Steel Reinforcing Bar 5.5mm-32mm for Building
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 200 m.t.
- Supply Capability:
- 1500 m.t./month
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Steel Reinforcing Bar 5.5mm-32mm for Building
Description for Reinforcing Bar:
| Reinforcing steel bars, rebar, Deformed steel bars | |||
| Size: | 8mm-32mm | Steel Grade: | HRB335, HRB400, HRB500, A615 Gr40, Gr60,BS4449 G460B, G500B JIS SD390, SD490, KS SD40, SD50 |
| Length: | 6m-12m | MOQ each size: | 200MT. |
| Loading port: | Tianjin or any other port china. | Packing: | in bundle. |
Payment term | LC , TT | Application: | Building, bridge , road or project construction |
Data for Reinforcing Bar:
HRB400 | Chemical Composition(%) | C | Mn | Si | P | S |
| 0.25max | 1.60max | 0.80max | 0.045max | 0.045max | ||
Mechanical Property | Yield Strength | Tensile Strenth | Elongation | |||
| 400Mpa min | 540Mpa min | 16% | ||||
HRB500 | Chemical Composition(%)
| C | Mn | Si | P | S |
| 0.25max | 1.60max | 0.80max | 0.045max | 0.045max | ||
| Mechanical Property | Yield Strength | Tensile Strength | Elongation | |||
| 500Mpa min | 630Mpa min | 15% | ||||
| HRB335 | Chemical Composition (%) | C | Mn | Si | P | S |
| 0.25max | 1.60max | 0.80max | 0.045max | 0.040max | ||
Mechanical Property | Yield Strength | Tensile strength | Elongation | |||
| 335Mpa min | 455Mpa min | 17% | ||||
Main Structure for Reinforcing Bar
Standard: AISI, ASTM, BS, DIN, GB, JIS, GOST
Grade: hrb335 hrb400 hrb500
Diameter: 5.5mm-32mm
Length: 6m-12m
Place of Origin: China (Mainland)
Model Number: 5.5mm-32mm
Application: contruction for project and building
steel reinforcing bar size: 5.5mm-32mm
steel reinforcing bar steel grade: hrb400 hrb500 hrb335 hpb300 q195
steel reinforcing bar length: 6mm-12mm
reinforcing bar MOQ:: 300MT for each size
FAQ:
Q: How’s your service?
A:1. Offer customers 24/7 service, whenever you need us, we are always here for you.
2. Immediate response. Your any inquiry will be replied within 24 hours.
3. Support small order quantity, for the first time cooperation customers, we can send you less quantity for trial order.
4. Support third party inspection company to inspect and check the quality and quantity before delivery.
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- Q: What is the process of reinforcing concrete walls with steel rebars?
- To ensure the strength and integrity of a concrete wall, it is necessary to reinforce it with steel rebars. This process consists of several steps. Engineers first determine the design and layout of the rebars based on the specific requirements of the wall. This involves considering the diameter, spacing, and placement of the rebars. Once the design is finalized, construction of the concrete wall can begin. The rebars are typically placed in a grid-like pattern within the formwork or molds. They are positioned at predetermined intervals and secured in place using wire ties or other fastening methods. During the pouring of the concrete, the rebars are completely enclosed within the mixture. This ensures that the concrete and steel work together to resist tension forces and provide additional strength to the wall. Once the concrete has been poured and cured, the rebars become an integral part of the structure. They act as reinforcement by absorbing and distributing tensile forces that may arise from external loads or environmental factors. In addition to the initial reinforcement, construction workers may also install vertical rebars along the height of the wall, commonly referred to as wall ties. These rebars provide further stability and prevent the wall from cracking or collapsing under pressure. Overall, the process of reinforcing concrete walls with steel rebars requires careful planning, precise placement, and proper integration between the rebars and the concrete. This technique significantly enhances the strength and durability of the walls, enabling them to withstand heavier loads and ensuring the safety of the structure.
- Q: How do steel rebars affect the durability of concrete in freeze-thaw cycles?
- Steel rebars can significantly improve the durability of concrete in freeze-thaw cycles. Due to their high tensile strength and ability to resist corrosion, rebars enhance the structural integrity of concrete by providing reinforcement and preventing cracking. By effectively distributing the tensile stresses caused by freeze-thaw cycles, steel rebars help to maintain the overall stability and longevity of the concrete structure.
- Q: Can steel rebars be used in the construction of dams or reservoirs?
- Yes, steel rebars can be used in the construction of dams or reservoirs. Steel rebars provide structural reinforcement and enhance the strength and durability of concrete structures, making them suitable for large-scale projects like dams and reservoirs.
