Hot Rolled Deformed Bar ou Reinforcement Bar 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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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 structures with limited construction equipment?
- Yes, steel rebars can be used in structures with limited construction equipment. Steel rebars are versatile and can be easily handled and installed with minimal equipment. They can be cut to size using handheld tools such as bolt cutters or torches, eliminating the need for heavy machinery. Furthermore, steel rebars are lightweight, making them easier to transport and maneuver on-site. Their flexibility allows for various construction techniques, such as tying them together with wire or using wire mesh to reinforce concrete. Overall, steel rebars are a practical choice for structures with limited construction equipment, providing strength and durability without requiring extensive machinery.
- Q: Can steel rebars be used in the construction of offshore oil platforms?
- Indeed, the inclusion of steel rebars is deemed feasible for the construction of offshore oil platforms. In construction practices, steel rebars are commonly employed to fortify concrete structures, thereby enhancing their strength and durability. In the context of offshore oil platforms, the use of steel rebars serves to fortify the concrete foundations and structures of the platform, facilitating its resistance against the adverse environmental conditions as well as the weight of the equipment and infrastructure situated on the platform. These steel rebars are engineered to withstand corrosion and are typically coated with epoxy or other protective coatings to prevent rusting within the corrosive marine environment. Additionally, steel rebars can be specifically tailored to meet the precise requirements of the offshore oil platform, thereby ensuring that they deliver the essential strength and stability.
- Q: What are the common problems associated with steel rebars in concrete structures?
- Some common problems associated with steel rebars in concrete structures include corrosion, inadequate cover, improper placement, and insufficient anchorage. Corrosion can weaken the rebars and lead to structural deterioration. Inadequate cover refers to the insufficient distance between the rebar and the surface of the concrete, which can increase the risk of corrosion. Improper placement can result in poor load distribution and compromised structural integrity. Insufficient anchorage occurs when the rebars are not properly embedded in the concrete, reducing their ability to resist tension forces.
- Q: What are the different types of splices used for steel rebars?
- There are several types of splices commonly used for steel rebars, including lap splices, mechanical splices, and welded splices. Lap splices involve overlapping two rebars and securing them with tie wire or other means. Mechanical splices use couplers or threaded connections to join rebars together. Welded splices involve welding the ends of rebars to create a strong and permanent connection.
- Q: How are steel rebars inspected for quality on construction sites?
- Steel rebars are critical components in construction projects, as they provide reinforcement and strength to concrete structures. Ensuring the quality of steel rebars is crucial to guarantee the safety and durability of the overall construction. To inspect the quality of steel rebars on construction sites, several methods are commonly employed. Visual Inspection: The first and most basic method of quality inspection involves visual examination of the rebars. This includes checking for any visible defects such as cracks, deformations, rust, or surface irregularities. Any rebars with such flaws are immediately identified and rejected. Measurement and Dimensional Checks: Steel rebars need to meet specific dimensional requirements as per project specifications and industry standards. Inspection personnel use measuring tools, such as calipers or tape measures, to verify the length, diameter, and other dimensions of the rebars. Any deviation from the specified tolerances may lead to rejection. Magnetic Particle Testing (MPT): MPT is a non-destructive testing method commonly used to detect surface and near-surface defects in steel rebars. This technique involves magnetizing the rebar and applying ferromagnetic particles, which accumulate at any surface defects or cracks. By carefully inspecting the surface, trained inspectors can identify any areas of concern. Ultrasonic Testing (UT): UT is another non-destructive testing method used for inspecting rebars. It involves the use of ultrasonic waves that are transmitted through the rebar. These waves reflect back differently when encountering any defects, such as voids, cracks, or inclusions. By analyzing the reflected waves, trained technicians can identify and assess the quality of the rebars. Tensile Testing: Tensile strength is a crucial factor in determining the quality of steel rebars. Tensile testing involves pulling a sample rebar until it breaks, measuring the force required to do so. This test helps determine the strength and ductility of the rebar, ensuring it meets the required standards. Chemical Analysis: Steel rebars are often subjected to chemical analysis to ensure they meet the specified composition requirements. Samples are collected from the rebars, and various tests are conducted to determine the chemical composition, including carbon, manganese, and other alloying elements. This analysis helps ensure the rebars possess the necessary properties for the intended application. All these inspection methods are typically conducted by qualified and experienced personnel, such as certified welding inspectors or quality control technicians. By employing these quality inspection procedures, construction sites can ensure that the steel rebars used in their projects meet the required standards, thereby ensuring the safety and longevity of the structures being built.
- Q: Are steel rebars suitable for reinforcement in theme parks and amusement centers?
