High quality deformed barhot rolled 10-50mm

High quality deformed barhot rolled 10-50mm System 1

High quality deformed barhot rolled 10-50mm

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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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Deformed Bar Details:

Minimum Order Quantity:		Unit:	m.t.	Loading Port:
Supply Ability:		Payment Terms:		Package:	wire rod packing

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 do steel rebars affect the constructability of projects in environmentally sensitive areas?: Steel rebars can have a significant impact on the constructability of projects in environmentally sensitive areas. Their use can present challenges in terms of excavation and foundation work, as well as potential disturbance to delicate ecosystems. Additionally, the production and transportation of steel rebars can contribute to carbon emissions and other environmental concerns. Therefore, alternative construction materials or techniques may need to be considered to minimize the environmental impact and ensure sustainable development in these areas.

Q:Can steel rebars be used in structures with limited construction budget?: Indeed, structures with a limited construction budget can incorporate steel rebars. The utilization of steel rebars is widespread in construction due to their robustness and durability. They contribute to the support and reinforcement of concrete, enhancing its resistance to tension and cracking. Although steel rebars may entail higher initial expenses in comparison to alternative materials, they present long-term economic benefits. By employing steel rebars, structures can enjoy an extended lifespan, thereby reducing the necessity for frequent repairs or replacements. Moreover, the prefabrication of steel rebars saves time and labor costs during the construction process. Additionally, steel rebars can be effortlessly recycled, rendering them a sustainable preference for construction projects. The recycling of steel diminishes the requirement for extracting raw materials and lessens the environmental impact. All in all, steel rebars represent an exceptional option for structures operating within limited construction budgets. They provide durability, longevity, and cost savings in the long run, thereby constituting a financially prudent choice for construction projects.

Q:What is the role of steel rebars in the construction of power transmission towers?: Steel rebars play a crucial role in the construction of power transmission towers as they provide strength, durability, and structural stability. They are used to reinforce the concrete foundations and structural components of the towers, ensuring that they can withstand the weight, wind loads, and other environmental factors. This reinforcement helps prevent cracks, bending, and collapse, thus ensuring the safety and longevity of the power transmission towers.

Q:How do steel rebars impact the durability of concrete structures?: Steel rebars greatly enhance the durability of concrete structures by adding tensile strength and preventing cracking or failure under stress. The rebars reinforce the concrete, allowing it to withstand heavy loads, seismic forces, and temperature variations, thereby significantly extending the lifespan and structural integrity of the concrete.

Q:Can steel rebars be used in nuclear power plants?: Yes, steel rebars can be used in nuclear power plants. However, they need to meet stringent quality control standards and be specifically designed to withstand the demanding conditions and potential exposure to radiation in a nuclear power plant environment.

Q:What are the different corrosion protection methods for steel rebars?: Steel rebars commonly used in reinforced concrete structures have various corrosion protection methods available. These methods aim to prevent or minimize rebars' corrosion, which can significantly weaken the overall structure. 1. Concrete Cover: An effective corrosion protection method involves providing a sufficient thickness of concrete cover over the rebars. This creates a physical barrier, preventing the rebars from being exposed to corrosive elements. 2. Galvanization: Another method is to coat the rebars with zinc through a process called galvanization. This protective layer acts as a sacrificial anode, corroding before the rebars and enhancing their resistance to corrosion. 3. Epoxy Coating: A popular approach is applying a layer of epoxy resin over the rebars. This coating acts as a barrier, preventing moisture and corrosive substances from reaching the rebars. 4. Cathodic Protection: An electrochemical method known as cathodic protection involves using a sacrificial anode or an impressed current system. In a sacrificial anode system, a more reactive metal like zinc or magnesium is connected to the rebars, sacrificing itself to prevent corrosion. In an impressed current system, an external power source supplies a protective current to the rebars, preventing corrosion. 5. Corrosion Inhibitors: Chemicals can be added to the concrete mix or applied as a surface treatment to act as corrosion inhibitors. These substances create a protective film on the rebars' surface, blocking corrosive agents' access and preventing corrosion. 6. Stainless Steel Rebars: An effective method is to use stainless steel rebars, which have high resistance to corrosion. This makes them suitable for structures exposed to aggressive environments. It is important to consider various factors, such as environmental conditions, expected service life, and cost, when selecting the appropriate corrosion protection method. Regular inspection and maintenance of the system are also necessary to ensure its long-term effectiveness.

Q:Can steel rebars be used in the construction of swimming pools or water tanks?: Yes, steel rebars can be used in the construction of swimming pools or water tanks. Steel rebars are commonly used as reinforcement in concrete structures to increase their strength and durability. In swimming pool or water tank construction, steel rebars are typically placed within the concrete walls and floors to provide additional support and prevent cracking or structural failure. The rebars are designed to withstand the corrosive effects of water and can effectively reinforce the concrete structure to resist the pressure exerted by the water. However, it is important to ensure that the steel rebars are properly coated or protected to prevent corrosion, as constant exposure to water can lead to rusting over time. By incorporating steel rebars in the construction of swimming pools or water tanks, the overall integrity and longevity of the structures can be significantly improved.

Q:How do steel rebars provide reinforcement in concrete?: Steel rebars provide reinforcement in concrete by adding tensile strength to the material. Concrete is strong in compression but weak in tension, and steel rebars help to counteract this weakness by absorbing the tensile forces that occur in the structure. By securely embedding the rebars within the concrete, they form a composite material that can withstand both compression and tension, making the concrete structure more durable and resistant to cracking or breaking under load.

Q:What is the bending capacity of steel rebars?: The bending capacity of steel rebars depends on various factors such as the diameter, grade, and reinforcement detailing. Generally, steel rebars have high bending capacity due to their inherent strength and ductility. However, the specific bending capacity can vary and should be determined based on engineering calculations and design standards.

Q:Are steel rebars suitable for use in tunnels and underground mines?: Yes, steel rebars are suitable for use in tunnels and underground mines. Steel rebars, also known as reinforcement bars, are commonly used in construction for their strength and durability. In tunnels and underground mines, where structural integrity is crucial, steel rebars provide the necessary reinforcement to withstand the heavy loads and pressures associated with these environments. Steel rebars have excellent tensile strength, which allows them to resist bending and cracking under high stress. This is particularly important in tunnels and underground mines, where the surrounding rock and soil can exert significant pressure on the structure. By reinforcing the concrete or other structural materials with steel rebars, the overall strength and stability of the tunnel or mine are enhanced, reducing the risk of collapse or damage. Furthermore, steel rebars are resistant to corrosion, making them suitable for use in underground environments where moisture and chemical exposure are common. Corrosion can weaken the structural integrity of reinforcement materials, compromising the safety of the tunnel or mine. Steel rebars, on the other hand, provide long-lasting reinforcement, ensuring the longevity and reliability of the infrastructure. In addition, steel rebars can be easily fabricated and installed, making them a convenient choice for tunnel and underground mine construction. They can be cut and bent to specific shapes and sizes, allowing for customized reinforcement solutions that meet the unique requirements of each project. This versatility and ease of installation make steel rebars a practical choice for tunnels and underground mines, where complex geometries and challenging conditions are often encountered. Overall, steel rebars are well-suited for use in tunnels and underground mines due to their strength, durability, corrosion resistance, and ease of installation. By using steel rebars as reinforcement, these structures can be built to withstand the demanding conditions and ensure the safety of workers and the longevity of the infrastructure.

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