Deformed bars Hot Rolled with High Quality and Good Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
OKorder is offering high quality Hot Rolled Rebars 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 Africa, 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..
Label: to be specified by customer, generally, each bundle has 1-2 labels
Product Advantages:
OKorder's Hot Rolled Rebars 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:
Manufacture: Hot rolled
Grade: HRB400 – HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
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: The products are invoicing on theoritical weight or on actual weight?
A2: We can do it in both manners, according to the customers' request.
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.
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- Q: Can steel rebars be used in structures exposed to extreme temperatures?
- Yes, steel rebars can be used in structures exposed to extreme temperatures. Steel has high thermal conductivity, which allows it to transfer heat quickly, minimizing the risk of structural damage due to thermal expansion or contraction. However, it is essential to consider the specific temperature range and the potential impact on the structural integrity of the rebar. In extremely high temperatures, other materials or protective measures may be necessary to ensure the stability and safety of the structure.
- Q: What are the maintenance requirements for steel rebars in a structure?
- The maintenance requirements for steel rebars in a structure are crucial to ensure the stability and longevity of the building. Steel rebars, also known as reinforcing bars, are used to enhance the strength of concrete structures and resist tension forces. Here are some key maintenance requirements to consider: 1. Visual Inspection: Regular visual inspections should be conducted to detect any signs of corrosion, cracks, or damage in the rebars. This can be done by qualified personnel who have knowledge and experience in identifying structural issues. 2. Cleaning: The rebars should be kept clean from any debris, dirt, or chemicals that can accelerate corrosion. Adequate cleaning methods, such as using water and mild detergents, should be employed to maintain their condition. 3. Corrosion Protection: Steel rebars are susceptible to corrosion, especially in environments with high humidity, exposure to saltwater, or chemical pollutants. Applying protective coatings like epoxy or zinc can help prevent or delay corrosion, increasing the rebars' lifespan. 4. Repair or Replacement: If any rebars are found to be severely corroded, cracked, or damaged, it is essential to repair or replace them promptly. Ignoring these issues can compromise the structural integrity of the building and lead to safety hazards. 5. Monitoring: Continuous monitoring of the rebars' condition is recommended to detect any changes or deterioration over time. This can involve using advanced techniques like ultrasonic testing or electrical potential measurements to assess the rebars' integrity. 6. Proper Drainage: Ensuring proper drainage systems in the structure can help prevent water accumulation and reduce the chances of corrosion in the rebars. Properly designed and maintained gutters, downspouts, and waterproofing measures can help minimize water exposure. 7. Regular Maintenance Schedule: Establishing a regular maintenance schedule is crucial to ensure that all the necessary inspections, cleaning, and repairs are carried out systematically. This helps in identifying potential issues early on and taking corrective actions promptly. By adhering to these maintenance requirements, the steel rebars in a structure can be preserved, contributing to the overall safety, durability, and longevity of the building. Regular maintenance not only prevents costly repairs but also ensures the structural integrity required for the safety of occupants and the longevity of the structure.
- Q: What is the process of anchoring steel rebars in masonry walls?
- The process of anchoring steel rebars in masonry walls involves several steps to ensure a secure and reliable connection between the steel reinforcement and the masonry structure. 1. Design and planning: Before starting the anchoring process, it is important to have a detailed design and plan for the reinforcement layout in the masonry wall. This includes determining the spacing, size, and placement of the rebars based on the structural requirements. 2. Preparation: The masonry wall must be prepared by cleaning the surface and removing any loose debris or obstructions. This ensures a clean and stable base for the rebars. 3. Drilling: Next, holes are drilled into the masonry wall at predetermined locations according to the reinforcement design. These holes are typically slightly larger than the diameter of the rebars to allow for easy insertion. 4. Cleaning and bonding agent application: After drilling, the holes are cleaned to remove any dust or debris. A bonding agent, such as epoxy or cementitious grout, is then applied to the holes. This helps to enhance the bond between the rebars and the masonry wall. 5. Insertion of rebars: The steel rebars are inserted into the prepared holes, ensuring they are aligned according to the reinforcement design. The rebars should be pushed into the holes until they reach the desired depth, ensuring they are fully embedded in the bonding agent. 6. Curing: After the rebars are in place, the bonding agent needs time to cure and harden. The curing time varies depending on the type of bonding agent used and the environmental conditions. Following the recommended curing time is crucial to ensure the rebars are securely anchored in the masonry wall. 7. Quality control: Once the curing process is complete, a thorough inspection is conducted to ensure the rebars are properly anchored and meet the required specifications. This includes checking for proper alignment, depth, and overall stability. By following these steps, the process of anchoring steel rebars in masonry walls provides structural reinforcement and strength to the overall masonry structure, enhancing its durability and resistance to various forces and loads.
- Q: How do steel rebars affect the overall sustainability of a construction project?
- Steel rebars can positively impact the overall sustainability of a construction project in several ways. Firstly, steel rebars enhance the structural integrity of concrete structures, increasing their longevity and reducing the need for maintenance or replacement over time. This reduces the overall environmental impact of the project by minimizing material waste and resource consumption. Additionally, steel rebars can be recycled at the end of their lifecycle, reducing the demand for virgin steel production and lowering carbon emissions associated with manufacturing. Moreover, the strength and durability of steel rebars allow for the construction of more resilient buildings, which can withstand natural disasters and minimize the need for reconstruction, thus promoting long-term sustainability in terms of both environmental and economic aspects.