- Yes, steel rebars are suitable for reinforcement in theme parks and amusement centers. Steel rebars are commonly used in construction due to their high strength and durability. They provide excellent reinforcement to concrete structures, ensuring the safety and stability of the infrastructure in theme parks and amusement centers, where heavy loads and frequent foot traffic are expected.
- Q: What is the typical yield-to-ultimate strength ratio of steel rebars?
- The typical yield-to-ultimate strength ratio of steel rebars is approximately 0.9 to 0.95.
- Q: What are the safety precautions when handling steel rebars?
- To minimize the risk of accidents or injuries when handling steel rebars, it is crucial to adhere to several safety precautions. These precautions encompass: 1. Personal Protective Equipment (PPE): When handling steel rebars, it is essential to wear appropriate PPE. This includes steel-toe boots, gloves, safety glasses, and a hard hat. PPE serves as a protective measure against potential hazards like falling rebars or flying debris. 2. Lifting and Carrying Techniques: Due to their weight and difficulty in handling, steel rebars require the use of proper lifting techniques to prevent strain or injury. Instead of bending at the waist, individuals should bend at the knees and utilize their leg muscles to lift the rebar. Furthermore, avoiding overexertion and seeking assistance when handling heavy rebars is crucial. 3. Proper Storage: To prevent rebars from falling or rolling, it is necessary to store them securely and in an organized manner. Rebars should be stacked flat and not leaned against walls or other structures. Additionally, storing rebars away from high traffic areas helps avoid accidental collisions. 4. Sharp Edges: The sharp edges of steel rebars can cause cuts or puncture wounds. Therefore, handling rebars with caution and wearing gloves to protect the hands is vital. Moreover, storing and transporting rebars in a manner that minimizes the risk of contact with sharp edges is necessary. 5. Communication and Warning Signs: Communication with coworkers and the provision of warnings regarding potential hazards or activities involving rebars are important when working with steel rebars. Posting clear signage in work areas to alert others to the presence of rebars and the need for caution is also crucial. 6. Training and Supervision: Workers should receive adequate training on the safe handling and storage of steel rebars. Supervisors should closely monitor work areas to ensure adherence to safety protocols and provide guidance or corrective action as required. By adhering to these safety precautions, the risk of accidents or injuries when handling steel rebars can be significantly reduced. Prioritizing safety at all times is essential to establish a secure working environment.
- Q: How do steel rebars affect the overall cost of maintenance in a structure?
- Steel rebars can have a significant impact on the overall cost of maintenance in a structure. The use of steel rebars enhances the structural integrity and durability of the building, reducing the risk of structural failures and minimizing maintenance requirements. Steel rebars help to reinforce the concrete, making the structure more resistant to cracks, corrosion, and other forms of damage. By preventing or delaying these issues, the overall cost of maintenance, repairs, and replacements is reduced over the lifespan of the structure.
- Q: How do steel rebars affect the overall maintenance requirements of concrete structures?
- Steel rebars play a crucial role in the overall maintenance requirements of concrete structures. These reinforcing bars are used to enhance the strength and durability of concrete by providing tensile strength and preventing cracks. By adding steel rebars to concrete, the structure becomes better equipped to resist the forces that it may encounter during its lifespan. One of the primary ways that steel rebars affect maintenance requirements is by reducing the likelihood of cracks in concrete structures. Concrete on its own is strong in compression but weak in tension. When subjected to tensile forces, such as loads or temperature fluctuations, concrete tends to crack. However, by incorporating steel rebars within the concrete, these cracks are minimized or prevented altogether. This is because the steel rebars absorb the tensile forces, allowing the concrete to remain intact and intact structures require less maintenance. Furthermore, steel rebars also increase the overall strength of concrete structures, making them more resistant to external forces. This added strength reduces the chances of structural failure, thereby decreasing the maintenance requirements in terms of repairs or replacements. Additionally, the use of steel rebars can extend the lifespan of concrete structures, as they provide the necessary reinforcement to withstand the test of time. However, it is essential to note that steel rebars can also be susceptible to corrosion over time, which can impact the maintenance requirements of concrete structures. When steel rebars corrode, they expand, causing cracks and spalling in the concrete. This corrosion can be accelerated by various factors such as exposure to moisture, chloride ions, or carbonation. Therefore, regular inspections and maintenance measures, such as protective coatings or cathodic protection, must be implemented to prevent or manage the corrosion of steel rebars. In conclusion, steel rebars have a significant impact on the overall maintenance requirements of concrete structures. They enhance the strength, durability, and resistance of concrete, reducing the occurrence of cracks and structural failures. However, proper maintenance and protection against corrosion are necessary to ensure the continued effectiveness of steel rebars, ultimately contributing to the longevity and low maintenance needs of concrete structures.
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Hot Rolled Deformed Bar ou Reinforcement Bar 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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