Deformed Steel Bar / Hot Rolled Ribbed Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 5000 m.t./month
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Deformed Steel Bar / Hot Rolled Ribbed Bars
Description for Deformed Steel Bar
Type | Deformed Steel Bar/ Hot Rolled Ribbed Bar |
Standard grade | GB1499.2-2007, HRB335, HRB400, HRB500 and so on. BS4449/2005, B500A, B500B etc.. SD400, SD500, ASTM A615 Gr.40, Gr60 and so on.. |
Shape | Ribbed bars |
Quality | Prime quality |
Technique | Hot rolled |
Size of diameter | 12-32mm, as requested |
Length | 6~12m, as requested |
Delivery time | 10-30 days, according to the quantity |
Note | Customized service is available (for diameter, length and chemical components etc. |
Standard: AISI, ASTM, BS, DIN, GB, JIS, GB
Grade: HRB500
Diameter: 16mm-25mm
Model Number: DIA. 10-32mm
Application: Construction materials
Dimensions: 60*60mm-150*150mm
Technique: Hot Rolled
Chemical Composition: C, Si, Mn, P, S, (B)
Alloy Or Not: Is Alloy
Shape: Square
Secondary Or Not: Non-secondary
FAQ:
Why should you choose us:
1. More than 10 years experience in this industry
2. 100,000 tons exporting per month
3. Professional foreign trade tea
4. OEM&ODM capacity
5. High quality assured & competitive price
6. Try our best to meet your needs & save your budget
7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.
8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.
Pictures:
- Q:What is the process of straightening steel rebars?
- The process of straightening steel rebars involves several steps to ensure the rebars are properly aligned and free from any bends or deformities. Firstly, the rebars are carefully inspected for any visible defects such as twists, kinks, or bends. This initial inspection is important to determine the extent of straightening required and whether any rebars need to be replaced. Once the inspection is complete, the rebars are loaded onto a straightening machine. This machine consists of rotating rollers or hydraulic pressure devices that apply force to the rebars to straighten them. The rebars are fed through the rollers or placed between the hydraulic devices, and pressure is applied gradually to reshape the bars and remove any bends or twists. During the straightening process, it is crucial to maintain control over the applied force to prevent over-straightening or causing any further damage to the rebars. Skilled operators monitor the machine and adjust the pressure accordingly to ensure the rebars are straightened accurately. After the rebars have been straightened, they undergo a final inspection to verify that they meet the required specifications. This inspection includes checking for any remaining deformities, ensuring the rebars are of the correct length, and confirming that they are straight within acceptable tolerances. It is important to note that the straightening process can vary depending on the type and size of the rebars. Different machines and techniques may be used for larger or more complex rebars. Additionally, the process may involve heating the rebars prior to straightening to make them more malleable. Overall, the process of straightening steel rebars involves careful inspection, the use of specialized machinery, skilled operators, and a final inspection to ensure the rebars are straight, aligned, and ready for use in various construction projects.
- Q:How do steel rebars affect the overall moisture resistance of a structure?
- Steel rebars can have a significant impact on the moisture resistance of a structure. When used in concrete, rebars can increase the structural integrity and strength of the construction. However, if the rebars are not properly protected or if there are any cracks or gaps in the concrete, moisture can seep through and reach the steel. This can lead to corrosion and weakening of the rebars, ultimately compromising the moisture resistance and stability of the entire structure. Therefore, proper concrete cover and additional protective measures, such as coatings or waterproofing, are crucial to ensure the rebars' longevity and maintain the structure's moisture resistance.
- Q:Are there any standards or codes governing the use of steel rebars in construction?
- Yes, there are several standards and codes that govern the use of steel rebars in construction. These standards and codes ensure the quality, strength, and safety of steel rebars, and they help maintain consistency in their usage across different construction projects. Some commonly followed standards and codes include ASTM A615/A615M, ASTM A706/A706M, and ACI 318 Building Code Requirements for Structural Concrete.
- 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:Are steel rebars suitable for use in structures with high impact resistance requirements?
- Yes, steel rebars are suitable for use in structures with high impact resistance requirements. Steel rebars are known for their high tensile strength and durability, making them ideal for reinforcing concrete structures that need to withstand heavy impacts. They provide additional strength and stability to the construction, ensuring the structure can withstand various external forces and impacts without compromising its integrity.
- Q:How are steel rebars used in the construction of power plants?
- Steel rebars are used in the construction of power plants to reinforce concrete structures, such as foundations, walls, and columns. These rebars provide strength and durability, ensuring the structural integrity of the power plant and its ability to withstand various loads and forces, including earthquakes and extreme weather conditions.
- Q:How do steel rebars affect the overall ductility of concrete structures?
