GB STANDARD HIGH QUALITY HOT ROLLED REBAR

GB STANDARD HIGH QUALITY HOT ROLLED REBAR System 1

GB STANDARD HIGH QUALITY HOT ROLLED REBAR

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Product Description:

Appearance: Black

Technique: Slitting hot rolled steel coil

Grade: Q235, Q195,A36 SS400 S235jr.St37-2

Standard: AISI,GB,DIN,ASTM,EN,JIS

Length: 6m, 9m, 12m or as your requirement.

Width: 10mm-1010mm

Thickness: 1.5mm-20mm

Business type: big manufacture

Place of origin: Tianjin China (Mainland)

Packaging Details: In bundles for exporting and sea worthy

Delivery Detail: Within 15-35 days after receiving L/C or deposite T/T

GB STANDARD HIGH QUALITY HOT ROLLED REBAR

General specification as below:

Flat Bar Specification
Width (mm)	Thickness (mm)	Length (m)	Theoretical Weight (kg/m)
20	2.0	6/9/12	0.31
20	2.5	6/9/12	0.39
20	2.75	6/9/12	0.43
25	2.5	6/9/12	0.49
25	3.75	6/9/12	0.74
30	2.5	6/9/12	0.59
30	3.5	6/9/12	0.82
30	9.75	6/9/12	2.30
40	3.5	6/9/12	1.10
40	4.75	6/9/12	1.50
40	11.75	6/9/12	3.69
50	2.75	6/9/12	1.08
50	4.5	6/9/12	1.77
50	9.75	6/9/12	3.83
60	5.5	6/9/12	2.60
60	7.5	6/9/12	3.53
60	11.5	6/9/12	5.42
80	5.5	6/9/12	3.45
80	7.5	6/9/12	4.71
80	11.75	6/9/12	7.38
100	3.25	6/9/12	2.55
100	4.75	6/9/12	3.73
100	7.5	6/9/12	5.89
120	9.75	6/9/12	9.18
120	11.75	6/9/12	11.07
150	9.75	6/9/12	11.48
150	11.5	6/9/12	13.54
150	13.5	6/9/12	15.90
160	11.75	6/9/12	14.76
200	9.5	6/9/12	14.92
250	5.75	6/9/12	11.28
340	7.75	6/9/12	20.68

Products Advantages

1. high quality competitive price and Accurate in size

2. high dimensional accuracy

3. Guaranteed raw material

4.high utilization rate of material

5.convenient in construction, saving much time and labor

6. high mechanical strength

Application: Widely used for construction, Ship building, Machinery manufacturing ,steel structure,agriculture and steel grating.

Q: Can steel rebars be used in the construction of underground parking structures?: Yes, steel rebars can be used in the construction of underground parking structures. Steel rebars are commonly used in reinforced concrete structures to provide strength and durability. In underground parking structures, where the load-bearing capacity and structural integrity are crucial, steel rebars are essential in reinforcing the concrete to withstand the weight of vehicles and the underground environment.

Q: How do steel rebars affect the overall cost of maintenance and repairs?: Steel rebars can have a significant impact on the overall cost of maintenance and repairs in various structures. Firstly, steel rebars are commonly used to reinforce concrete structures such as buildings, bridges, and highways. These rebars provide strength and durability to the concrete, helping to prevent cracks and structural failures. When it comes to maintenance, steel rebars can play a crucial role in reducing the frequency and costs of repairs. By reinforcing the concrete, rebars help to distribute stress and load evenly, minimizing the chances of structural damage. This means that maintenance and repair works will be less frequent, saving both time and money for property owners or infrastructure managers. Moreover, steel rebars also contribute to the longevity of structures. By preventing cracks and other forms of damage, rebars help to extend the lifespan of the concrete. This reduces the need for costly and extensive repairs or even the complete replacement of the structure in the long run. However, it is important to note that steel rebars may also require maintenance themselves. Over time, rebars can corrode due to exposure to moisture, chemicals, or environmental factors. This corrosion can weaken the rebars and compromise the integrity of the structure. Therefore, periodic inspection and maintenance of the rebars are necessary to prevent any potential issues. In conclusion, steel rebars have a significant impact on the overall cost of maintenance and repairs. While they contribute to the strength and durability of structures, reducing the need for frequent repairs, they also require their own maintenance to prevent corrosion. Properly maintained steel rebars can help to extend the lifespan of structures and save costs in the long term.

