Hot Rolled Deformed bars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
OKorder is offering Deformed Steel Bar with high quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
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
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.
Product Applications:
Deformed Steel Bar with high quality are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Deformed Steel Bar with high quality are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
Product Specifications:
Standard | GB | HRB400 | |
Diameter | 10mm-32mm | ||
Length | 6M, 12M | ||
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:
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 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do you guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchasement?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but it is typically 7 to 10 workdays.
bdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Images:
- Q:What are the guidelines for the proper curing of concrete with steel rebars?
- The guidelines for the proper curing of concrete with steel rebars are as follows: 1. Moisture: Concrete needs to be kept moist during the curing process to ensure proper hydration and strength development. However, when curing concrete with steel rebars, it is important to prevent excessive moisture as it can cause corrosion and damage the steel. Therefore, a balance should be maintained in providing enough moisture without allowing standing water to accumulate around the rebars. 2. Covering: The steel rebars should be adequately covered with concrete during the pouring process to provide protection against corrosion. The cover thickness should be in accordance with the design specifications to ensure sufficient strength and durability. 3. Curing time: The curing time for concrete with steel rebars is typically longer than that of plain concrete. This is because the steel needs to bond with the concrete and achieve proper adhesion. The recommended curing period can vary depending on factors such as ambient temperature, humidity, and the specific type of steel used. It is important to refer to the project specifications or consult with a structural engineer to determine the appropriate curing time for the specific application. 4. Temperature control: During the curing process, temperature control is crucial to ensure uniform hydration and avoid thermal stress. Rapid temperature changes can cause cracking and compromise the integrity of the concrete. It is important to protect the concrete from extreme temperature variations and provide insulation or shading as necessary. 5. Protection from external elements: Concrete with steel rebars needs to be protected from external elements that may cause damage or corrosion. This includes protecting the concrete from exposure to chloride ions, carbonation, and chemicals. Appropriate surface coatings or sealants can be applied to provide an additional layer of protection. 6. Inspection and maintenance: Regular inspection and maintenance are essential to ensure the long-term durability of concrete with steel rebars. It is important to monitor for any signs of corrosion, cracking, or deterioration and take appropriate measures to address them promptly. This may include repairing damaged areas, applying protective coatings, or implementing corrosion prevention measures. Following these guidelines will help ensure the proper curing of concrete with steel rebars, resulting in a structurally sound and durable construction material that can withstand the test of time.
- Q:What is the maximum length of steel rebars that can be used in construction?
- The maximum length of steel rebars that can be used in construction depends on various factors such as the specific building codes and regulations in place, the structural requirements of the project, and the practical limitations in handling and transportation. In general, the length of steel rebars used in construction can range from a few feet to several meters. Common lengths for steel rebars typically range from 6 to 18 meters (20 to 60 feet). However, it is important to note that longer rebars may be available for specific applications or projects. It is crucial for engineers, architects, and contractors to consult the local building codes and regulations to determine the maximum allowable length of steel rebars for a particular construction project. These codes and regulations are designed to ensure structural integrity and safety in buildings and provide guidelines for the use of construction materials, including steel rebars.
- Q:How do steel rebars help in preventing cracks in concrete?
- Steel rebars help in preventing cracks in concrete by providing reinforcement and added strength to the structure. When concrete is poured, it is strong in compression but weak in tension. This means that it can withstand forces that push or compress it, but it is more susceptible to cracking under pulling or bending forces. Steel rebars are embedded within the concrete to counteract this weakness. The rebars act as a framework, distributing the tensile forces throughout the concrete, preventing cracks from forming and spreading. They reinforce the structure, making it more resistant to bending, shearing, and other external forces. Moreover, steel rebars help in preventing cracks by enhancing the overall structural integrity of the concrete. When concrete undergoes shrinkage during the drying and curing process, it tends to crack. However, with the presence of rebars, the tensile forces caused by shrinkage are absorbed by the steel, reducing or eliminating the formation of cracks. In addition, steel rebars can also prevent cracks in concrete by providing resistance against temperature changes and external loads. They help to control the expansion and contraction of the concrete due to temperature fluctuations, minimizing the risk of cracking. Furthermore, rebars reinforce the concrete against heavy loads, such as those caused by traffic or seismic activity, ensuring that the structure remains intact and crack-free. Overall, steel rebars play a crucial role in preventing cracks in concrete by reinforcing the material, distributing forces, absorbing tensile stresses, and enhancing structural integrity. Their presence significantly improves the durability and longevity of concrete structures, making them more resistant to cracking and ensuring their stability over time.
