B500A deformed steel bar deformed steel bar
- 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 B500A deformed steel bar 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:
B500A deformed steel bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's deformed steel bar are durable, strong, and resist corrosion.
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:
Specifications of HRB400 Deformed Steel Bar:
Standard | GB | HRB400 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Place of origin | Hebei, China mainland | ||
Advantages | exact size, regular package, chemical and mechanical properties are stable. | ||
Type | Hot rolled deformed steel bar | ||
Brand name | DRAGON | ||
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 |
Usage and Applications of HRB400 Deformed Steel Bar:
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..
Packaging & Delivery of HRB400 Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Deformed Steel Bar in container
Deformed Steel Bar in factory
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
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: 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.
- Q: How do steel rebars contribute to the overall sustainability of the construction industry?
- Steel rebars contribute to the overall sustainability of the construction industry in several ways. Firstly, steel rebars are made from recycled materials, reducing the demand for new resources and minimizing the environmental impact of steel production. Additionally, steel rebars are highly durable and have a long lifespan, ensuring the longevity and stability of structures, reducing the need for frequent repairs or replacements. Moreover, the use of steel rebars in reinforced concrete allows for the construction of taller and more complex structures, maximizing the efficient use of land and reducing the need for additional construction projects. Overall, steel rebars play a crucial role in improving the sustainability of the construction industry by promoting resource conservation, durability, and efficient construction practices.
- Q: How do steel rebars affect the structural capacity of concrete beams and columns?
- The role of steel rebars in enhancing the structural capacity of concrete beams and columns cannot be overstated. These rebars serve as reinforcement, providing added strength and durability to the concrete elements. When steel rebars are incorporated into the concrete, the load-bearing capacity of the beams and columns is significantly increased. One of the main functions of steel rebars is to counteract the tensile forces that concrete alone cannot withstand. Concrete is strong under compression but weak under tension, which makes it prone to cracking and failure when subjected to tensile stress. By integrating steel rebars into the concrete, the tensile strength of the reinforced element is greatly improved. The steel rebars act as a framework within the concrete, distributing the load more evenly and reducing the risk of localized failure. When external loads or forces are applied, the rebars bear the tensile stress while the concrete maintains its compressive strength. This combination of materials creates a reinforced concrete element that can handle heavier loads, thus increasing the structural capacity of the beams and columns. Moreover, steel rebars also enhance the ductility and flexibility of the concrete elements. This means that the reinforced beams and columns can undergo greater deformations before reaching failure. The ability to deform without breaking is particularly important in regions prone to earthquakes, as it allows the structure to absorb and dissipate energy, thereby minimizing the risk of collapse. Additionally, steel rebars improve the resistance of concrete beams and columns against shrinkage and thermal stresses. Concrete tends to shrink as it cures and expand and contract due to temperature variations. The presence of steel rebars helps minimize these effects by providing a reinforcing network that restrains the concrete from excessive movements, preventing cracks and preserving the overall structural integrity. In conclusion, steel rebars have a profound impact on the structural capacity of concrete beams and columns. They enhance tensile strength, improve ductility, reduce shrinkage and thermal stresses, and increase overall load-bearing capacity. The combination of concrete and steel reinforcement produces a significantly stronger and more durable structural element that can withstand higher loads, ensuring the stability and safety of the entire structure.
- Q: Can steel rebars be used in structures with high resistance to fire?
- Yes, steel rebars can be used in structures with high resistance to fire. Steel has a high melting point and retains its strength even at high temperatures, making it suitable for use in fire-resistant structures. Additionally, steel rebars can be coated with fire-resistant materials such as epoxy or intumescent coatings to further enhance their fire resistance. These coatings create a protective layer that prevents the steel from reaching its critical temperature and losing its structural integrity during a fire. Therefore, steel rebars are commonly used in various fire-resistant structures such as high-rise buildings, bridges, and industrial facilities where fire safety is a critical consideration.
- Q: What is the effect of carbon content on the strength of steel rebars?
- The carbon content in steel rebars has a significant effect on their strength. Generally, a higher carbon content leads to increased strength and hardness in the steel rebars. This is because carbon atoms form strong chemical bonds with iron atoms in the steel matrix, resulting in a more rigid and durable material. When carbon is added to the steel, it forms carbides, which are crystalline compounds that make the steel harder and stronger. The presence of these carbides increases the resistance of the steel rebars to deformation, making them suitable for applications that require high strength, such as in construction and infrastructure projects. However, it is important to note that there is a limit to how much carbon can be added to the steel rebars to improve their strength. Excessive carbon content can make the steel brittle and susceptible to cracking under stress. This is because the excessive carbon atoms can form large carbide clusters, weakening the overall structure of the steel rebars. Therefore, the carbon content in steel rebars needs to be carefully balanced to achieve the desired strength and toughness. Depending on the specific application and requirements, different carbon levels can be used to optimize the strength and performance of the steel rebars. In conclusion, the carbon content has a direct impact on the strength of steel rebars. Increasing the carbon content can improve their strength and hardness, but excessive carbon levels can lead to brittleness. Thus, finding the right balance of carbon content is crucial to ensure the optimal strength and performance of steel rebars in various construction applications.