Q: Are steel rebars suitable for use in earthquake-resistant structures?: Yes, steel rebars are suitable for use in earthquake-resistant structures. Steel rebars, also known as reinforcing bars, are commonly used in construction to provide structural strength and reinforcement. They have been proven to be effective in improving the strength and ductility of concrete structures, making them more resistant to seismic forces. During an earthquake, structures are subjected to intense shaking and ground motion. Steel rebars help in distributing and dissipating the energy generated by these seismic forces, thereby reducing the vulnerability of a structure to damage or collapse. The use of steel rebars enhances the overall structural integrity and stability, enabling buildings and other infrastructure to withstand the lateral and vertical forces associated with earthquakes. Moreover, steel rebars possess excellent tensile strength, which is crucial for seismic resistance. Unlike concrete, which is strong in compression but weak in tension, steel rebars provide the necessary reinforcement to counteract tensile stresses caused by seismic activity. This ability to resist both compression and tension makes steel rebars an ideal choice for earthquake-resistant structures. Additionally, steel rebars can be designed and installed in such a way that they provide additional ductility to a structure. Ductility refers to a material's ability to undergo deformation without fracturing. During an earthquake, structures with higher ductility can undergo significant deformations and absorb energy, reducing the risk of catastrophic failure. Steel rebars are known for their high ductility, allowing them to effectively absorb and dissipate seismic energy. In conclusion, steel rebars are highly suitable for use in earthquake-resistant structures. Their strength, ability to resist both compression and tension, and high ductility make them an essential component in ensuring the structural integrity and safety of buildings and infrastructure in seismic-prone areas.

Q: Can steel rebars be used in structures with extreme temperature variations?: Structures that experience extreme temperature variations can generally utilize steel rebars. Steel possesses exceptional durability and strength due to its high melting point, making it suitable for various construction applications. However, there are several factors to consider when employing steel rebars in such structures. To begin with, steel exhibits thermal expansion, meaning it expands and contracts as temperatures fluctuate. If not properly addressed, this expansion and contraction can potentially stress and strain the structure. Engineers and architects counteract this issue by implementing design techniques such as incorporating expansion joints or allowing for thermal movement. These measures accommodate the steel's thermal expansion and prevent damage. Additionally, extreme temperature variations can impact the mechanical properties of steel. Exposure to high temperatures can cause steel to lose its strength and stiffness, compromising the structural integrity. Conversely, low temperatures can make the steel brittle, increasing the likelihood of cracks or fractures. Therefore, it is crucial to select steel rebars of the appropriate grade and quality, specifically designed to withstand the expected temperature variations. Furthermore, the type and purpose of the structure should be taken into consideration. For example, in structures where extreme temperature variations are anticipated, such as bridges or buildings in regions with hot summers and cold winters, thermal insulation or other measures should be incorporated into the design. These measures prevent excessive heat transfer or the accumulation of thermal stress. In conclusion, steel rebars can be employed in structures experiencing extreme temperature variations, but careful considerations must be made. By accounting for thermal expansion, selecting suitable steel grades, and incorporating design techniques to accommodate temperature changes, the structural integrity and performance can be maintained. This ensures the safety and longevity of the construction.

Q: What are the guidelines for proper placement of steel rebars in concrete structures?: To ensure the structural integrity and durability of concrete structures, it is crucial to place steel rebars correctly. Here are some guidelines to follow for proper rebar placement: 1. Consider the Design: Begin by referring to the structural drawings and specifications provided by the engineer. These documents will outline the required rebar sizes, spacing, and any specific details or arrangements needed for the project. 2. Determine Rebar Size and Spacing: The size and spacing of rebars should be based on the structural requirements and load-bearing capacity of the concrete structure. Adhere to the design specifications for the diameter and spacing of rebars to provide sufficient reinforcement. 3. Maintain Concrete Cover: The distance between the outer surface of the rebar and the edge of the concrete is called the concrete cover. This cover protects the rebars from corrosion and provides fire resistance. It is essential to maintain the specified concrete cover to ensure the rebars' longevity. 4. Consider Lap Length: When rebars need to be spliced or joined together, a lap length is specified. This length ensures enough overlap for stress transfer between rebars and prevents weak points in the structure. 5. Align and Position Rebars: Properly align and position rebars within the concrete formwork. Place them in the center of the concrete section to effectively resist tension and compression forces. Spacers or chairs can be used to maintain the desired rebar position during concrete pouring and setting. 6. Maintain Clearances and Edge Distance: Adequate clearances between rebars must be maintained to allow proper concrete flow during casting. Similarly, minimum edge distances should be maintained to prevent rebar corrosion and ensure proper concrete cover. 7. Tie and Fix Rebars: Securely tie and fix rebars at intersections to prevent displacement during concrete placement. Properly tying rebars using wire or approved connectors helps maintain their position and ensures the concrete's structural integrity. 8. Conduct Inspections and Quality Control: Regular inspections should be carried out during the concrete pouring process to verify correct rebar placement according to the design specifications. Address any deviations or discrepancies promptly to avoid compromising the structure's integrity. By following these guidelines, construction professionals can ensure the correct placement of steel rebars in concrete structures. This will result in safe and durable constructions that can withstand design loads and provide long-term structural stability.