- Q:What is the process of joining steel rebars together?
- The process of joining steel rebars together is commonly known as rebar splicing or rebar connection. It is a crucial step in reinforcing concrete structures to ensure structural integrity and strength. There are several methods for joining steel rebars, each with its own advantages and suitability depending on the specific requirements of the project. Here are some common techniques: 1. Lap Splicing: This is the most traditional and widely used method. It involves overlapping two rebars and tying them together using wire or steel tie bars. The length of the overlap is usually specified by engineering codes and standards. 2. Mechanical Splicing: Mechanical splicing involves using specially designed couplers or connectors to join two rebars together. These couplers are typically threaded or tapered, allowing the rebars to be screwed or wedged into the connector. Mechanical splicing provides a more reliable and efficient connection compared to lap splicing. 3. Welding: In certain cases, rebars can be joined together through welding. This method involves heating the rebars to their melting point and fusing them together using an electric arc. Welded splices are typically used for large-scale construction projects where high strength and durability are required. 4. Compression Splicing: Compression splicing utilizes compression fittings or sleeves to join rebars together. The rebars are inserted into the sleeves, and then a hydraulic press is used to compress the fitting, creating a strong connection. Compression splicing is particularly useful when dealing with rebars of different sizes or in areas with limited space for lap splicing. The selection of the appropriate method for joining steel rebars depends on factors such as the structural design, load requirements, and construction constraints. It is important to consult with structural engineers and adhere to local building codes and regulations to ensure proper and safe execution of the rebar splicing process.
- Q:What are the different methods of joining steel rebars?
- There are several methods of joining steel rebars, each with its own advantages and disadvantages. Here are the most common methods: 1. Lap Splicing: This is the most common method of joining rebars. In lap splicing, two rebars are overlapped and tied together using wire or metal ties. This method is simple and cost-effective, but it requires longer lap lengths to achieve the required strength. 2. Mechanical Splicing: Mechanical splicing involves joining rebars using mechanical couplers or splices. These couplers are designed to provide a strong and reliable connection between the rebars. Mechanical splicing offers quicker installation and reduces the need for lap lengths. However, it may be more expensive than lap splicing. 3. Welding: Welding is another method of joining steel rebars. In this process, the rebars are heated and fused together using electric arcs or gas flames. Welding provides a strong and permanent connection, but it requires skilled labor and specialized equipment. It is commonly used in precast concrete applications. 4. Bolted Connections: Bolted connections involve using bolts and nuts to connect the rebars. This method provides a flexible and adjustable connection, making it suitable for certain applications. However, bolted connections require additional hardware and may not be as strong as other methods. 5. Adhesive Bonding: Adhesive bonding involves using epoxy or other adhesives to join rebars. The adhesive is applied to the rebars, and they are pressed together until the adhesive cures and forms a strong bond. Adhesive bonding offers a clean and aesthetically pleasing finish, but it may not be as strong as other methods and is more suitable for non-structural applications. It is important to note that the choice of joining method depends on factors such as the specific project requirements, structural design, and construction techniques. Consulting with structural engineers and following industry standards and codes is crucial to ensure the proper selection and implementation of the joining method for steel rebars.
- Q:Are there any disadvantages of using steel rebars?
- Yes, there are some disadvantages of using steel rebars. 1. Corrosion: One of the main disadvantages of steel rebars is their susceptibility to corrosion. When exposed to moisture and oxygen, steel rebars can rust over time, which weakens their structural integrity. This issue can be particularly problematic in coastal areas with high humidity levels or in structures exposed to harsh weather conditions. 2. Weight: Steel rebars are relatively heavy compared to other alternatives like fiberglass or carbon fiber reinforced polymers. This can pose challenges during transportation and installation, especially in large-scale construction projects where heavy machinery is required to move and position the rebars. 3. Cost: Steel rebars tend to be more expensive compared to other reinforcement materials, which can increase the overall cost of a construction project. Additionally, the price of steel is subject to market fluctuations, making it difficult to predict the exact budget for reinforcement materials. 4. Conductivity: Steel rebars are highly conductive to heat and electricity. This can be a disadvantage in structures that require insulation or in areas with high electrical conductivity requirements. In such cases, additional insulation or grounding measures may need to be implemented, adding extra complexity and cost to the construction process. 5. Environmental impact: Steel production is energy-intensive and contributes to greenhouse gas emissions. The extraction and processing of iron ore to manufacture steel rebars can have a significant environmental impact, including deforestation, habitat destruction, and air and water pollution. Despite these disadvantages, steel rebars remain widely used in construction due to their high tensile strength, durability, and proven track record in providing structural support. Additionally, advancements in corrosion-resistant coatings and the development of alternative reinforcement materials are continuously being explored to mitigate these drawbacks.
