HRB400 deformed bars with competitive price good quality

HRB400 deformed bars with competitive price good quality System 1

HRB400 deformed bars with competitive price good quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

Specifications of HRB400 Deformed Steel Bar:

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: (Please kindly find our chemistry of our material based on HRB400 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

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

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

HRB400 deformed bars with competitive price good quality

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q: Can steel rebars be used in seismic-resistant construction?: Yes, steel rebars can be used in seismic-resistant construction. Steel rebars provide strength and flexibility to reinforced concrete structures, making them more capable of withstanding seismic forces. They help distribute the energy generated during an earthquake, reducing the chances of structural failure and ensuring the safety of the building and its occupants.

Q: How are steel rebars used in elevator shafts?: Steel rebars are used in elevator shafts to reinforce the concrete structure and provide strength and stability. They are embedded within the concrete walls to prevent cracking or collapsing, ensuring the safety and durability of the elevator shaft.

Q: What are the design considerations for using steel rebars in construction?: Some important design considerations for using steel rebars in construction include the required strength and load-bearing capacity, corrosion resistance, compatibility with other construction materials, durability, and ease of installation. Steel rebars should be chosen based on their appropriate diameter, grade, and spacing to ensure structural integrity and safety. Additionally, proper detailing and placement of rebars are essential to ensure that they are effectively embedded within concrete and can withstand the anticipated stresses and forces during construction and throughout the lifespan of the structure.

Q: What is the recommended spacing between horizontal steel rebars in beams?: The recommended spacing between horizontal steel rebars in beams typically depends on various factors such as the design requirements, load conditions, and the size of the beam. Generally, the spacing between rebars in beams ranges from 2 to 6 inches. However, it is crucial to consult with a structural engineer or refer to the applicable building codes and standards to determine the specific recommended spacing for a particular beam design.

Q: How do steel rebars improve the flexural strength of concrete?: Steel rebars improve the flexural strength of concrete by providing tensile strength, which is typically lacking in concrete. The rebars act as reinforcement, absorbing the tension forces that occur when the concrete is subjected to bending or flexing. This combination of concrete and steel rebars creates a composite material that is stronger and more resistant to cracking or breaking under flexural loads.

Q: Can steel rebars be used in structures with heavy snow loads?: Yes, steel rebars can be used in structures with heavy snow loads. Steel rebars are commonly used in construction to reinforce concrete structures and provide additional strength. When designing structures in areas with heavy snow loads, engineers take into consideration the weight of the snow and ensure that the structure is designed to handle the additional load. Steel rebars are capable of withstanding heavy loads and can be used to reinforce the concrete in a structure, making it more resistant to the forces imposed by the snow. Additionally, steel rebars can also help distribute the load more evenly throughout the structure, reducing the risk of failure or collapse. However, it is important to consult with a structural engineer or a professional who is knowledgeable about local building codes and regulations to ensure that the structure is properly designed and built to withstand the specific snow load requirements in the area.

Q: How are steel rebars transported to the construction site?: Steel rebars, also known as reinforcing bars, are typically transported to construction sites using various methods. One common method is by truck transportation. The rebars are loaded onto flatbed trucks or trailers and secured using straps or chains to prevent any movement during transit. These trucks are specifically designed with sturdy frames and loading mechanisms to handle the weight and length of the rebars. Another method is by rail transportation. Steel rebars can be loaded onto rail cars, either on flatcars or in specialized containers, and transported to the construction site. This method is often used for long-distance transportation, as it is more cost-effective and efficient for large quantities of rebars. In some cases, rebars can also be transported by sea or barge for construction projects located near waterways. They are loaded onto ships or barges and secured to prevent any damage or movement during transit. This method is commonly used for projects that require large quantities of rebars or for construction sites located on islands or in coastal areas. Once the steel rebars arrive at the construction site, they are typically unloaded using cranes or forklifts. The rebars are then stored in designated areas or directly used for reinforcement in the construction process. It is essential to handle the transportation of rebars with care to ensure their structural integrity and prevent any potential accidents or damage during transit.

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: How are steel rebars different from steel mesh?: Steel rebars and steel mesh are both made from steel, but they differ in their shape and purpose. Steel rebars are long, cylindrical bars with ridges or deformations along their surface, designed to provide strength and reinforcement to concrete structures. They are typically used in construction projects to increase the tensile strength of concrete and prevent cracking or collapsing. On the other hand, steel mesh consists of interconnected wires that form a grid-like pattern. It is primarily used as a reinforcing material in areas that require a large amount of coverage, such as slabs, walls, or foundations. Steel mesh provides structural support and helps distribute load evenly, reinforcing the concrete against potential stresses. In summary, while both steel rebars and steel mesh serve the purpose of reinforcing concrete, they differ in shape and application.

Q: How are steel rebars bent during construction?: Steel rebars are bent during construction using specialized tools and equipment. The process involves several steps to ensure the rebars are bent accurately and to the required specifications. First, the rebars are selected based on the design and structural requirements of the project. The rebars are typically made of carbon steel and come in various sizes and lengths. They are usually straight and need to be bent according to the specific shape and dimensions required for the construction. To bend the rebars, construction workers use a bending machine or a hydraulic bender. These machines have a set of rollers or dies that apply pressure to the rebar, bending it into the desired shape. The machine is adjusted to the required angle and radius of the bend. Before bending, the rebars are marked with measurements and reference points to ensure accuracy. The operator places the rebar into the bending machine, aligning it with the reference points. The machine is then activated, and the rollers or dies apply force to the rebar, gradually bending it to the desired shape. For complex bends or shapes, multiple bends may be required. In such cases, the rebar is bent incrementally, with the operator adjusting the machine after each bend to achieve the desired shape. It is important to note that rebars have specific bending limits to prevent them from breaking or losing their structural integrity. Construction workers must adhere to these limits and ensure that the rebars are not over-bent, as it could compromise the strength and safety of the structure. Overall, the process of bending steel rebars during construction involves using specialized equipment, careful measurements, and skilled operators to achieve the required shapes and dimensions for the project.

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