Good quality deformed bars with grade HRB400

Good quality deformed bars with grade HRB400 System 1

Good quality deformed bars with grade HRB400

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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

Good quality deformed bars with grade HRB400

*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: How are steel rebars protected during the concrete pouring process?: Steel rebars are typically protected during the concrete pouring process through the use of a protective coating, such as epoxy or zinc, which helps prevent corrosion and maintain their structural integrity. Additionally, proper concrete mix design and placement techniques are employed to ensure that rebars are adequately surrounded and encased in concrete, providing further protection against environmental factors.

Q: Can steel rebars be used in modular bridge construction?: Yes, steel rebars can be used in modular bridge construction. Steel rebars, also known as reinforcing bars, are commonly used in bridge construction to provide reinforcement and strength to the concrete elements. In modular bridge construction, precast concrete elements are used to assemble the bridge components off-site, and steel rebars are embedded within these elements to enhance their structural integrity. The use of steel rebars in modular bridge construction allows for a more efficient and cost-effective construction process. The precast elements can be manufactured in a controlled environment, ensuring high-quality and consistent production. The steel rebars are accurately placed within the elements during the manufacturing process, ensuring proper reinforcement, and eliminating the need for on-site rebar installation. Additionally, steel rebars provide the necessary strength to withstand the loads and stresses that bridges are subjected to. They help in distributing the load evenly and preventing cracking or failure of the concrete elements. The use of steel rebars in modular bridge construction ensures the durability and longevity of the bridge structure. Moreover, steel rebars can be easily integrated into the modular bridge design, allowing for flexibility and customization. Different sizes and configurations of rebars can be used based on the specific requirements of the bridge project, ensuring optimal structural performance. In conclusion, steel rebars are widely used in modular bridge construction as they provide reinforcement, strength, and durability to the precast concrete elements. Their use ensures a cost-effective and efficient construction process while maintaining the structural integrity of the bridge.

Q: How do steel rebars enhance the bond between concrete and reinforcement?: Steel rebars enhance the bond between concrete and reinforcement by providing a mechanical interlock between the two materials. The ribs on the surface of rebars increase the surface area, allowing for greater adhesion and friction between the concrete and steel. This increased bond strength helps to transfer loads and stresses between the concrete and reinforcement, making the structure more durable and resistant to cracking or failure.

Q: What are the different methods of connecting steel rebars?: There are various methods of connecting steel rebars, including lap splicing, mechanical splicing, and welding. Lap splicing involves overlapping the rebars and securing them with wire or tie bars. Mechanical splicing utilizes couplers or threaded sleeves to connect the rebars. Welding involves melting the rebars together to form a strong bond. Each method has its advantages and suitability depending on the specific requirements of the construction project.

Q: What is the role of steel rebars in pile foundation construction?: Steel rebars play a crucial role in pile foundation construction. Pile foundations are used to transfer the load of a structure to deeper layers of soil or rock, ensuring stability and preventing settlement. In this process, steel rebars are used to reinforce the concrete piles, enhancing their strength and durability. The main function of steel rebars in pile foundation construction is to provide tensile strength to the concrete. While concrete is strong in compression, it is weak in tension. By placing steel rebars within the concrete, the resulting combination creates a reinforced structure that can withstand both compression and tension forces. Steel rebars also help to prevent cracking and provide structural integrity to the piles. As the piles are subjected to various loads, including vertical and lateral forces, the rebars help distribute these loads evenly and prevent the concrete from cracking or failing under stress. This ensures the stability and longevity of the pile foundation. Furthermore, steel rebars help to improve the overall performance of the piles. They increase the overall load-carrying capacity of the foundation, allowing it to support heavier structures or loads. The rebars also enhance the resistance of the piles to various external factors such as earthquakes, wind loads, and soil movement. In summary, the role of steel rebars in pile foundation construction is to provide tensile strength, prevent cracking, and enhance the overall performance and durability of the foundation. The use of steel rebars ensures that the pile foundation can effectively transfer loads and maintain stability, making it an essential component in the construction of strong and reliable structures.