Q: How do steel rebars affect the maintenance requirements of a structure?: Steel rebars can significantly impact the maintenance requirements of a structure by enhancing its structural integrity and durability. The use of steel rebars in concrete structures helps prevent cracking, improve load-bearing capacity, and enhance resistance against external forces such as earthquakes and weathering. As a result, the maintenance requirements of the structure are reduced as it becomes more resilient to wear and tear, reducing the need for frequent repairs or replacements.

Q: How do steel rebars affect the overall acoustic properties of a structure?: Steel rebars have a minimal impact on the overall acoustic properties of a structure. Since steel is a dense and rigid material, it effectively dampens sound and reduces vibrations. However, the primary purpose of steel rebars is to reinforce the structure and provide strength, rather than influence its acoustic properties.

Q: How do steel rebars contribute to the strength of concrete structures?: There are multiple ways in which steel rebars contribute to the strength of concrete structures. Firstly, they enhance the tensile strength of the concrete. While concrete is strong when compressed, it is weak when under tension. When a concrete structure is subjected to bending or stretching forces, the steel rebars bear the load and prevent the concrete from cracking or failing. Secondly, steel rebars aid in controlling and preventing the spread of cracks in concrete. By being embedded within the concrete, rebars create a reinforcing framework that redistributes stress across the structure. This helps limit the formation and expansion of cracks, ensuring the overall integrity and durability of the concrete structure. Moreover, steel rebars improve the overall structural stability and load-bearing capacity of concrete structures. By distributing the load more evenly, the presence of rebars allows concrete structures to withstand greater external forces, such as the weight of a building or the impact of seismic activity. Additionally, steel rebars contribute to the longevity of concrete structures. The steel used in rebars is highly resistant to corrosion, which is a common issue in concrete structures exposed to harsh environmental conditions or corrosive elements. This corrosion resistance ensures that the rebars maintain their strength and structural integrity over time, extending the lifespan of the concrete structure. To summarize, steel rebars play a significant role in enhancing the strength of concrete structures by improving tensile strength, controlling crack propagation, enhancing structural stability, and increasing longevity. Their presence ensures that concrete can withstand various external forces and maintain its structural integrity, making them an essential component in the construction of durable and reliable concrete structures.

Q: Are steel rebars suitable for use in road construction?: Yes, steel rebars are suitable for use in road construction. Steel rebars, also known as reinforcing bars, are commonly used in road construction projects due to their high strength and durability. They help to reinforce concrete and enhance the structural integrity of the road, making it capable of withstanding heavy loads and traffic over a long period of time. Steel rebars are resistant to corrosion and have a high tensile strength, which allows them to absorb and distribute the stress and strain generated by vehicles passing over the road surface. Additionally, steel rebars provide flexibility and prevent cracking in the concrete, making them an essential component in road construction to ensure long-lasting and safe roads.

Q: How do steel rebars contribute to the durability of concrete?: Steel rebars contribute to the durability of concrete by providing reinforcement and strength to the structure. When embedded in concrete, rebars help to counteract tensile forces, which are the forces that tend to pull apart the concrete. This prevents cracking and enhances the structural integrity of concrete, making it more resistant to various external factors such as heavy loads, seismic activity, and temperature changes. Additionally, rebars help to distribute stress evenly throughout the concrete, reducing the risk of localized damage and increasing the overall longevity of the structure.

Send your message to us

*Email

*TEL

*Quantity

*Unit