• Deformed Steel Rebar Straight High Quality System 1
  • Deformed Steel Rebar Straight High Quality System 2
Deformed Steel Rebar Straight High Quality

Deformed Steel Rebar Straight High Quality

Ref Price:
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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Specifications

Standard

GB

HRB400

Diameter

6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,

22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length

6M, 9M,12M or as required

Place of origin

Hebei, China mainland

Advantages

exact size, regular package, chemical and   mechanical properties are stable.

Type

Hot rolled deformed steel bar

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

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

 

Usage and 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..

Packaging & Delivery

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment term: TT or L/C

Delivery Detail: within 45 days after received advanced payment or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

Note

 

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

 

2. Other Grade and Standard Deformed Steel Bar we can supply:

 

Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

 

Standard: ASTM, BS, DIN

 

The Minimum Order Quantity of these products is high, and need to be confirmed.

 

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

 

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

 

Q:How do steel rebars affect the overall flexibility of concrete structures?
Steel rebars significantly enhance the overall flexibility of concrete structures. By reinforcing the concrete, rebars increase its resistance to tensile forces, which is crucial in preventing cracks and failures. This added flexibility ensures that the structure can withstand various external loads and environmental conditions without compromising its integrity.
Q:Can steel rebars be used in the construction of sports stadiums or arenas?
Yes, steel rebars can be used in the construction of sports stadiums or arenas. Steel rebars are a commonly used reinforcement material in concrete structures, including stadiums and arenas. They provide strength, durability, and structural integrity to the concrete, making them suitable for the demanding requirements of sports facilities.
Q:How do steel rebars affect the overall construction cost of commercial buildings?
Steel rebars can significantly affect the overall construction cost of commercial buildings. Firstly, steel rebars are an essential component in reinforcing the concrete structure of the building, enhancing its strength and durability. However, the cost of steel rebars can be quite high, especially when constructing large-scale commercial buildings that require a substantial amount of reinforcement. This cost includes the purchase, transportation, and installation of steel rebars, all of which contribute to the overall construction expenses. Therefore, the quantity and quality of steel rebars used directly impact the total construction cost of commercial buildings.
Q:Can steel rebars be used in coastal areas?
Yes, steel rebars can be used in coastal areas. However, it is important to consider the potential impact of corrosion due to the saltwater and high humidity present in these environments. To mitigate this risk, stainless steel rebars or epoxy-coated rebars can be used, as they offer better resistance to corrosion. These alternative options provide a protective layer that prevents the steel from coming into direct contact with the corrosive elements. Additionally, proper maintenance and periodic inspection of the rebars are crucial in coastal areas to ensure their long-term durability and structural integrity.
Q:What are the different types of steel rebars used in marine construction?
The different types of steel rebars used in marine construction include epoxy-coated rebars, stainless steel rebars, and galvanized rebars. Epoxy-coated rebars are commonly used in marine environments due to their corrosion resistance properties. Stainless steel rebars are also used for their excellent corrosion resistance and strength. Galvanized rebars, which are coated with a layer of zinc, are another option for marine construction as they provide good protection against corrosion.
Q:How do steel rebars help in reducing construction time?
Steel rebars help in reducing construction time in several ways: 1. Strength and durability: Steel rebars provide additional strength and durability to concrete structures, allowing for faster construction techniques. This means that builders can rely on the strength of rebars to support the weight of the structure, reducing the need for slower and more time-consuming construction methods. 2. Reinforcement: By reinforcing concrete with steel rebars, the overall structural integrity of the building is enhanced. This enables builders to use thinner concrete sections without compromising the strength of the structure. Thinner sections require less material and are quicker and easier to pour and cure, saving construction time. 3. Speed of installation: Steel rebars are easy to handle and install, which speeds up the construction process. They can be easily cut and bent to fit the desired shape and size, allowing for efficient installation. This eliminates the need for complex and time-consuming formwork, reducing construction time. 4. Flexibility: Steel rebars offer flexibility in design and construction, allowing for innovative and efficient building techniques. They can be used in various applications, such as beams, columns, and slabs, giving architects and engineers the freedom to design structures that can be constructed quickly and efficiently. 5. Resistance to natural disasters: Steel rebars provide added resistance to seismic activity and other natural disasters. By reinforcing concrete with rebars, structures become more resilient, reducing the risk of damage and accelerating the construction process. This is particularly important in areas prone to earthquakes or extreme weather conditions. Overall, steel rebars play a crucial role in reducing construction time by providing strength, durability, and flexibility. Their ease of installation, coupled with their ability to reinforce concrete structures, allows for faster construction methods and efficient use of materials.
