Deformed bars in Grade HRB400/500 with Best Quality

Deformed bars in Grade HRB400/500 with Best Quality System 1

Deformed bars in Grade HRB400/500 with Best 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	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
Brand name	DRAGON

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 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)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

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

Q: How are steel rebars bent or shaped to fit specific construction requirements?: Steel rebars are bent or shaped to fit specific construction requirements using various methods such as manual bending, mechanical bending machines, or hydraulic bending machines. These techniques involve applying force to the rebar, which causes it to bend or take on a desired shape. The specific method used depends on the complexity of the required shape and the quantity of rebars needed.

Q: Can steel rebars be used in architectural applications?: Yes, steel rebars can be used in architectural applications. They are commonly utilized in reinforced concrete structures to provide strength, durability, and structural integrity. Steel rebars are frequently used in architectural designs to reinforce beams, columns, slabs, and other elements, ensuring the stability and longevity of the building.

Q: Can steel rebars be used in the construction of museums and cultural centers?: Yes, steel rebars can be used in the construction of museums and cultural centers. Steel rebars provide structural reinforcement and are commonly used in concrete construction. They help to strengthen the concrete and enhance its durability, making them suitable for the construction of buildings that require long-term stability and protection of valuable artifacts or cultural exhibits.

Q: Can steel rebars be used in solar power plant construction?: Yes, steel rebars can be used in solar power plant construction. Steel rebars are commonly used as reinforcement in concrete structures, including the foundations and structural components of solar power plants. They provide strength, durability, and stability to the construction, ensuring the long-term performance and safety of the solar power plant.

Q: What are the different types of steel rebars available for different applications?: There are several different types of steel rebars available for various applications. Some of the most commonly used types include: 1. Mild Steel Rebars: These are the most common type of rebars used in construction projects. They have a low carbon content and are relatively inexpensive. Mild steel rebars are suitable for general construction purposes and are used in residential buildings, bridges, and small to medium-sized structures. 2. High-strength Reinforcement Bars (HSRB): These rebars have a higher tensile strength compared to mild steel rebars. They are commonly used in high-rise buildings, large infrastructure projects, and heavy-duty structures where greater strength is required. HSRB rebars are often made from alloys such as carbon, manganese, or silicon to enhance their strength. 3. Epoxy-Coated Rebars: These rebars are coated with epoxy resin to protect them from corrosion. Epoxy-coated rebars are commonly used in marine structures, parking garages, and areas with high humidity or exposure to moisture. The epoxy coating acts as a barrier, preventing the steel from coming into contact with corrosive elements, thus extending the lifespan of the rebar. 4. Stainless Steel Rebars: Unlike mild steel rebars, stainless steel rebars contain a significant amount of chromium, which provides excellent resistance to corrosion. These rebars are often utilized in highly corrosive environments such as coastal areas, chemical plants, and wastewater treatment facilities. Stainless steel rebars are also used in structures that require a high aesthetic appeal, such as architectural buildings and monuments. 5. Galvanized Rebars: Galvanized rebars are coated with zinc to protect them from corrosion. The zinc coating acts as a sacrificial layer, corroding itself before the underlying steel is affected. These rebars are commonly used in areas with moderate corrosion risks, such as concrete structures exposed to deicing salts or in coastal regions. 6. Carbon Fiber Reinforced Polymer (CFRP) Rebars: CFRP rebars are made of carbon fibers embedded in a polymer matrix. They are lightweight, corrosion-resistant, and have high tensile strength. CFRP rebars are commonly used in retrofitting existing structures, as they provide excellent strength and durability without adding significant weight. The choice of steel rebar depends on the specific application, environmental conditions, and structural requirements. It is essential to consult with structural engineers and adhere to local building codes and standards to ensure the appropriate type of rebar is selected for each project.