- Q: How do steel rebars affect the overall construction cost?
- Steel rebars can significantly impact the overall construction cost. While they add to the initial expenses, their use enhances the structural integrity and durability of the building, resulting in long-term cost savings by reducing maintenance and repair expenses. Additionally, steel rebars provide strength and reinforcement, allowing for the construction of taller and more complex structures, which may increase the overall cost but also enhance the building's value and functionality.
- Q: What are the different types of steel rebars used in railway bridges?
- There are several types of steel rebars used in railway bridges, each with their own specific characteristics and applications. Some of the common types include: 1. Carbon Steel Rebars: These are the most commonly used rebars in railway bridges. They are made of carbon steel and provide high tensile strength and excellent durability. Carbon steel rebars can withstand heavy loads and are suitable for various railway bridge applications. 2. Stainless Steel Rebars: Stainless steel rebars are highly resistant to corrosion and are used in railway bridges located in coastal or high humidity areas. They offer excellent long-term performance and are particularly beneficial in preventing rust and deterioration caused by exposure to moisture and salt. 3. Galvanized Steel Rebars: Galvanized steel rebars are coated with a layer of zinc to enhance their corrosion resistance. They are commonly used in railway bridges in areas with aggressive environmental conditions, such as industrial zones or areas prone to chemical exposure. The zinc coating provides an additional protective barrier, increasing the rebars' lifespan. 4. Epoxy-Coated Steel Rebars: Epoxy-coated rebars are coated with a layer of epoxy resin, providing enhanced corrosion protection. They are commonly used in railway bridges exposed to harsh environments, such as bridges located near chemical plants or in heavily polluted areas. The epoxy coating acts as a barrier against corrosion and extends the rebars' service life. 5. Prestressed Steel Rebars: Prestressed steel rebars are designed to withstand high tension loads. They are used in railway bridges that require additional strength and stability, particularly in areas with heavy train traffic or where long spans need to be covered. Prestressed rebars are tensioned before the concrete is poured, allowing them to counteract the tensile forces and prevent cracking or deformation. These are just a few examples of the different types of steel rebars used in railway bridges. The choice of rebar type depends on various factors, including the environmental conditions, load requirements, and design specifications of the bridge. It is essential to select the appropriate type of rebar to ensure the structural integrity and longevity of railway bridges.
- Q: What is the process of threading steel rebars?
- Threading steel rebars involves creating threads on the ends of the rebars to allow for easy and secure connection with other rebars or structural elements. This is typically done using a machine called a rebar threading machine. The first step is to cut the rebars to the desired length and clean the ends to remove any dirt, rust, or debris that could interfere with the threading process. This ensures a smooth and accurate threading operation. Once the rebars are prepared, the rebar threading machine is set up. It consists of a spindle that rotates at a high speed, along with a threading die positioned on the spindle. The threading die has grooves and ridges designed to cut threads into the rebars. To thread a rebar, one end is inserted into the threading machine while the other end is held firmly in place. The machine is then started, and the spindle rotates to cut into the rebar's surface, creating threads by removing small amounts of material. The machine is operated until the desired length of threads is achieved, which can vary depending on project requirements and the type of connection being made. It is crucial to ensure accurate and consistent cutting of the threads to maintain the structural integrity of the rebar connections. After the threading process is complete, the threaded rebars are inspected to ensure clean and defect-free threads that meet the required standards. They are then ready for use in construction projects, where they can be connected to other rebars or structural elements using various methods such as couplers or nuts. In conclusion, threading steel rebars involves cutting and cleaning the rebars, setting up a rebar threading machine, inserting the rebars, and using a threading die to create threads. This process ensures easy and secure connection of rebars in construction projects, providing strength and stability to the structures they are used in.
- Q: Can steel rebars be used in renovation or retrofitting projects?
- Yes, steel rebars can be used in renovation or retrofitting projects. Steel rebars are commonly used in construction projects to reinforce concrete structures, providing strength and durability. In renovation or retrofitting projects, where existing structures need to be strengthened or modified, steel rebars can be utilized to enhance the structural integrity and ensure the safety of the building.
- Q: How do steel rebars affect the overall stability of a structure?
- Steel rebars play a crucial role in enhancing the overall stability of a structure. By reinforcing concrete, rebars increase its tensile strength and prevent cracking or collapsing under heavy loads or external forces. This reinforcement allows the structure to bear more weight, withstand seismic activity, and resist deformation, ultimately ensuring its durability and safety.
- Q: How are steel rebars affected by temperature fluctuations?
- Steel rebars are affected by temperature fluctuations in several ways. Firstly, when exposed to high temperatures, steel rebars can expand, which may lead to the bending or distortion of the structure they support. On the other hand, in cold temperatures, steel rebars contract, potentially causing cracks or fractures in the concrete surrounding them. Rapid and frequent temperature changes can accelerate these effects, increasing the risk of structural damage. Therefore, it is crucial to consider temperature fluctuations when designing and constructing structures using steel rebars.
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Deformed bars Hot Rolled with High Quality and Good Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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