fire. In conclusion, steel rebars play a vital role in fire-resistant constructions. Their high melting point, low thermal expansion, and exceptional tensile strength make them a dependable choice for enhancing the fire resistance of structures. By incorporating steel rebars into construction designs, the safety and durability of buildings are significantly enhanced, affording occupants valuable time to evacuate and minimizing the potential for structural damage during a fire incident.
- Q:Can steel rebars be used in structures with limited maintenance access?
- Yes, steel rebars can be used in structures with limited maintenance access. Steel rebars are commonly used in construction projects because of their durability and strength. They are able to withstand heavy loads and provide reinforcement to concrete structures. In structures with limited maintenance access, steel rebars offer several advantages. Firstly, they have a long lifespan and are resistant to corrosion, which reduces the need for frequent maintenance. Unlike other materials, such as wood or aluminum, steel rebars do not decay or rot over time, making them suitable for structures that are difficult to access for regular maintenance. Additionally, steel rebars can be easily inspected using non-destructive testing methods such as ultrasound or magnetic particle inspection. These techniques can detect any potential defects or damage in the rebars without the need for invasive measures, thus ensuring the structural integrity of the building. Furthermore, steel rebars can be designed and installed in a way that minimizes the need for future maintenance. For example, the use of epoxy-coated rebars can provide an extra layer of protection against corrosion, extending the lifespan of the structure and reducing the need for maintenance. However, it is important to note that although steel rebars are highly durable, they are not completely maintenance-free. Over time, the protective coatings on the rebars may deteriorate, and if not addressed, corrosion can occur. Therefore, periodic inspections and maintenance activities should still be conducted, even in structures with limited access. In conclusion, steel rebars can be used in structures with limited maintenance access due to their durability, resistance to corrosion, and the ability to be inspected without invasive measures. However, regular inspections and maintenance are still necessary to ensure the long-term performance of the rebars and the overall structural integrity of the building.
- 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:Can steel rebars be used in the construction of dams and reservoirs?
- Yes, steel rebars can be used in the construction of dams and reservoirs. Steel rebars provide reinforcement and strength to the concrete used in these structures, ensuring their stability and durability.
- Q:What is the role of steel rebars in preventing structural vibrations?
- The role of steel rebars in preventing structural vibrations is to provide reinforcement and increase the stiffness of concrete structures. Steel rebars are embedded within the concrete, forming a skeletal framework that enhances the structural integrity and reduces the risk of vibrations. When a load or force is applied to a structure, such as wind or seismic activity, it can cause the structure to vibrate. These vibrations can lead to structural damage or even collapse if left unchecked. Steel rebars help mitigate these vibrations by absorbing and distributing the forces throughout the structure. By reinforcing the concrete, steel rebars increase the stiffness and strength of the structure, thereby reducing the amplitude of vibrations. They help to resist bending and torsional forces, ensuring that the structure remains stable and secure under various load conditions. Furthermore, steel rebars also play a crucial role in preventing progressive collapse. In the event of localized damage or failure, the rebars act as a safety net, redistributing the load and preventing a complete collapse. This is particularly important in high-rise buildings or structures with complex geometries, where the consequences of structural failure can be catastrophic. Overall, the presence of steel rebars in concrete structures significantly enhances their ability to withstand vibrations and external forces, ensuring the safety and longevity of the structure.
- Q:What are the common surface patterns for steel rebars?
- Some common surface patterns for steel rebars include plain, deformed, and ribbed patterns.
- Q:How do steel rebars affect the overall ductility of concrete structures?
- Steel rebars significantly enhance the overall ductility of concrete structures. Ductility refers to the ability of a material to deform without fracturing when subjected to stress. In the case of concrete structures, the addition of steel rebars provides an essential mechanism for absorbing and redistributing tensile forces. Concrete is an excellent material for compression, but it is weak in tension. The presence of steel rebars within the concrete matrix allows it to resist tensile forces effectively. When a tensile force is applied to a concrete structure, the rebars bear most of the load, preventing the concrete from cracking or failing. This redistribution of stress helps to increase the overall durability and strength of the structure. Furthermore, steel rebars enhance the ductility of concrete structures by providing a warning sign before failure. As the tensile strength of the rebars is exceeded, they tend to elongate and deform, indicating that the structure is approaching its limit. This warning allows for timely repairs or reinforcement, preventing catastrophic failures. Another crucial aspect of steel rebars in enhancing ductility is their ability to bridge cracks in concrete. When a crack occurs, the rebars act as a reinforcement that spans across the crack, preventing it from propagating further. This bridging effect helps to maintain the integrity of the structure and allows for easier repair or rehabilitation. Overall, the inclusion of steel rebars in concrete structures significantly improves their ductility by enhancing tensile strength, providing warning signs before failure, and bridging cracks. This increased ductility ensures that the structures can withstand various loads, including seismic events and dynamic forces, while maintaining their structural integrity.
- Q:How are steel rebars manufactured?
- Steel rebars are manufactured through a process called hot rolling, where steel billets are heated and passed through a series of rollers to shape them into the desired size and form. The rebars are then cut to the required lengths and undergo further processes like quenching and tempering to enhance their strength and durability.
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Deformed Bar BS4449-1997/2009 or GB HRB400 6MM-50MM
- 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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