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:What are the different types of steel rebars used in parking structures?
- Parking structures commonly utilize various types of steel rebars for reinforcement and structural integrity. The choice of rebar type depends on factors such as design requirements, load-bearing capacity, and the construction environment. 1. Mild Steel Rebars, also called black rebars, are the most widely used type. They possess a carbon content ranging from 0.15% to 0.30%, ensuring high ductility and weldability. With excellent tensile strength and cost-effectiveness, they are suitable for most parking structure applications. 2. High-Strength Rebars, also known as deformed rebars, are made from carbon steel with additional alloying elements like manganese, silicon, and chromium. This enhances their strength, making them ideal for structures with higher load-bearing requirements or larger spans. They find common use in multi-level parking structures or areas with heavy traffic loads. 3. Epoxy-Coated Rebars involve applying a protective layer of epoxy resin to mild steel rebars. This coating resists corrosion and prevents direct contact with the concrete, minimizing the risk of rust and structural damage. Epoxy-coated rebars are frequently used in parking structures near coastal areas or regions with high humidity, where corrosion is a major concern. 4. Stainless Steel Rebars are highly resistant to corrosion and are employed in parking structures exposed to aggressive environments, such as near the sea or areas with high chloride content. These rebars consist of an alloy of steel and chromium, with additional elements like nickel and molybdenum, ensuring superior corrosion resistance and long-term durability. It is important to consult a structural engineer or construction professional when selecting the appropriate rebar type for a parking structure. They will consider project requirements, local building codes, and environmental conditions to ensure the parking structure's longevity and safety.
- Q:How do steel rebars affect the overall structural integrity of a building?
- Steel rebars play a crucial role in enhancing the overall structural integrity of a building. By reinforcing and strengthening concrete structures, rebars effectively distribute loads and resist tension, preventing cracks and structural failures. This reinforcement enables buildings to withstand various forces, such as earthquakes and high winds, ensuring their stability and durability over time.
- Q:Are steel rebars suitable for use in structures with high impact resistance requirements?
- High tensile strength and the ability to withstand heavy loads make steel rebars a common choice in construction. However, they may not be suitable for structures with high impact resistance requirements. Although steel rebars are strong, they do not possess the same level of impact resistance as materials like fiberglass or carbon fiber. For structures that are exposed to heavy impact loads, such as bridges, earthquake-resistant buildings, or structures at risk of collisions with heavy machinery or vehicles, alternative materials may be more appropriate. For instance, fiberglass rebars offer improved impact resistance due to their flexibility and capacity to absorb energy without breaking. Moreover, they have a higher strength-to-weight ratio compared to steel rebars. In contrast, carbon fiber rebars have exceptional impact resistance and are commonly utilized in aerospace and military applications. In conclusion, while steel rebars are reliable for many structural purposes, structures requiring high impact resistance may benefit from the use of alternative materials like fiberglass or carbon fiber rebars. It is crucial to carefully evaluate the specific needs and demands of the structure to ensure both its durability and safety.
- Q:Can steel rebars be used in structures with high humidity levels?
- Yes, steel rebars can be used in structures with high humidity levels. Steel rebars are commonly used in construction projects, including those in high humidity environments such as coastal areas or buildings with high moisture content. However, it is important to ensure that the steel rebars are properly protected against corrosion to maintain their structural integrity. This can be achieved by applying appropriate coatings or using corrosion-resistant steel rebars like stainless steel or epoxy-coated rebars. Regular maintenance and inspection are also necessary to prevent any potential corrosion issues and ensure the long-term durability of the structure.
- Q:What are the factors that determine the selection of steel rebars?
- The selection of steel rebars for construction projects depends on several factors. Among these factors, the required strength and durability of the structure are of utmost importance. Different grades of steel rebars possess varying yield strengths, indicating their capacity to withstand stress before deformation occurs. The strength required for the rebars is determined by the design and load-bearing capacity of the structure. Another factor to consider is the corrosion resistance of the rebars. Steel rebars are prone to corrosion, especially when exposed to moisture and other environmental elements. In regions with high humidity or near coastal areas, it may be necessary to use corrosion-resistant rebars to ensure the project's longevity and structural integrity. The size and shape of the rebars also play a significant role in the selection process. The rebar's diameter is determined by structural requirements and the thickness of the concrete cover. Additionally, the rebar's shape, whether plain, deformed, or ribbed, affects its bonding with the surrounding concrete. Availability and cost are also important considerations. Certain regions may have easier access to specific grades or types of steel rebars, while others may require importing them. The cost of the rebars also influences the selection, as different grades and types have varying price points. Lastly, compliance with local building codes and regulations is crucial. These codes establish minimum standards for strength, corrosion resistance, and other factors that rebars used in construction must meet. Overall, the selection of steel rebars is determined by the required strength, corrosion resistance, size and shape, availability and cost, and compliance with local building codes and regulations. By considering these factors, engineers and construction professionals can choose the most suitable rebars for their projects, ensuring safety, durability, and cost-effectiveness.
- Q:Can steel rebars be used in structures with limited construction regulations?