- Steel rebars significantly enhance the overall ductility of concrete structures. Ductility refers to the ability of a material to deform without fracturing when subjected to stress. In the case of concrete structures, the addition of steel rebars provides an essential mechanism for absorbing and redistributing tensile forces. Concrete is an excellent material for compression, but it is weak in tension. The presence of steel rebars within the concrete matrix allows it to resist tensile forces effectively. When a tensile force is applied to a concrete structure, the rebars bear most of the load, preventing the concrete from cracking or failing. This redistribution of stress helps to increase the overall durability and strength of the structure. Furthermore, steel rebars enhance the ductility of concrete structures by providing a warning sign before failure. As the tensile strength of the rebars is exceeded, they tend to elongate and deform, indicating that the structure is approaching its limit. This warning allows for timely repairs or reinforcement, preventing catastrophic failures. Another crucial aspect of steel rebars in enhancing ductility is their ability to bridge cracks in concrete. When a crack occurs, the rebars act as a reinforcement that spans across the crack, preventing it from propagating further. This bridging effect helps to maintain the integrity of the structure and allows for easier repair or rehabilitation. Overall, the inclusion of steel rebars in concrete structures significantly improves their ductility by enhancing tensile strength, providing warning signs before failure, and bridging cracks. This increased ductility ensures that the structures can withstand various loads, including seismic events and dynamic forces, while maintaining their structural integrity.
- Q:How are steel rebars specified in construction drawings?
- In construction drawings, steel rebars are specified using a combination of symbols, labels, and dimensions. These specifications provide detailed information about the size, shape, and placement of the rebars within the concrete structure. The specifications for steel rebars typically include the following information: 1. Rebar Size: The diameter of the rebar is specified using a numerical value, such as 8, 10, 12, etc., which indicates the bar size in millimeters or inches. 2. Rebar Shape: The shape of the rebar can be specified using symbols or abbreviations, such as "D" for deformed or "SD" for smooth and deformed. 3. Rebar Spacing: The spacing between rebars is typically specified using a numerical value, such as 150, 200, or 300, which indicates the distance between the centerlines of adjacent rebars in millimeters or inches. 4. Rebar Bending: If rebars need to be bent to a specific shape, the bending details are often included in the construction drawings. This includes the angle and radius of the bend, as well as the location at which the bending is required. 5. Rebar Placement: Construction drawings typically include plans, sections, and elevations that show the precise location and arrangement of the rebars within the concrete structure. These drawings may include details such as the number of rebars, their orientation, and their position relative to other elements of the structure. 6. Rebar Schedule: A rebar schedule is often provided in construction drawings, which summarizes all the specifications for each rebar element in a tabular format. This includes information such as the rebar mark, size, length, weight, and any special instructions. Overall, the specifications for steel rebars in construction drawings ensure that the rebars are correctly fabricated, installed, and integrated into the concrete structure, meeting the design requirements and ensuring the structural integrity and safety of the building.
- Q:How are steel rebars cut to size on construction sites?
- Steel rebars are commonly cut to size on construction sites using a variety of tools and techniques. One common method is using a rebar cutter, which is a handheld tool specifically designed for cutting rebars. This tool typically operates with a hydraulic, electric, or pneumatic system, providing the necessary force to cut through the steel. Rebar cutters can usually handle different sizes of rebars, allowing for precise and efficient cutting. Another method commonly used is a cutting torch, which utilizes a mixture of oxygen and acetylene to generate a high-temperature flame. This flame is directed onto the steel rebar, melting it and allowing for easy cutting. Cutting torches are often used when rebars need to be cut at specific angles or shapes, as they offer more freedom in terms of customization. In addition to these tools, construction sites may also employ portable saws, such as reciprocating saws or circular saws, equipped with specialized blades designed for cutting through steel. These saws are particularly useful when multiple rebars need to be cut simultaneously or when there is a need for more precise and accurate cuts. Regardless of the method used, safety precautions are always taken on construction sites when cutting steel rebars. Workers are required to wear appropriate protective gear, including gloves, goggles, and masks, to protect themselves from sparks, flying debris, and fumes. Additionally, the area surrounding the cutting operation is often cordoned off to ensure the safety of other workers and prevent accidents. Overall, the cutting of steel rebars on construction sites involves the use of specialized tools such as rebar cutters, cutting torches, or portable saws. These tools, combined with safety measures, allow for the precise and efficient cutting of rebars to size, ensuring they fit perfectly in the construction project at hand.
- Q:How are steel rebars used in the construction of chemical processing plants?
- Steel rebars are used in the construction of chemical processing plants to provide strength and reinforce concrete structures. They are typically embedded in concrete foundations, walls, and floors to enhance their load-bearing capacity and ensure structural stability, especially in areas where corrosive chemicals and high temperatures are present. Rebars help prevent cracking and provide resistance against the harsh conditions commonly found in chemical processing plants, ensuring the longevity and safety of the structures.
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Deformed Steel Bar / Hot Rolled Ribbed Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 5000 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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