GB STANDARD HIGH QUALITY HOT ROLLED STEEL REINFORCEMENT BAR

GB STANDARD HIGH QUALITY HOT ROLLED STEEL REINFORCEMENT BAR System 1

GB STANDARD HIGH QUALITY HOT ROLLED STEEL REINFORCEMENT BAR

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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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

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 STEEL REINFORCEMENT BAR

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: How are steel rebars handled and stored on construction sites?: Steel rebars, also known as reinforcing bars, are an integral component in construction projects that require reinforced concrete structures. Handling and storing steel rebars on construction sites require careful attention to ensure their quality and safety. When steel rebars are delivered to the construction site, they should be inspected for any signs of damage or corrosion. Any damaged rebars should be discarded as they can compromise the structural integrity of the project. The rebars should also be checked for proper labeling, including grade, size, and other specifications. To handle steel rebars, workers typically use mechanical lifting equipment such as cranes or forklifts. It is essential to use appropriate lifting tools to prevent any mishandling or accidents that could result in injuries. The rebars should be lifted in a vertical position to avoid any bending or distortion. Once lifted, steel rebars should be stored in a designated area, usually called a rebar yard. The yard should be clean, well-drained, and organized to prevent any potential damage or corrosion. The rebars should be stacked horizontally on leveled ground, ensuring that they are not in direct contact with the soil or water to avoid rusting. To prevent rebars from rolling or falling, they should be securely tied together using binding wires or steel bands. This will also help in maintaining the order and stability of the stored rebars. Additionally, rebars should be stored away from other construction materials, machinery, or equipment to avoid any accidental damage. Proper storage also involves protecting the rebars from exposure to adverse weather conditions. Covering the rebars with waterproof tarpaulins or plastic sheets can prevent moisture absorption and corrosion. Adequate ventilation should be ensured to prevent the accumulation of moisture, which can lead to rusting. Regular inspections of the stored rebars are crucial to identify any signs of damage or deterioration. If any rebars are found to be damaged or rusty, they should be removed and replaced immediately to maintain the structural integrity of the construction project. In conclusion, steel rebars on construction sites are handled and stored with utmost care. Proper handling involves using suitable lifting equipment, while storage requires a clean and organized rebar yard. Regular inspections and maintenance are essential to ensure the rebars' quality and prevent any compromise to the construction project's structural integrity.

Q: What is the difference between black and epoxy-coated steel rebars?: The main difference between black and epoxy-coated steel rebars is the presence of a protective coating on the latter. Black steel rebars are bare steel bars that are susceptible to corrosion, while epoxy-coated steel rebars have a layer of epoxy coating that acts as a barrier against corrosion. This coating provides enhanced durability and longevity to the rebar, making it more suitable for use in environments where corrosion is a concern, such as in coastal areas or concrete structures exposed to chemicals.

Q: What are the common mistakes to avoid while using steel rebars?: Some common mistakes to avoid while using steel rebars include improper placement and spacing, insufficient concrete cover, using rusty or damaged rebars, improper anchoring or tying, and neglecting to clean and prepare the rebars before installation.

Q: What are the environmental benefits of using steel rebars?: Using steel rebars in construction projects has several environmental benefits. Firstly, steel is a highly recyclable material, which means that steel rebars can be reused or repurposed after their initial use. This reduces the demand for new steel production and decreases the amount of waste sent to landfills. Additionally, steel rebars have a longer lifespan compared to other construction materials, such as wood or concrete. This durability reduces the need for frequent replacements and repairs, thus reducing the environmental impact associated with production and transportation of new materials. Steel rebars also offer superior strength and stability, leading to more resilient structures. This helps in reducing the risk of structural failures or collapses, which can have devastating environmental consequences. By using steel rebars, the overall safety and longevity of buildings and infrastructure are enhanced, reducing the need for extensive reconstruction or demolition in the future. Furthermore, steel rebars are resistant to corrosion, which means that they require less maintenance and upkeep over time. This reduces the use of chemicals and resources typically needed for maintenance purposes, resulting in lower environmental impact. Lastly, steel rebars can be manufactured with a high percentage of recycled content. By utilizing recycled steel, the demand for new steel extraction and the associated environmental impacts, such as deforestation and habitat destruction, can be reduced. Overall, the use of steel rebars in construction projects offers several environmental benefits, including reduced waste generation, increased durability, enhanced structural safety, lower maintenance requirements, and decreased reliance on new steel production.

