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
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Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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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: Are there any standards or codes for steel rebars?
- Yes, there are indeed standards and codes for steel rebars. These standards and codes are essential to ensure the quality, safety, and compatibility of steel rebars used in various construction projects. One of the most widely recognized standards for steel rebars is the ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement. This standard provides specific requirements for the physical and mechanical properties of steel rebars, such as chemical composition, yield strength, tensile strength, elongation, and bendability. It also includes guidelines for marking, packaging, and testing of rebars. In addition to ASTM A615/A615M, there are other relevant standards and codes used in different countries and regions. For example, in Europe, the European Standard EN 10080 - Steel for the Reinforcement of Concrete provides specifications for steel rebars, including dimensions, tolerances, and mechanical properties. Similarly, the British Standard BS 4449 - Steel for the Reinforcement of Concrete is widely used in the United Kingdom. These standards and codes not only ensure consistency in the manufacturing and production of steel rebars but also help architects, engineers, and construction professionals select the appropriate rebars for their projects. Compliance with these standards is crucial to guarantee the structural integrity, durability, and safety of reinforced concrete structures. It is important for stakeholders in the construction industry to be familiar with the relevant standards and codes for steel rebars and to consistently adhere to them. This helps to maintain high-quality construction practices and prevent potential failures or accidents due to substandard materials.
- Q: How much is the difference between the three grade thread steel and the two grade thread steel?
- This depends on the size of the local quantity, and some are relatively hot specifications, prices may be a lot worse, may also be more expensive than the three class 2, but generally about 200 difference bar
- Q: What is the maximum diameter of steel rebars available in the market?
- The maximum diameter of steel rebars available in the market can vary, but typically it ranges from 40mm to 50mm.
- Q: What are the factors that determine the spacing of steel rebars in a concrete structure?
- The spacing of steel rebars in a concrete structure is determined by several factors that ensure the structural integrity and strength of the concrete. These factors include: 1. Structural Design: The spacing of rebars is influenced by the structural design requirements and specifications of the concrete structure. Engineers consider the loads, stresses, and forces that the structure will experience and calculate the required reinforcement spacing accordingly. 2. Concrete Strength: The strength of the concrete being used in the structure is an essential factor in determining rebar spacing. Higher-strength concrete may require closer spacing of rebars to provide adequate reinforcement and prevent cracking or failure under load. 3. Rebar Diameter: The diameter of the steel rebars also plays a role in determining the spacing. Thicker or larger diameter rebars may require wider spacing, whereas thinner rebars typically require closer spacing to provide the desired reinforcement. 4. Bar Bending and Placing: The ease of bending and placing the rebars during construction is another important factor. The spacing is often determined by practical considerations, such as ensuring proper access for workers and equipment, and facilitating the concrete pouring process. 5. Environmental Factors: Environmental conditions, such as exposure to corrosive substances or extreme weather conditions, can influence the spacing of rebars. Closer spacing may be required in corrosive environments to provide additional protection against rust and deterioration. 6. Building Codes and Regulations: Building codes and regulations set by local authorities or relevant organizations also dictate the minimum requirements for rebar spacing in concrete structures. These codes ensure compliance with safety standards and provide guidelines for construction practices. Overall, the spacing of steel rebars in a concrete structure is a critical aspect of ensuring its strength, durability, and resilience. It is determined by a combination of structural design, concrete strength, rebar diameter, construction practicalities, environmental considerations, and adherence to building codes and regulations.
- Q: Can steel rebars be used in aggressive chemical environments?
- Steel rebars can be used in aggressive chemical environments to some extent. However, their performance may be compromised depending on the severity and nature of the chemicals present. Steel rebars are generally resistant to mild to moderate chemical exposures, such as those found in most construction applications. However, in highly aggressive chemical environments, where exposure to corrosive substances like acids, alkalis, or salts is prolonged and intense, steel rebars may corrode and deteriorate over time. In such cases, alternative materials like stainless steel rebars or epoxy-coated rebars may be more suitable, as they provide enhanced resistance to corrosion in aggressive chemical environments. It is important to consider the specific conditions of the chemical environment and consult with experts or structural engineers to determine the most appropriate rebar material for the given situation. Regular inspections and maintenance should also be conducted to monitor the condition of steel rebars and ensure their longevity in aggressive chemical environments.
- Q: What is the role of steel rebars in beam and column design?
- The role of steel rebars in beam and column design is to provide reinforcement and enhance the structural strength and stability of the concrete elements. Rebars are embedded within the concrete to resist tensile forces and prevent cracking or failure under heavy loads. By increasing the overall durability and load-bearing capacity, steel rebars ensure the structural integrity and longevity of beams and columns.
- Q: What are the typical costs associated with using steel rebars in a construction project?
