Hot Rolled Deformed Bar ou Reinforcement Bar ASTM A615 6mm-50mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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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: 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: 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 dams and reservoirs construction?
- Yes, steel rebars can be used in dams and reservoirs construction. Steel rebars are commonly used in concrete construction projects, including dams and reservoirs, due to their high tensile strength and durability. Dams and reservoirs require materials that can withstand the immense pressure exerted by the water, and steel rebars provide the necessary reinforcement to ensure the structural integrity of the concrete. These rebars are typically embedded within the concrete to provide additional strength and prevent cracking or collapse. Additionally, steel rebars are resistant to corrosion, which is crucial in dam and reservoir construction as they are often exposed to water for extended periods. Overall, steel rebars are an essential component in the construction of dams and reservoirs, as they enhance the strength and longevity of the structures.
- Q: Can steel rebars be used in modular bridge construction?
- Modular bridge construction utilizes steel rebars, also known as reinforcing bars, to enhance the structural integrity of precast concrete elements. This construction method offers efficiency and cost-effectiveness. Precast elements are fabricated in a controlled environment, ensuring consistent production and high-quality outcomes. The steel rebars are accurately incorporated into the elements during manufacturing, eliminating the need for on-site rebar installation. Steel rebars play a crucial role in withstanding the loads and stresses experienced by bridges. They distribute the load evenly, preventing concrete elements from cracking or failing. By incorporating steel rebars into modular bridge construction, the durability and longevity of the bridge structure are ensured. The integration of steel rebars in the modular bridge design allows for flexibility and customization. Different sizes and configurations of rebars can be used to meet the specific requirements of each bridge project, optimizing its structural performance. In summary, steel rebars are extensively utilized in modular bridge construction due to their ability to reinforce, strengthen, and enhance the durability of precast concrete elements. This approach offers a cost-effective and efficient construction process while maintaining the structural integrity of the bridge.
- Q: Are there any disadvantages to using steel rebars?
- Yes, there are some disadvantages to using steel rebars. Firstly, steel rebars can corrode over time, especially in environments with high moisture or exposure to chemicals, which can reduce their strength and durability. Additionally, steel rebars are susceptible to thermal expansion and contraction, leading to cracking in concrete structures. Moreover, steel rebars are heavy and can be challenging to handle and transport, making construction processes more labor-intensive.
- Q: What are the different methods of protecting steel rebars from fire?
- There are several methods available for protecting steel rebars from fire. One common approach is to use fire-resistant coatings or paints that can be applied directly to the rebars. These coatings create a barrier that helps to prevent the steel from reaching its critical temperature during a fire. Another method is to encase the rebars in a fire-resistant material, such as concrete, which acts as a protective layer. Additionally, fireproofing sprays or intumescent coatings can be used to provide insulation and slow down the transfer of heat to the rebars. Finally, ensuring proper spacing and cover of rebars within the concrete structure can also offer some level of fire protection.
- Q: What is the role of steel rebars in column and beam construction?
- Steel rebars are essential in column and beam construction because they provide reinforcement, strength, and stability to the structure. In reinforced concrete construction, columns and beams are typically made of strong concrete that is weak in tension. This is where steel rebars come into play. Rebars, also known as reinforcing bars, are long steel rods strategically placed within the concrete to counteract its weakness in tension. They are made of high-strength steel and designed to withstand the tensile forces in a structure. By adding rebars to the concrete, the resulting composite material becomes capable of resisting both compression and tension, making it stronger and more durable. In column construction, steel rebars are vertically placed and tied together in a grid-like pattern. This reinforcement helps the column support the weight of the structure and resist vertical loads such as the weight of the floors or roof above. The rebars also prevent the column from buckling or collapsing under these loads. Similarly, in beam construction, steel rebars are horizontally placed within the concrete beam. These rebars assist the beam in resisting bending and shear forces, which are common in structural elements spanning across openings or supporting loads from above. By providing reinforcement, the rebars ensure that the beam remains stable and can safely bear the imposed loads. Overall, steel rebars enhance the strength, stability, and load-bearing capacity of columns and beams in construction. They improve the structural integrity of concrete elements, allowing them to withstand various forces and loads throughout their lifespan. Without rebars, columns and beams would be weaker and more prone to failure, compromising the safety and longevity of the entire structure.
- Q: How do steel rebars contribute to the structural integrity of a building?