Q: Are there any specific guidelines for storing steel rebars on-site?: Yes, there are specific guidelines for storing steel rebars on-site. Here are some key guidelines to consider: 1. Rebars should be stored on a flat, level surface to prevent distortion or bending. If the ground is not level, use wooden pallets or metal racks to create a stable storage area. 2. Ensure that the storage area is clean and free from any debris that could damage the rebars. Avoid storing rebars directly on the ground or in areas prone to water accumulation. 3. Proper stacking is important to prevent rebars from toppling over. Stack rebars in an orderly manner, making sure to align them vertically and horizontally. Use spacers or separators to maintain adequate spacing between the rebars and prevent them from touching each other. 4. If rebars are stored outdoors, cover them with a waterproof tarp or plastic sheeting to protect them from rain, snow, and moisture. This will help prevent rust and corrosion. 5. If rebars are stored indoors, ensure that the storage area has proper ventilation to prevent moisture buildup. This is particularly important to prevent rusting in humid environments. 6. Rebars should be stored away from any potential sources of damage, such as heavy machinery, construction equipment, or areas with high traffic. This will minimize the risk of accidental damage during construction activities. 7. Regularly inspect the rebars for any signs of damage, rust, or corrosion. If any rebars are found to be damaged, they should be removed from storage and replaced to ensure structural integrity in the construction project. Following these guidelines will help ensure that steel rebars are stored safely and maintain their structural integrity for use in construction projects.

Q: What is the lifespan of steel rebars in a concrete structure?: The lifespan of steel rebars in a concrete structure can vary depending on several factors such as the quality of the steel, environmental conditions, and maintenance. However, in general, steel rebars are designed to provide long-term durability and can typically last for several decades or even more in a properly constructed and maintained concrete structure.

Q: Can steel rebars be used for both residential and commercial construction?: Yes, steel rebars can be used for both residential and commercial construction. Steel rebars are commonly used to reinforce concrete structures, such as foundations, walls, and beams, in a wide range of construction projects, including both residential and commercial buildings. The use of steel rebars provides strength and durability to the concrete, ensuring the integrity of the structure in both types of construction.

Q: Can steel rebars be used in high-strength concrete?: Indeed, steel rebars have the capability of being utilized in high-strength concrete. In reality, steel rebars are commonly employed to reinforce concrete structures, regardless of the concrete's strength. High-strength concrete pertains to a type of concrete that possesses a significantly higher compressive strength when compared to conventional concrete. Its compressive strength typically exceeds 6,000 psi (pounds per square inch). The presence of steel rebars in high-strength concrete is essential as they provide the necessary tensile strength. Although concrete exhibits commendable compressive strength, its tensile strength is relatively feeble. By incorporating steel rebars into the concrete, the composite material becomes more robust and durable. The rebars act as reinforcement, effectively resisting the tensile forces and averting cracks or structural failure. Nevertheless, it is crucial to emphasize the importance of selecting the appropriate steel rebar for high-strength concrete. The rebars employed must possess adequate strength and ductility to endure the elevated stresses and strains associated with high-strength concrete. Moreover, proper placement, spacing, and anchorage of the rebars are vital to ensure effective reinforcement and optimal performance of the concrete structure. In summary, it is undeniable that steel rebars can certainly be utilized in high-strength concrete to augment its tensile strength and overall structural integrity.

Q: How do steel rebars affect the overall constructability of concrete structures?: Steel rebars play a crucial role in enhancing the constructability of concrete structures. These reinforcing bars provide strength and stability to the concrete, increasing its load-bearing capacity and resistance to tension and bending forces. By reinforcing the concrete, rebars ensure that the structure can withstand the applied loads and prevent cracking or failure. Additionally, rebars help to control the formation and propagation of cracks, improving the overall durability and lifespan of the concrete structure.

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