- Q: Are there any specific guidelines for storing steel rebars on-site?
- Yes, there are specific guidelines for storing steel rebars on-site. Here are some key guidelines to consider: 1. Rebars should be stored on a flat, level surface to prevent distortion or bending. If the ground is not level, use wooden pallets or metal racks to create a stable storage area. 2. Ensure that the storage area is clean and free from any debris that could damage the rebars. Avoid storing rebars directly on the ground or in areas prone to water accumulation. 3. Proper stacking is important to prevent rebars from toppling over. Stack rebars in an orderly manner, making sure to align them vertically and horizontally. Use spacers or separators to maintain adequate spacing between the rebars and prevent them from touching each other. 4. If rebars are stored outdoors, cover them with a waterproof tarp or plastic sheeting to protect them from rain, snow, and moisture. This will help prevent rust and corrosion. 5. If rebars are stored indoors, ensure that the storage area has proper ventilation to prevent moisture buildup. This is particularly important to prevent rusting in humid environments. 6. Rebars should be stored away from any potential sources of damage, such as heavy machinery, construction equipment, or areas with high traffic. This will minimize the risk of accidental damage during construction activities. 7. Regularly inspect the rebars for any signs of damage, rust, or corrosion. If any rebars are found to be damaged, they should be removed from storage and replaced to ensure structural integrity in the construction project. Following these guidelines will help ensure that steel rebars are stored safely and maintain their structural integrity for use in construction projects.
- Q: What is the process of installing steel rebars in slabs and beams?
- The process of installing steel rebars in slabs and beams involves several steps. Firstly, the design and layout of the rebars are determined based on the structural requirements. The rebars are then cut, bent, and shaped according to the specifications. Next, the concrete forms for the slabs and beams are prepared, ensuring they are clean and properly aligned. Once the forms are ready, the rebars are placed inside the forms in the desired positions, maintaining the required spacing and clearances as per the design. Proper support is provided to hold the rebars in place and prevent displacement during the concrete pouring process. After the rebars are correctly positioned, concrete is poured into the forms, covering the rebars entirely. During pouring, care is taken to ensure that the concrete adequately surrounds and encases the rebars, providing the necessary structural integrity. Finally, the concrete is allowed to cure and harden, creating a strong bond with the rebars. Once the concrete has fully cured, the forms are removed, and any excess concrete or debris is cleaned off the surface. Overall, the process of installing steel rebars in slabs and beams involves careful planning, precise positioning, and proper concrete placement to create a reinforced structure that can withstand the intended loads and stresses.
- Q: How are steel rebars classified based on grades?
- The strength of steel rebars is determined by their grade, which is based on their minimum yield strength. Steel rebars are classified into different grades to indicate their ability to withstand stress and loads. Grade 40, Grade 60, and Grade 75 are the most commonly used grades for steel rebars. Grade 40 rebars have a minimum yield strength of 40,000 psi and are typically used in general construction projects where high strength is not the main requirement. They are suitable for light to moderate load-bearing structures such as residential buildings, sidewalks, and driveways. Grade 60 rebars, with a minimum yield strength of 60,000 psi, are the most widely used for construction purposes. They can be applied in a wide range of applications and are commonly used in reinforced concrete structures, bridges, highways, and commercial buildings. Grade 60 rebars provide the necessary strength to withstand heavy loads and seismic forces. Grade 75 rebars, with a minimum yield strength of 75,000 psi, are designed for high-stress applications. They are mainly used in large-scale infrastructure projects, including high-rise buildings, dams, and heavy industrial structures. Grade 75 rebars offer exceptional strength and durability, making them suitable for projects that require superior load-bearing capacity and resistance to extreme conditions. It is important to note that the specific requirements and standards for steel rebars may vary among different countries and regions. Therefore, it is crucial to adhere to local codes and regulations to determine the appropriate grade of steel rebar for each construction project.
- Q: How are steel rebars used in construction?
