High quality hot rolled deformed bar 6mm-50mm ASTM ou BS4449

High quality hot rolled deformed bar 6mm-50mm ASTM ou BS4449 System 1

High quality hot rolled deformed bar 6mm-50mm ASTM ou BS4449

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000000 m.t./month

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Deformed Bar Details：

Product Description:

Specifications of HRB400 Deformed Steel Bar:

StandardGBHRB400Diameter6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,25mm,28mm,32mm,36mm,40mm,50mmLength6M, 9M,12M or as requiredPlace of originHebei, China mainlandAdvantagesexact size, regular package, chemical and mechanical properties are stable.TypeHot rolled deformed steel barBrand nameDRAGON

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

GradeTechnical data of the original chemical composition (%)CMnSiSPVHRB400≤0.25≤1.60≤0.80≤0.045≤0.0450.04-0.12Physical capabilityYield 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)628.270.2222.664850.270.3954.741078.540.6177.40412113.10.88810.65614153.91.2114.5216201.11.5818.9618254.52.002420314.22.4729.6422380.12.9835.7625490.93.8546.228615.84.8357.9632804.26.3175.723610187.9998.884012579.87118.4450196415.42185.04

Usage and Applications of HRB400 Deformed Steel Bar:

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 of HRB400 Deformed Steel Bar:

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

Steel Rebar / Deformed Bar / Reinforcing Bar

Q:Can steel rebars be used in the construction of dams or reservoirs?: Yes, steel rebars can be used in the construction of dams or reservoirs. Steel rebars provide structural reinforcement and enhance the strength and durability of concrete structures, making them suitable for large-scale projects like dams and reservoirs.

Q:What is the minimum yield strength of steel rebars?: The minimum yield strength of steel rebars typically varies depending on the type and grade of steel being used. However, in general, the minimum yield strength of steel rebars is commonly around 400 megapascals (MPa) or 58,000 pounds per square inch (psi).

Q:Can steel rebars be used in the construction of educational institutions?: Yes, steel rebars can be used in the construction of educational institutions. Steel rebars are commonly used in reinforced concrete structures to provide strength and durability. They help reinforce and support concrete, making it suitable for various construction projects, including educational institutions. The use of steel rebars ensures the structural integrity of buildings, allowing them to withstand the test of time and provide a safe learning environment for students and faculty.

Q:What is the tensile strength of different grades of steel rebars?: The tensile strength of different grades of steel rebars varies depending on the specific grade. Common grades include Grade 40, Grade 60, and Grade 75. Grade 40 steel rebars typically have a tensile strength of 40,000 pounds per square inch (psi), Grade 60 rebars have a tensile strength of 60,000 psi, and Grade 75 rebars have a tensile strength of 75,000 psi. It is important to consult the specific grade requirements for any construction project to ensure the appropriate strength is used.

Q:How do steel rebars contribute to the ductility of a structure?: Steel rebars contribute to the ductility of a structure by providing reinforcement and increasing its ability to withstand deformation without breaking. The rebars act as a skeleton within the concrete, allowing it to flex and absorb stresses, making the structure more resilient to external forces such as earthquakes or high winds.

Q:What are the different sizes of steel rebars available in the market?: The different sizes of steel rebars available in the market vary depending on the specific requirements of construction projects. Common sizes range from #3 (10mm) to #18 (57mm) in diameter, with various lengths available as well. These sizes are standardized and widely used in the industry to ensure structural integrity and compatibility with reinforced concrete applications.

Q:How do steel rebars affect the crack width in reinforced concrete?: Steel rebars can help to control and limit crack width in reinforced concrete structures. The presence of rebars provides reinforcement and increases the tensile strength of the concrete. This enhanced strength helps to distribute and redistribute the stresses caused by loads, reducing the likelihood and width of cracks forming in the concrete. Additionally, the rebars act as a barrier, preventing cracks from propagating and limiting their width.

Q:How do steel rebars affect the aesthetics of a construction project?: Steel rebars, an essential element of reinforced concrete structures, have a significant influence on the aesthetics of construction projects. Although their primary purpose is to provide strength and reinforcement to concrete, their presence can have an impact on the overall appearance of the project. The visibility of steel rebars is one way they affect aesthetics. In infrastructure projects like bridges or parking garages, it is common to leave rebars exposed during construction. This exposure can create a distinct industrial or modern look that some find aesthetically pleasing. Architects and designers may intentionally embrace this raw and utilitarian appearance to achieve a specific aesthetic vision. However, in many architectural projects, particularly those involving residential or commercial buildings, the visibility of steel rebars is often undesirable. In such cases, rebars are typically concealed within the structure and covered with finishes such as concrete, plaster, or decorative cladding. This approach enhances the aesthetics of the construction project by shifting the focus from structural elements to the overall design and finishes. Furthermore, the placement and arrangement of rebars can also impact aesthetics. In intricate architectural designs, rebars must be precisely positioned to ensure the desired structural integrity. This presents challenges for designers as they strive to achieve functionality and visual appeal. However, with careful planning and coordination, rebars can be strategically placed to minimize their visual impact while maintaining the desired aesthetics of the project. It is important to note that aesthetics should never compromise the safety and structural integrity of a construction project. While efforts can be made to conceal or minimize the visual impact of steel rebars, proper installation and adherence to engineering standards must always take priority. Ultimately, the aesthetic impact of steel rebars on a construction project depends on the design intent, architectural style, and the balance between functionality and visual appeal.

Q:What are the standard sizes for steel rebars?: Steel rebars come in various standard sizes, which depend on both the country and industry standards. However, there are some commonly used sizes for steel rebars, such as #3, #4, #5, #6, #7, #8, #9, #10, #11, #14, and #18. These numbers correspond to the diameter of the rebar in inches. For instance, a #3 rebar has a diameter of 3/8 inch, while a #18 rebar has a diameter of 2 1/4 inches. It is worth noting that different countries may employ their own unique sizing systems. Therefore, it is always essential to refer to the local building codes and standards to obtain accurate information regarding steel rebar sizes.

Q:Two grade steel and three grade steel difference, the construction of the use of thread steel in general how to use the level?: The corresponding plasticity is a little worse. In the past, most of the rebar on the site was made of two grade steel. In the past few years, the country adjusted the standard brick, and gradually used three or even four steel. Two grade steel has been gradually withdrawn from the market, many large steel mills have not been produced

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