HRB400 Deformed Steel Bar,Reinforced Deformed Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
--
Length:
--
Net Weight:
--
Product Description:
Specifications of HRB400 Deformed Steel Bar,Reinforced Deformed Steel Bar
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 of HRB400 Deformed Steel Bar,Reinforced Deformed Steel Bar
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 of HRB400 Deformed Steel Bar,Reinforced 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,Reinforced 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
Images of HRB400 Deformed Steel Bar,Reinforced Deformed Steel Bar
- Q:How do steel rebars contribute to the durability of concrete?
- Steel rebars contribute to the durability of concrete in several ways. Firstly, they provide reinforcement to the concrete structure, increasing its overall strength. The steel rebars act as a skeleton within the concrete, helping to distribute the load and resist the forces that act upon the structure. This reinforcement prevents cracking and enhances the structural integrity of the concrete. Secondly, steel rebars help to control the cracking of concrete. Concrete is prone to crack due to various factors such as shrinkage, temperature changes, and external loads. By incorporating steel rebars, the concrete is able to withstand these forces and prevent the cracks from spreading. This ensures that the concrete remains intact and durable over time. Furthermore, steel rebars contribute to the durability of concrete by increasing its resistance to corrosion. Concrete is porous, and if exposed to moisture, it can lead to the corrosion of embedded steel. However, the presence of steel rebars, which are typically coated with materials that provide corrosion resistance, helps to protect against this issue. This extends the lifespan of the concrete structure and ensures its long-term durability. In summary, steel rebars play a crucial role in enhancing the durability of concrete by providing reinforcement, controlling cracking, and preventing corrosion. Their presence strengthens the overall structure, improves its resistance to external forces, and ensures the longevity of the concrete.
- Q:Do steel rebars have any specific markings or codes?
- Yes, steel rebars typically have specific markings or codes to indicate their size, type, and grade. These markings are essential for identifying and ensuring the correct usage of rebars in construction projects.
- Q:Can steel rebars be used in offshore oil rig construction?
- Yes, steel rebars can be used in offshore oil rig construction. Steel rebars are commonly used in the construction industry, including for offshore structures such as oil rigs. These rebars provide reinforcement to concrete structures, ensuring structural integrity and strength. In the offshore oil rig construction, steel rebars are typically embedded in concrete foundations, columns, and other structural elements to enhance their resistance to various forces such as wind, waves, and seismic activity. The use of steel rebars helps to ensure the durability and safety of offshore oil rigs, making them suitable for the demanding conditions of offshore environments.
- Q:How do steel rebars affect the load-bearing capacity of concrete structures?
- Steel rebars play a crucial role in enhancing the load-bearing capacity of concrete structures. They are embedded within the concrete to provide tensile strength, as concrete is weak in tension. By reinforcing the concrete, rebars help to distribute and bear the applied loads, improving the overall structural performance. The presence of steel rebars in concrete structures helps to resist cracking and prevent structural failure under various load conditions. When a load is applied to a concrete structure, such as a beam or a column, the rebars absorb the tensile forces generated by the load. This prevents the concrete from cracking and ensures that the structure remains intact and stable. Moreover, the rebars also enhance the flexural strength of concrete structures. Flexural strength refers to the ability of a material to withstand bending forces. By reinforcing the concrete with rebars, the structure becomes more resistant to bending and can bear heavier loads without experiencing excessive deflection or failure. In addition to improving tensile and flexural strength, steel rebars also enhance the shear strength of concrete structures. Shear strength refers to the ability of a material to resist forces that cause one layer of the material to slide relative to another layer. By providing additional reinforcement, rebars strengthen the concrete against shear forces, making the structure more resistant to lateral loads and preventing shear failure. Overall, steel rebars significantly enhance the load-bearing capacity of concrete structures by providing tensile, flexural, and shear strength. Their presence enables concrete structures to withstand higher loads, increases their durability, and ensures their long-term structural integrity. Properly designed and installed rebars are essential for constructing safe and structurally sound concrete buildings, bridges, and other infrastructure projects.
- Q:What is the quality difference between round bar and screw steel?
- Different grades of steel (different chemical composition). Round steel (HPB235) is carbon steel, steel is Q235; thread steel is low alloy steel; HRB335 grade steel is 20MnSi (20 manganese silicon); HRB400 grade steel bars are 20MnSiV or 20MnSiNb or 20MnTi etc.;
- Q:Can steel rebars be used in structures with high vibrations?
- Yes, steel rebars can be used in structures with high vibrations. Steel rebars have excellent mechanical properties, including high tensile strength and durability, making them suitable for reinforcing structures that experience vibrations. Additionally, steel rebars provide stability and help to distribute the vibrations throughout the structure, reducing the risk of failure due to excessive movement.
- Q:How do steel rebars affect the overall weight of a construction project?
- The overall weight of a construction project can be significantly influenced by steel rebars. These rebars, commonly used to strengthen concrete structures like beams, columns, and foundations, enhance durability and strength. Due to the high-strength steel used in their production, steel rebars add considerable weight to the project. Various aspects of the construction project are affected by the weight of steel rebars. During the design phase, it is crucial to consider the total weight of the rebars to ensure that the structure can bear the additional load. This is especially important for constructing high-rise buildings or structures requiring substantial reinforcement. Transportation and logistics are also impacted by the weight of steel rebars. As these rebars are usually delivered to the construction site in large quantities, their weight influences the choice of transportation methods, such as trucks or cranes, and may necessitate special permits or equipment. Moreover, the weight of rebars increases transportation costs. Furthermore, the weight of the construction project has implications for foundation requirements. The heavier the structure, the stronger the foundation needs to be in order to adequately support and distribute the load. This may lead to the necessity of deeper or wider foundations, resulting in increased costs and construction time. Lastly, the weight of steel rebars affects the overall sustainability of the construction project. Steel production involves significant energy consumption and emissions, so the increased weight of rebars contributes to a higher carbon footprint. Therefore, it is crucial for construction projects to strike a balance between reinforcement needs and environmental considerations. In conclusion, the weight of steel rebars has a tangible impact on the overall weight of a construction project. It influences design, transportation, foundation requirements, and sustainability. Architects, engineers, and project managers must carefully assess the weight of steel rebars to ensure structural integrity and construction project efficiency.
- Q:What are the different types of steel rebars used in tunneling?
- There are typically two types of steel rebars used in tunneling: epoxy-coated rebars and stainless steel rebars. Epoxy-coated rebars are commonly used in tunneling projects to provide corrosion resistance and enhance durability. On the other hand, stainless steel rebars are used in situations where higher corrosion resistance is required, such as in highly acidic or alkaline environments.
- Q:What are the guidelines for splicing steel rebars in concrete?
- The guidelines for splicing steel rebars in concrete typically include ensuring proper alignment and overlap of rebar ends, using appropriate splice connectors, and following specific splice length requirements as specified by engineering codes and standards. It is important to follow manufacturer instructions and consult with a structural engineer to ensure the correct splicing technique is used for each specific project.
- Q:Can steel rebars be used in structures with high chemical resistance requirements?
- No, steel rebars cannot be used in structures with high chemical resistance requirements as they are susceptible to corrosion and deterioration when exposed to harsh chemicals.
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HRB400 Deformed Steel Bar,Reinforced Deformed Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 100000 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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