- The structural integrity of a building is greatly enhanced by steel rebars, which play a vital role in this regard. Rebars, also known as reinforcing bars, are typically made of steel and are used to provide strength and stability to concrete structures. They are embedded within the concrete to create a composite material capable of withstanding various forces and loads. To begin with, rebars aid in the distribution and transfer of loads across the structure. When external forces such as wind, earthquakes, or heavy loads act upon a building, the rebars act as reinforcements, absorbing and dispersing these forces. By spreading the load over a larger area, they prevent concentrated stress points that could potentially lead to structural failure. Furthermore, rebars help prevent cracks and fractures in the concrete. Although concrete is highly durable under compression, it is weak in tension. Steel rebars, with their high tensile strength, counteract this weakness by resisting the tensile forces that could cause the concrete to crack or fail. By reinforcing the concrete, rebars ensure that the structure remains intact and can withstand various stresses. Additionally, rebars increase the overall durability and lifespan of a building. By providing additional strength and stability, they reduce the likelihood of structural damage, ensuring that the building can endure over time. This is particularly crucial in areas prone to natural disasters, where the strength of a building can be a matter of life and death. Lastly, steel rebars contribute to the overall safety of a building. By reinforcing the structure, they enhance its ability to withstand extreme events such as earthquakes or heavy impacts. This not only protects the occupants of the building but also reduces the risk of collateral damage to surrounding structures. In conclusion, steel rebars are indispensable components in construction that significantly contribute to a building's structural integrity. Their ability to distribute loads, prevent cracks, increase durability, and enhance safety make them a crucial element in modern construction practices.
- Q: How are steel rebars identified based on their grades?
- Steel rebars are classified according to their grades using a distinct marking system, which is essential for construction purposes. This system ensures that rebars are used correctly based on their strength requirements. Typically, the marking system for steel rebars involves numbers, letters, or symbols. The most common approach is to mark the rebar with numbers representing the minimum yield strength of the steel. For instance, a rebar with a grade of 40 will have "40" stamped on it, indicating a minimum yield strength of 40,000 psi. In addition to numerical markings, some rebars may also have letters or symbols providing more detailed information about their characteristics. These additional markings can include the type of steel (e.g., "A" for mild steel or "W" for weldable steel). Other symbols may indicate the rebar's country of origin or specific manufacturer details. It is important to note that different countries and regions may have their own unique marking systems and standards for identifying steel rebars. Therefore, it is crucial to consult local building codes or regulations to understand the specific grading system used in a particular area. Overall, the grade markings on steel rebars supply critical information about their strength and mechanical properties. This enables engineers, contractors, and construction workers to choose and utilize the appropriate rebars for diverse structural applications.
- Q: Can steel rebars be used in aggressive chemical environments?
- To some extent, aggressive chemical environments can tolerate the use of steel rebars. However, the severity and characteristics of the chemicals present may compromise their performance. In most construction applications, steel rebars are generally resistant to mild to moderate chemical exposures. Nonetheless, in highly aggressive chemical environments with prolonged and intense exposure to corrosive substances like acids, alkalis, or salts, steel rebars may corrode and deteriorate over time. In such instances, alternative materials such as stainless steel rebars or epoxy-coated rebars may be more suitable, as they offer enhanced resistance to corrosion in aggressive chemical environments. It is crucial to consider the specific conditions of the chemical environment and seek guidance from experts or structural engineers to determine the most appropriate rebar material for the given situation. Regular inspections and maintenance are also necessary to monitor the condition of steel rebars and ensure their durability in aggressive chemical environments.
- Q: How do steel rebars distribute loads in concrete structures?
- The reinforcement and increased tensile strength provided by steel rebars allow for the distribution of loads in concrete structures. A grid-like pattern is typically used to place the rebars in the concrete, creating a network of support throughout the structure. This network helps evenly distribute external loads, such as the weight of the building or the force of an earthquake, preventing the concrete from cracking or failing under stress. To effectively distribute loads, the rebars transfer tensile forces to the surrounding concrete. While concrete is strong in compression, it is weak in tension. The rebars act as reinforcement, resisting the tensile forces and preventing cracks in the concrete. When a load is applied to the structure, the rebars bear a portion of the load and distribute it to adjacent rebars and the surrounding concrete, increasing the overall strength and stability of the structure. The spacing and diameter of the rebars also influence load distribution in concrete structures. Proper spacing ensures even distribution of the load, minimizing the risk of localized stress concentration. The diameter of the rebars is also important, as larger diameter rebars can withstand higher loads and provide more reinforcement. In addition to load distribution, steel rebars help control crack propagation in the concrete. When cracks occur, the rebars transfer stress around the cracked area, preventing them from spreading and maintaining the structural integrity of the concrete. In summary, steel rebars are essential for distributing loads in concrete structures. They provide reinforcement, increase tensile strength, and control crack propagation. Proper placement and sizing of the rebars ensure even load distribution, enhancing the durability and longevity of the structure.
- Q: Are steel rebars suitable for use in high-traffic areas like bridges?
- Yes, steel rebars are suitable for use in high-traffic areas like bridges. Steel rebars provide exceptional strength and durability, making them ideal for withstanding heavy loads and frequent use. Additionally, steel rebars offer excellent resistance to corrosion, ensuring the longevity and structural integrity of bridges in high-traffic areas.
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Hot Rolled Deformed Bar ou Reinforcement Bar ASTM A615 6mm-50mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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