Q: What are the advantages of using composite steel rebars?: There are several advantages of using composite steel rebars. Firstly, composite steel rebars offer higher tensile strength compared to traditional steel rebars, making them more durable and resistant to deformation. Secondly, they have a lower coefficient of thermal expansion, reducing the risk of cracking and improving long-term performance. Additionally, composite steel rebars are corrosion-resistant, ensuring a longer lifespan and lower maintenance costs. Furthermore, these rebars are lighter in weight, making them easier to handle and transport. Lastly, composite steel rebars can be easily fabricated and installed, allowing for greater design flexibility and faster construction.

Q: What is the lifespan of steel rebars in different environments?: The lifespan of steel rebars can vary depending on the environment in which they are used. In general, steel rebars have a long lifespan and are highly durable materials. However, different environmental conditions can affect their longevity. In a dry and non-corrosive environment, such as indoors or in a well-maintained building, steel rebars can last for several decades and sometimes even longer. The absence of moisture and corrosive agents helps to preserve the integrity of the steel, minimizing the risk of deterioration. In a marine or coastal environment, where there is constant exposure to saltwater and high humidity, the lifespan of steel rebars may be reduced. The corrosive nature of saltwater can cause the steel to corrode at a faster rate, potentially shortening the lifespan of the rebars. In such environments, special coatings or treatments can be applied to the steel rebars to enhance their corrosion resistance and extend their lifespan. Similarly, steel rebars used in areas with high levels of air pollution or industrial emissions may also experience accelerated corrosion. Airborne pollutants, such as sulfur dioxide or sulfuric acid, can react with the steel and lead to rusting. Regular maintenance and cleaning of the rebars can help mitigate the effects of these corrosive agents and prolong their lifespan. It is important to note that the quality of the steel rebars and the construction practices also play a significant role in determining their lifespan. Using high-quality rebars that meet industry standards and following proper installation techniques can greatly enhance their durability and longevity. Overall, while steel rebars generally have a long lifespan, the specific environment in which they are used will influence how long they can effectively serve their purpose. By considering the environmental factors and taking appropriate measures to prevent corrosion, the lifespan of steel rebars can be maximized, ensuring the safety and longevity of the structures in which they are utilized.

Q: What is the role of steel rebars in maintaining structural integrity?: Steel rebars play a crucial role in maintaining structural integrity by reinforcing and strengthening concrete structures. They provide tensile strength to resist cracking, bending, and shearing forces, enhancing the overall stability and durability of buildings, bridges, and other infrastructure.

Q: How are steel rebars used in the construction of chemical processing plants?: To reinforce and strengthen chemical processing plants, steel rebars are commonly employed. These rebars, also known as reinforcing bars, are typically crafted from carbon steel and are utilized to fortify various concrete structures like foundations, walls, columns, and beams. Considering the handling of hazardous and corrosive substances in chemical processing plants, the infrastructure is subjected to significant stress. Therefore, the utilization of steel rebars is of utmost importance as it safeguards the integrity of the structures and mitigates the risk of collapse or failure. When constructing chemical processing plants, it is customary to embed steel rebars within the concrete to create a reinforced concrete structure. This amalgamation of concrete and steel rebars forms a composite material that possesses augmented tensile strength, enabling it to endure the heavy loads, vibrations, and extreme temperature fluctuations frequently encountered in chemical plants. Furthermore, the deployment of steel rebars aids in averting cracks and structural deformations caused by shrinkage, settling, or external forces. This is particularly critical in chemical processing plants, where maintaining a secure and stable environment is imperative for employee safety and the plant's operational integrity. Moreover, steel rebars exhibit exceptional resistance to corrosion, a crucial attribute in chemical processing plants where exposure to corrosive chemicals and high humidity levels is prevalent. By serving as a protective barrier for the underlying concrete, steel rebars effectively prevent deterioration induced by corrosion, thereby prolonging the lifespan of the structures and reducing maintenance expenses. Overall, the presence of steel rebars assumes a vital role in the construction of chemical processing plants as they ensure structural stability, durability, and corrosion resistance, all of which are essential for the safe and efficient functioning of these facilities.