- The typical costs associated with using steel rebars in a construction project can vary depending on several factors. These factors include the size and type of the rebar, the quantity needed, the market conditions, and the location of the project. The cost of steel rebars is usually determined per ton or per linear foot. The price per ton can range from $400 to $600, while the price per linear foot can be anywhere between $0.75 to $1.50. It is important to note that these prices are approximate and can fluctuate based on market demand and availability. Additionally, there may be additional costs involved in the procurement and handling of steel rebars. This can include transportation fees, storage costs, and any necessary equipment or tools required for installation. Other cost considerations may include labor expenses for cutting, bending, and placing the rebars, as well as any reinforcement detailing required by the project's design specifications. These costs can vary depending on the complexity of the project and the skill level of the laborers involved. It is also essential to factor in any potential wastage or scrap material that may occur during the construction process. Proper planning and accurate measurements can help minimize these costs. Overall, the typical costs associated with using steel rebars in a construction project can be significant, but they are necessary for ensuring structural integrity and reinforcement. It is advisable to obtain quotes from multiple suppliers and contractors to ensure competitive pricing and to carefully consider the specific requirements of the project before finalizing the budget.
- Q: What are the common defects found in steel rebars?
- There are several common defects that can be found in steel rebars. One common defect is surface cracks, which can occur during the manufacturing process or due to improper handling and storage. These cracks can compromise the strength and integrity of the rebars and may lead to failure under load. Another common defect is corrosion, which can occur when the rebars are exposed to moisture or chemicals. Corrosion can weaken the rebars and reduce their load-bearing capacity, making them more susceptible to failure. Bending and straightening defects are also frequently observed in steel rebars. Improper bending or straightening can lead to cracks, buckling, or uneven stress distribution, compromising the rebars' performance. Inadequate welding or improper lapping of rebars can result in poor connections and reduced structural integrity. Welding defects such as lack of fusion, incomplete penetration, or excessive porosity can weaken the rebars and increase the risk of failure. Dimensional defects, such as variations in diameter, length, or straightness, can affect the rebars' fit and compatibility with other structural components. If rebars are not properly aligned or do not meet the required dimensions, it can lead to reduced structural strength and compromised performance. Lastly, improper heat treatment during the manufacturing process can result in internal defects such as segregation, inclusions, or improper grain structure. These defects can weaken the rebars and make them more prone to fracture or failure under load. Overall, it is essential to carefully inspect steel rebars for these common defects to ensure the structural integrity and safety of the construction projects they are used in.
- Q: What are the different grades of steel rebars used in bridge construction?
- The different grades of steel rebars used in bridge construction vary depending on the specific requirements and design specifications of the bridge. Common grades include Grade 40, Grade 60, and Grade 75. These grades indicate the minimum yield strength of the steel rebar, with higher grades offering greater strength. The choice of grade depends on factors such as the anticipated loads, span length, and structural design of the bridge.
- Q: How do steel rebars impact the overall aesthetics of concrete structures?
- The overall aesthetics of concrete structures are greatly influenced by steel rebars. Concrete is known for its strength and durability, but it lacks the ability to resist bending or stretching forces. This is where steel rebars come in. By reinforcing concrete with steel rebars, the structural integrity of the concrete is greatly improved. This allows engineers and architects to design more complex and ambitious structures, such as high-rise buildings, bridges, and stadiums. The use of steel rebars provides the necessary strength and flexibility to withstand heavy loads, seismic activity, and other environmental forces. However, the presence of steel rebars can impact the appearance of the concrete structure. In some cases, especially in exposed concrete finishes, the visibility of steel rebars can be seen as a visual distraction or an undesirable element. The exposed steel rebars may create a grid-like pattern or a rusty appearance, which can be perceived as unattractive or out of harmony with the surrounding environment. To address this aesthetic impact, various techniques are employed. One common approach is to use concrete coverings or coatings to hide the steel rebars and create a smooth and uniform surface. These coverings not only improve the appearance but also protect against corrosion and prolong the lifespan of the structure. Another method is to use decorative techniques like formwork or molds to create unique patterns or textures on the concrete surface. This way, the steel rebars are concealed within the design, enhancing the overall aesthetic appeal of the structure. By incorporating architectural features such as curves or geometric shapes, the presence of steel rebars can be turned into a visual asset instead of a hindrance. It is important to note that in certain architectural styles, like Brutalism, the raw and exposed nature of concrete structures, including the visibility of steel rebars, is celebrated as an artistic expression. In these cases, the industrial and utilitarian aesthetic is embraced, and the steel rebars become an integral part of the overall design concept. In conclusion, steel rebars have a significant impact on the aesthetics of concrete structures. While their presence can sometimes hinder achieving the desired visual outcome, various techniques and design approaches can be used to either conceal or incorporate steel rebars into the overall architectural design, resulting in visually pleasing and structurally sound concrete structures.
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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
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