Q:What is the difference between three - grade steel and other grades?
Because of the difference of chemical composition and ultimate strength of steel bars, they are different in toughness, cold bending, fatigue resistance and so on.
Q:Can steel rebars be used in airport runway construction?
Yes, steel rebars can be used in airport runway construction. Steel rebars are commonly used in the construction of concrete structures, including airport runways, due to their high tensile strength and durability. They provide reinforcement to the concrete, enhancing its structural integrity and ensuring the runway can withstand heavy aircraft loads and repetitive impacts.
Q:What are the guidelines for repairing or replacing corroded steel rebars in existing structures?
The severity of corrosion and project-specific requirements determine the guidelines for repairing or replacing corroded steel rebars in existing structures. However, there are some general guidelines that can be followed: 1. Before proceeding with any repairs or replacements, conduct a thorough assessment of the corrosion damage. This may involve visual inspections, non-destructive testing, or laboratory analysis of samples taken from the rebars. 2. Always prioritize safety when working with corroded rebars. Take adequate precautions to ensure the safety of workers and surrounding areas. This may include using personal protective equipment and creating a stable work environment. 3. Determine the extent of corrosion and its impact on the structural integrity of the rebars. This will help determine whether repair or replacement is necessary. 4. Use various repair methods depending on the severity of corrosion. These methods may include removing the corroded portion of the rebar and applying a corrosion inhibitor or protective coating. Electrochemical techniques such as cathodic protection can also be used to prevent further corrosion. 5. If repair is not feasible due to extensive corrosion damage, consider replacing the corroded rebars. The replacement rebars should be of the same or higher grade and properly anchored to maintain the structural integrity of the existing structure. 6. Consider the design requirements of the structure when repairing or replacing corroded rebars. The repaired or replaced rebars should meet the necessary load-bearing capacity and be properly integrated into the existing structure. 7. Implement rigorous quality control measures throughout the repair or replacement process to ensure the effectiveness and durability of the repairs. This may include regular inspections, testing, and monitoring of the repaired or replaced rebars. It is important to note that these guidelines are general recommendations and should be customized to the specific circumstances and requirements of each project. Therefore, it is advisable to consult with a structural engineer or a professional experienced in repairing corroded steel rebars for a more accurate and detailed guideline.
Q:What are the guidelines for proper splicing of steel rebars in concrete structures?
The guidelines for proper splicing of steel rebars in concrete structures are essential to ensure the structural integrity and safety of the building. Here are some key guidelines to follow: 1. Length of Lap Splicing: The length of lap splicing refers to the overlapping distance between two rebars. It is crucial to follow the specified length mentioned in the design plans or structural codes. Typically, the minimum lap length for rebars is specified as a certain multiple of their diameter, such as 40 times the diameter for tension members and 25 times the diameter for compression members. 2. Cleanliness: Before splicing the rebars, the surfaces of the bars must be cleaned thoroughly to remove any rust, scale, dirt, or other contaminants. Proper cleaning ensures a strong bond between the bars during the splicing process. 3. Proper Alignment: The rebars being spliced should be properly aligned to maintain the continuity of the reinforcement. Misalignment can lead to stress concentration, weakening the overall structure. The bars should be aligned in a straight line, ensuring that they are parallel and evenly spaced. 4. Splice Type: There are various types of splice connections available, such as lap splicing, mechanical splicing, and welded splicing. The choice of splice type should be based on the specific project requirements, structural design, and local building codes. 5. Reinforcement Bar Preparation: The rebars need to be prepared before splicing by removing any scale, rust, or other contaminants. This can be done through brushing, grinding, or shot blasting. Additionally, the ends of the rebars should be clean and free of any deformations or irregularities. 6. Testing and Inspection: It is crucial to conduct regular testing and inspection to ensure the quality and integrity of the spliced rebars. Non-destructive testing methods, such as ultrasound or magnetic particle testing, can be employed to check the bond strength and ensure the splicing has been done correctly. 7. Adequate Cover: The spliced rebars must have adequate concrete cover to protect them from corrosion and fire. The thickness of concrete cover should comply with the local building codes and design specifications. 8. Proper Grouting: If mechanical splices are used, it is important to ensure proper grouting or filling of the splice sleeve or coupler with an approved non-shrink grout. This helps in achieving full load transfer and prevents any movement or slippage of the rebars. 9. Documentation: All splicing activities should be properly documented, including the type of splice used, lap lengths, inspection reports, and any deviations from the original design. This documentation is important for future reference, maintenance, and to ensure compliance with regulatory agencies. It is important to note that these guidelines are general recommendations, and specific project requirements and local building codes should always be followed for proper splicing of steel rebars in concrete structures. Consulting with a qualified structural engineer or following the advice of a reputable construction professional is crucial to ensure the highest standards of safety and compliance.

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