- Structures with limited construction regulations may incorporate steel rebars, but it is crucial to acknowledge that the building's safety and structural integrity may be compromised in the absence of suitable regulations. Reinforcing concrete structures with steel rebars is a common practice to provide strength and stability. Nevertheless, relying solely on rebars does not guarantee the structure's safety. Construction regulations are in place to ensure that buildings are designed and constructed to withstand diverse forces and loads, such as wind, earthquakes, and live loads. These regulations encompass fire safety, electrical systems, and accessibility as well. Without adhering to these regulations, there is an elevated risk of structural failure or other safety concerns. Incorporating steel rebars into structures without appropriate construction regulations may result in inadequately designed or constructed buildings that cannot withstand these forces and loads. This can lead to structural failure, collapse, or other hazards. Therefore, it is advisable to comply with local construction codes and regulations to ensure the safety and longevity of any structure.
- Q:What is the process of installing steel rebars in concrete?
- The process of installing steel rebars in concrete involves several steps. First, the concrete surface is prepared by cleaning it from any debris or loose particles. Then, the rebars are cut, shaped, and positioned according to the structural requirements using supports or chairs to maintain proper spacing and elevation. Next, the rebars are securely tied together at the intersections using wire or mechanical connectors. After that, the rebars are placed within the concrete forms, ensuring they are adequately centered and do not touch the sides or bottom. Finally, the concrete is poured, encapsulating the rebars, and left to cure, creating a strong bond between the steel and concrete for enhanced structural integrity.
- Q:Can steel rebars be used in pre-tensioned or post-tensioned structures?
- Yes, steel rebars can be used in both pre-tensioned and post-tensioned structures. In pre-tensioned structures, the rebars are tensioned before the concrete is poured, creating a compressive force in the concrete. In post-tensioned structures, the rebars are tensioned after the concrete has hardened, allowing for greater flexibility in design and reducing cracking.
- Q:How do steel rebars affect the durability of a structure?
- Steel rebars have a significant impact on the durability of a structure. These reinforcements, made of high-strength steel, are embedded within concrete to enhance its tensile strength and overall structural integrity. By providing resistance against cracking and flexural stresses, steel rebars help in preventing structural failures and ensuring the long-term durability of the construction. One of the main benefits of using steel rebars is their ability to withstand tension forces. Concrete, although strong in compression, is weak when it comes to tension. When a structure is subjected to loads that cause bending or stretching, the rebars distribute these forces throughout the concrete, preventing it from cracking or breaking apart. This reinforcement improves the overall load-bearing capacity of the structure, making it more resistant to external forces such as earthquakes or heavy winds. Moreover, steel rebars also play a crucial role in preventing corrosion within the structure. Concrete is porous, and over time, moisture can penetrate it, causing the embedded reinforcement to rust. Rusting rebars expand, leading to cracks and weakening the structure. However, using corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, significantly reduces the risk of corrosion, thus enhancing the durability of the structure. In addition to their mechanical properties, steel rebars also contribute to the durability of a structure in terms of construction speed and long-term maintenance. Compared to other traditional reinforcement materials, rebars are relatively easy to install, reducing construction time and costs. Furthermore, their long lifespan and low maintenance requirements ensure the longevity and durability of the structure over time. In conclusion, steel rebars are essential for ensuring the durability of a structure. Their ability to resist tension forces, prevent cracking, and mitigate the risk of corrosion significantly enhances the structural integrity and longevity of the construction. Incorporating steel rebars into the design and construction process is crucial to creating sturdy, safe, and long-lasting structures.
- Q:What is the average lifespan of a reinforced concrete structure with steel rebars?
- The lifespan of reinforced concrete structures with steel rebars can differ based on several factors, such as construction quality, maintenance, exposure to environmental conditions, and patterns of usage. However, when designed, built, and maintained properly, these structures can last for 50 to 100 years or even longer. Reinforced concrete structures are renowned for their durability and strength, owing to the combination of concrete and steel reinforcement. Concrete provides compressive strength, while steel rebars offer tensile strength, making the structure resistant to various loads and forces. Yet, as time passes, reinforced concrete structures may deteriorate due to factors like moisture exposure, chemical exposure, temperature fluctuations, and loading conditions. These factors can lead to corrosion of the steel rebars, which is a common concern for the longevity of such structures. Corrosion occurs when moisture and oxygen infiltrate the concrete, causing the steel rebars to rust. This rusting process can result in the expansion of the steel rebars, leading to cracks in the concrete and further accelerating the structure's deterioration. To mitigate the effects of corrosion and extend the lifespan of reinforced concrete structures, several measures can be taken. These measures encompass using high-quality concrete and steel rebars, applying protective coatings, implementing effective drainage systems, and conducting regular inspections and maintenance. With proper maintenance and care, reinforced concrete structures can surpass their average lifespan. Nevertheless, it is crucial to acknowledge that the lifespan can vary depending on specific circumstances and conditions. Therefore, it is essential to consult structural engineers and industry experts to evaluate and determine the expected lifespan of a particular reinforced concrete structure.
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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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