- Q: What are the different types of steel rebars used in road constructions?
- There are several types of steel rebars that are commonly used in road constructions. These include: 1. Mild steel rebars: These are the most commonly used type of rebars in road constructions. They are made from low carbon steel and have a smooth surface. Mild steel rebars are known for their durability and strength, making them suitable for various road construction applications. 2. High-strength rebars: These rebars are made from high-strength steel, which has a higher yield strength compared to mild steel rebars. High-strength rebars are used in road constructions where greater load-bearing capacity is required, such as in bridges and highways. 3. Epoxy-coated rebars: These rebars are coated with epoxy resin to improve their corrosion resistance. Epoxy-coated rebars are commonly used in road constructions in areas where there is exposure to moisture and chemicals, such as coastal regions. 4. Galvanized rebars: These rebars are coated with a layer of zinc to provide corrosion resistance. Galvanized rebars are particularly suitable for road constructions in areas with high humidity or where the risk of corrosion is high. 5. Stainless steel rebars: These rebars are made from stainless steel, which is highly resistant to corrosion. Stainless steel rebars are commonly used in road constructions where long-term durability and resistance to corrosion are essential, such as in tunnels and underground structures. It is important to select the appropriate type of steel rebar for road constructions based on the specific requirements of the project, including load-bearing capacity, exposure to corrosion, and environmental conditions. Consulting with structural engineers and adhering to local construction codes and standards is crucial to ensure the successful implementation of road construction projects.
- Q: What are the environmental benefits of using steel rebars?
- Using steel rebars in construction projects has several environmental benefits. Firstly, steel rebars are highly durable and long-lasting, which means they have a significantly longer lifespan compared to other materials. This reduces the need for frequent replacements and minimizes the amount of waste generated. Additionally, steel rebars are 100% recyclable, allowing them to be repurposed in new construction projects, reducing the demand for new materials and conserving natural resources. Furthermore, steel production emits fewer greenhouse gases compared to other materials like concrete, contributing to reduced carbon emissions and mitigating climate change. Overall, the use of steel rebars supports a more sustainable and eco-friendly approach to construction.
- Q: What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?
- The guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements include ensuring the rebars meet the required specifications and standards for strength, size, and corrosion resistance. They should be properly anchored and positioned within the concrete element according to the design specifications. Additionally, care should be taken to avoid damaging or stressing the rebars during the construction process, and proper curing and protection measures should be implemented to prevent corrosion and ensure the longevity of the structure.
- Q: Can steel rebars be used in marine construction projects?
- Yes, steel rebars can be used in marine construction projects. However, it is essential to use corrosion-resistant steel rebars, such as stainless steel rebars or epoxy-coated rebars, to ensure durability and prevent corrosion caused by exposure to saltwater and other marine environments.
- Q: What are the different grades of epoxy-coated steel rebars?
- The different grades of epoxy-coated steel rebars typically range from Grade 60 to Grade 75. These grades represent the minimum yield strength of the rebar, indicating their strength and durability.
- Q: What is the impact of steel rebars on the carbon footprint of a structure?
- The carbon footprint of a structure is greatly affected by the utilization of steel rebars in construction. Steel production is widely recognized as a carbon-intensive process, leading to the emission of greenhouse gases and contributing to climate change. The extraction and processing of iron ore, in addition to the energy-intensive procedures involved in transforming it into steel, generate substantial amounts of carbon dioxide (CO2). Commonly employed to reinforce concrete structures like buildings, bridges, and highways, steel rebars play a significant role in the carbon emissions associated with a structure. The manufacture of cement, a crucial constituent of concrete, also serves as a major source of carbon emissions. Consequently, both steel production and concrete manufacturing processes influence the carbon footprint of a structure. Nevertheless, it is important to acknowledge the potential positive impact of steel rebars on a structure's carbon footprint. Steel possesses exceptional durability and can outlast the structure itself. This longevity diminishes the necessity for frequent maintenance, repairs, and replacements, which would otherwise consume additional resources and emit more carbon. Furthermore, steel rebars enhance the structural strength and resilience of a building, enabling it to withstand extreme weather events and seismic activities. This heightened durability prolongs the lifespan of the structure, reducing the requirement for new construction and the associated carbon emissions in the long term. Efforts are being made to mitigate the carbon footprint of steel rebars by enhancing the efficiency of steel production processes. This includes the adoption of cleaner technologies and the utilization of recycled steel. Additionally, there is a growing inclination towards incorporating sustainable materials such as bamboo or fiber-reinforced polymers as alternatives to steel rebars in construction. To conclude, although the production of steel rebars generates a substantial carbon footprint, their use in construction can contribute to the overall sustainability of a structure by providing durability and diminishing the need for frequent replacements. However, it is crucial to consistently explore and implement more sustainable alternatives to steel rebars in order to further minimize the carbon impact of construction.
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B500A deformed steel bar deformed steel bar
- 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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