Q: What is the role of steel rebars in pile foundation construction?: The role of steel rebars in pile foundation construction is to reinforce the concrete and provide additional strength and structural integrity to the piles. The rebars are placed within the concrete to resist tension and compression forces, preventing cracking and ensuring the stability and durability of the pile foundation.

Q: What are the guidelines for proper placement of steel rebars in concrete structures?: The proper placement of steel rebars in concrete structures is essential to ensure the structural integrity and durability of the construction. Here are some guidelines to follow for the correct placement of rebars: 1. Design Considerations: The first step is to refer 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. Rebar Size and Spacing: The size and spacing of rebars are determined based on the structural requirements and load-bearing capacity of the concrete structure. The diameter and spacing of the rebars should adhere to the design specifications to provide adequate reinforcement. 3. Concrete Cover: The concrete cover refers to the distance between the outer surface of the rebar and the edge of the concrete. This cover protects the rebars from corrosion and provides fire resistance. It is crucial to maintain the specified concrete cover to ensure the longevity of the rebars. 4. Lap Length: In cases where rebars need to be spliced or joined together, a lap length is specified. The lap length ensures sufficient overlap for the transfer of stress between the rebars and prevents any weak points in the structure. 5. Alignment and Positioning: Rebars should be properly aligned and positioned within the concrete formwork. They should be placed in the center of the concrete section to effectively resist tension and compression forces. The use of spacers or chairs can help maintain the desired rebar position during the pouring and setting of the concrete. 6. Clearances and Edge Distance: Adequate clearances must be maintained between rebars to allow for proper concrete flow during casting. Similarly, minimum edge distances should be maintained to prevent rebar corrosion and ensure proper concrete cover. 7. Tying and Fixing: Rebars should be securely tied and fixed at intersections to prevent displacement during concrete placement. Properly tying the rebars using wire or approved connectors helps maintain their position and ensures the structural integrity of the concrete. 8. Inspection and Quality Control: Regular inspections should be conducted during the concrete pouring process to verify that the rebars are placed correctly and according to the design specifications. Any deviations or discrepancies should be addressed promptly to avoid compromising the structural integrity of the concrete structure. By following these guidelines, construction professionals can ensure the proper placement of steel rebars in concrete structures, resulting in safe and durable constructions that can withstand the design loads and provide long-term structural stability.

Q: Are steel rebars suitable for use in industrial structures?: Yes, steel rebars are commonly used in industrial structures due to their high strength and durability. They provide reinforcement and structural support, making them suitable for withstanding heavy loads and maintaining the integrity of the structure.

Q: Can steel rebars be used in historical bridge restoration?: Yes, steel rebars can be used in historical bridge restoration. In many cases, historical bridges may have deteriorated or suffered damage over time, and steel rebars can provide strength and stability during the restoration process. Steel rebars are commonly used in reinforced concrete structures and can help reinforce the bridge's structural integrity. However, it is important to consider the aesthetics of the historical bridge and ensure that the use of steel rebars does not compromise its historical value or appearance. Preservation guidelines and consultations with historical experts can help determine the appropriate use of steel rebars in historical bridge restoration projects.

Q: Are there any limitations on the maximum length of steel rebars?: Yes, there are limitations on the maximum length of steel rebars. The length of steel rebars is typically limited by transportation and handling constraints. Rebars are often manufactured in standard lengths that can be easily transported and manipulated on construction sites. However, longer lengths can be custom-made if required, but they may have practical limitations based on logistical factors.

Q: Can steel rebars be used in structures with high resistance to UV radiation?: No, steel rebars cannot be used in structures with high resistance to UV radiation as steel is susceptible to corrosion when exposed to UV radiation for extended periods of time.

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