- Steel rebars, also known as reinforcing bars, play a crucial role in construction projects. They are primarily used to reinforce concrete structures and provide strength and stability to building elements such as beams, columns, slabs, and foundations. In construction, rebars are typically laid in a grid pattern within the concrete formwork before pouring the concrete. This grid formation allows the rebars to distribute the tensile forces that occur in concrete structures, preventing cracking and enhancing structural integrity. The rebars are carefully placed at specific locations within the concrete elements based on the design and engineering specifications. They are generally spaced apart at predetermined intervals to ensure optimal reinforcement and to bear the anticipated loads. During the concrete pouring process, the wet concrete fully envelops the rebars, creating a bond between the two materials. As the concrete hardens and cures, it tightly grips the rebars, creating a composite structure that can resist bending, shearing, and other types of stress. Steel rebars are available in various sizes and grades, depending on the specific requirements of the construction project. They are typically made from carbon steel and may have different surface finishes to enhance their bonding capabilities with concrete. In addition to providing strength, rebars also help in controlling cracking caused by shrinkage, temperature changes, and external forces. By absorbing and distributing these forces, they minimize the risk of structural failure and ensure the overall stability and durability of the concrete components. Overall, steel rebars are essential components in construction as they reinforce concrete structures, increase load-bearing capacity, and enhance the longevity of buildings and infrastructure. Their proper placement and utilization are critical for building resilience, safety, and structural integrity.
- Q: What are the common quality tests performed on steel rebars?
- Steel rebars undergo several common quality tests to guarantee their strength and durability, ensuring they meet the necessary standards and can withstand the intended load and environmental conditions. The tensile test is one of the most prevalent quality tests for steel rebars. This test determines the maximum amount of tensile stress the rebar can bear before breaking, providing insights into its tensile strength and ductility. Another significant quality test is the bend test, which involves bending a rebar at a specific angle without it breaking. This test evaluates the rebar's flexibility, resistance to cracking or fracturing, and is particularly crucial for construction projects requiring bending or shaping. Chemical composition analysis is conducted to determine the percentage of various elements present in the steel rebars, such as carbon, manganese, phosphorus, sulfur, among others. This analysis ensures that the rebars meet specific requirements and do not contain any impurities that could jeopardize their strength or corrosion resistance. Corrosion resistance is also a vital property for steel rebars, especially in high-moisture or chemically exposed environments. A corrosion test is performed by subjecting the rebars to corrosive environments like salt spray or acidic solutions, assessing their resistance to corrosion. This test helps determine the rebars' suitability for specific applications and prevents premature degradation. Lastly, dimensional tests are conducted to verify that the rebars meet required dimensions and tolerances. These tests involve measuring the rebars' length, diameter, and weight. Deviations from specified dimensions can impact the rebars' structural integrity and compatibility with other construction materials. In summary, quality tests for steel rebars include tensile testing, bend testing, chemical composition analysis, corrosion resistance testing, and dimensional testing. These tests are crucial in ensuring the strength, durability, and suitability of steel rebars for various construction applications.
- Q: Are steel rebars suitable for use in tunnels and underground mines?
- Yes, steel rebars are suitable for use in tunnels and underground mines. Steel rebars, also known as reinforcement bars, are commonly used in construction for their strength and durability. In tunnels and underground mines, where structural integrity is crucial, steel rebars provide the necessary reinforcement to withstand the heavy loads and pressures associated with these environments. Steel rebars have excellent tensile strength, which allows them to resist bending and cracking under high stress. This is particularly important in tunnels and underground mines, where the surrounding rock and soil can exert significant pressure on the structure. By reinforcing the concrete or other structural materials with steel rebars, the overall strength and stability of the tunnel or mine are enhanced, reducing the risk of collapse or damage. Furthermore, steel rebars are resistant to corrosion, making them suitable for use in underground environments where moisture and chemical exposure are common. Corrosion can weaken the structural integrity of reinforcement materials, compromising the safety of the tunnel or mine. Steel rebars, on the other hand, provide long-lasting reinforcement, ensuring the longevity and reliability of the infrastructure. In addition, steel rebars can be easily fabricated and installed, making them a convenient choice for tunnel and underground mine construction. They can be cut and bent to specific shapes and sizes, allowing for customized reinforcement solutions that meet the unique requirements of each project. This versatility and ease of installation make steel rebars a practical choice for tunnels and underground mines, where complex geometries and challenging conditions are often encountered. Overall, steel rebars are well-suited for use in tunnels and underground mines due to their strength, durability, corrosion resistance, and ease of installation. By using steel rebars as reinforcement, these structures can be built to withstand the demanding conditions and ensure the safety of workers and the longevity of the infrastructure.
- Q: How do steel rebars perform in fire-resistant constructions?
- Steel rebars perform well in fire-resistant constructions due to their high melting point and thermal conductivity. They can withstand high temperatures for an extended period without significant deformation or loss of strength. This makes them suitable for reinforcing concrete structures in fire-prone areas, providing stability and structural integrity during a fire. Additionally, the thermal conductivity of steel helps to dissipate heat, reducing the risk of localized temperature increases that could compromise the overall fire resistance of the construction.
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Steel Reinforcing Bar 5.5mm-32mm for Building
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 200 m.t.
- Supply Capability:
- 1500 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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