- Q:How do steel rebars contribute to the strength of a structure?
- Steel rebars contribute to the strength of a structure by reinforcing the concrete. The rebars act as a skeleton, providing tensile strength to counteract the concrete's weakness in tension. This reinforcement prevents cracks and structural failure, enhancing the overall strength and durability of the structure.
- Q:What are the guidelines for proper anchoring of steel rebars in concrete structures?
- For the structural integrity and stability of the construction, it is crucial to properly anchor steel rebars in concrete structures. Here are the guidelines for proper anchoring: 1. Embedment length: To ensure sufficient bond strength, the rebars should be embedded in the concrete for a specific length. The required embedment length depends on factors such as rebar diameter, concrete strength, and load conditions, as specified in the design. 2. Lap length: When joining two rebars, a minimum lap length is necessary for reinforcement continuity. The lap length is determined by the rebar diameter, concrete strength, and structural design requirements. 3. Concrete cover: To safeguard the rebars from corrosion and fire, adequate concrete cover should be provided. The concrete cover is the distance between the outer surface of the rebars and the nearest concrete surface. It depends on factors like environmental conditions, fire resistance requirements, and durability considerations. 4. Spacing and arrangement: The rebars should be appropriately spaced and arranged according to the structural design requirements. The spacing is determined by the structural load and design specifications. Inadequate spacing can compromise the structural strength by providing insufficient reinforcement. 5. Proper positioning: Accurate positioning of rebars is essential, following the design drawings and specifications. They should be placed in the concrete formwork before pouring to achieve the desired structural behavior. Incorrect positioning can result in misalignment or insufficient concrete cover. 6. Mechanical anchorage: Mechanical anchorage devices such as rebar couplers, anchor bolts, or hooks can be utilized to enhance rebar anchoring in concrete structures. These devices provide additional reinforcement and prevent slippage or pull-out of the rebars under load. 7. Quality control: Regular inspection and quality control measures should be implemented to ensure compliance with the anchoring guidelines. This includes checking rebar dimensions and spacing, embedment depth, concrete cover, and ensuring proper installation techniques. It is important to note that these guidelines may vary based on project requirements, local building codes, and design specifications. Therefore, consulting a structural engineer or referring to relevant building codes and standards is essential for specific guidelines applicable to each construction project.
- Q:Can steel rebars be used in the construction of underground parking structures?
- Steel rebars are an effective choice for constructing underground parking structures. They are commonly used in reinforced concrete structures, such as underground parking, to reinforce and provide tensile strength. The rebars are strategically placed within the concrete to enhance its load-bearing capacity, durability, and resistance to cracking or deformation. Steel rebars are ideal for underground parking structures that require strong structural support, thanks to their high strength and ability to withstand heavy loads. To further enhance their resistance to corrosion, protective coatings or stainless steel rebars can be applied, which is particularly important in underground environments with moisture and exposure to chemicals. Ultimately, the use of steel rebars is a standard practice in constructing underground parking structures to ensure long-lasting structural integrity.
- Q:How do steel rebars perform in seismic zones?
- Steel rebars perform well in seismic zones due to their high tensile strength and ductility. When subjected to seismic forces, rebars help to reinforce concrete structures and prevent them from collapsing or suffering significant damage. The flexibility and resilience of steel rebars allow them to absorb and dissipate seismic energy, reducing the impact on the overall structure. This makes steel rebars a crucial component in enhancing the seismic resistance of buildings and infrastructure in earthquake-prone areas.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
Hot Rolled Deformed bars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
