High Quality GB Standard Deformed Steel Rebar HRB400

High Quality GB Standard Deformed Steel Rebar HRB400 System 1

High Quality GB Standard Deformed Steel Rebar HRB400

Ref Price:

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

Inquire Now

Customer Service

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specifications of High Quality GB Standard Deformed Steel Rebar HRB400

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 of High Quality GB Standard Deformed Steel Rebar HRB400

(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 High Quality GB Standard Deformed Steel Rebar HRB400

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 High Quality GB Standard Deformed Steel Rebar HRB400

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

High Quality GB Standard Deformed Steel Rebar HRB400

Deformed Steel Bar in container

Deformed Steel Bar in factory

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

Standard: ASTM, BS, DIN

The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

Q:What are the factors that affect the cost of steel rebars?: There are several factors that affect the cost of steel rebars. These include the price of raw materials such as iron ore and scrap metal, as well as the cost of energy and transportation. Additionally, market demand and supply, currency exchange rates, and government regulations can also impact the cost of steel rebars.

Q:How are steel rebars used in construction?: Steel rebars, also known as reinforcing bars, play a crucial role in construction projects. They are primarily used to reinforce concrete structures and provide strength and stability to building elements such as beams, columns, slabs, and foundations. In construction, rebars are typically laid in a grid pattern within the concrete formwork before pouring the concrete. This grid formation allows the rebars to distribute the tensile forces that occur in concrete structures, preventing cracking and enhancing structural integrity. The rebars are carefully placed at specific locations within the concrete elements based on the design and engineering specifications. They are generally spaced apart at predetermined intervals to ensure optimal reinforcement and to bear the anticipated loads. During the concrete pouring process, the wet concrete fully envelops the rebars, creating a bond between the two materials. As the concrete hardens and cures, it tightly grips the rebars, creating a composite structure that can resist bending, shearing, and other types of stress. Steel rebars are available in various sizes and grades, depending on the specific requirements of the construction project. They are typically made from carbon steel and may have different surface finishes to enhance their bonding capabilities with concrete. In addition to providing strength, rebars also help in controlling cracking caused by shrinkage, temperature changes, and external forces. By absorbing and distributing these forces, they minimize the risk of structural failure and ensure the overall stability and durability of the concrete components. Overall, steel rebars are essential components in construction as they reinforce concrete structures, increase load-bearing capacity, and enhance the longevity of buildings and infrastructure. Their proper placement and utilization are critical for building resilience, safety, and structural integrity.

Q:How are steel rebars connected to each other during construction?: Steel rebars are connected to each other during construction using various methods such as overlapping, welding, or mechanical couplers.

Q:Are steel rebars suitable for use in high-rise buildings?: Yes, steel rebars are suitable for use in high-rise buildings. Steel rebars, also known as reinforcing bars, are commonly used in the construction industry to provide strength and stability to concrete structures. High-rise buildings require a strong and durable structural system to withstand various loads and forces such as wind, earthquakes, and the weight of the building itself. Steel rebars offer excellent tensile strength and ductility, making them ideal for reinforcing concrete in high-rise structures. One of the key advantages of steel rebars is their ability to resist tensile forces. Concrete is strong in compression but weak in tension, and steel rebars help counteract this weakness by providing the necessary tensile strength. This is crucial in high-rise buildings where the weight of the structure can cause tension on the concrete elements. By reinforcing the concrete with steel rebars, the overall structural integrity of the building is enhanced, ensuring its safety and stability. Additionally, steel rebars have superior ductility, which is the ability to deform under stress without fracturing. This property is essential in high-rise buildings as they are subject to dynamic loads and potential movements caused by factors like wind or seismic activity. Steel rebars can absorb and distribute these forces, reducing the risk of structural failure or collapse. Furthermore, steel rebars are readily available and cost-effective compared to alternative materials such as carbon fiber or fiberglass. They can be easily fabricated and installed in various shapes and sizes to fit the specific design requirements of high-rise buildings. However, it is important to note that the suitability of steel rebars in high-rise buildings also depends on proper design, installation, and regular maintenance. It is crucial to follow the relevant building codes and standards, ensure proper corrosion protection, and conduct regular inspections to detect any potential issues. By adhering to these practices, steel rebars can provide a reliable and durable reinforcement solution for high-rise buildings.

Q:What is the role of steel rebars in minimizing cracking due to shrinkage?: The role of steel rebars in minimizing cracking due to shrinkage is to provide reinforcement and strength to concrete structures. By placing steel rebars within the concrete, they act as a framework that helps distribute the tensile forces caused by shrinkage. This prevents the concrete from cracking and ensures the overall stability and durability of the structure.

Q:How do steel rebars provide flexibility to concrete structures?: Steel rebars provide flexibility to concrete structures in several ways. Firstly, steel rebars are used to reinforce concrete, which helps to increase the tensile strength of the structure. Concrete is strong in compression but weak in tension. By adding steel rebars, the concrete becomes more resistant to bending and cracking, as the rebars can absorb the tensile forces that would otherwise cause the concrete to fail. This reinforcement allows concrete structures to withstand greater loads and provides flexibility by preventing excessive deformation or collapse. Secondly, steel rebars can be used to create a reinforced concrete frame, which enhances the overall flexibility of the structure. The rebars, when embedded in the concrete, form a network of interconnected elements that distribute the applied loads more evenly. This network acts as a flexible skeleton that can adapt to different stresses, such as changes in temperature, ground movements, or dynamic forces. Consequently, the structure can accommodate slight movements or vibrations without suffering significant damage. Moreover, steel rebars can be strategically placed in areas where additional flexibility is required. For example, in seismic-prone regions, rebars can be concentrated in critical areas such as the joints or corners of a building. This placement helps to dissipate the energy generated during an earthquake, allowing the structure to deform and absorb the seismic forces without collapsing. This flexibility provided by the steel rebars helps to enhance the seismic resistance of the concrete structure. In summary, steel rebars provide flexibility to concrete structures by increasing their tensile strength, creating a reinforced concrete frame, and allowing for strategic placement to enhance specific areas of flexibility. This flexibility helps concrete structures withstand various loads, adapt to different stresses, and improve their overall strength and durability.

Q:How do steel rebars contribute to the overall ductility of a structure?: Steel rebars contribute to the overall ductility of a structure in several ways. Firstly, steel rebars are highly flexible and can withstand a significant amount of stress before yielding or breaking. This flexibility allows them to absorb and distribute the applied load, reducing the chances of sudden failure or collapse. By providing additional reinforcement to the concrete, rebars help the structure withstand external forces such as earthquakes or extreme weather conditions. Secondly, rebars increase the tensile strength of the concrete. Concrete is known for its high compressive strength but has relatively low tensile strength. When stress is applied to a structure, the rebars help to resist the tension forces and prevent cracking or failure. This ensures that the structure can withstand both compressive and tensile forces, enhancing its overall durability and safety. Moreover, steel rebars also enhance the structural integrity by preventing the propagation of cracks. When a crack starts to form in a concrete element, the rebars act as a barrier, limiting the crack's expansion and preventing it from spreading rapidly. This characteristic of rebars helps to maintain the overall stability and integrity of the structure. In addition, steel rebars provide a higher degree of flexibility during construction. They can be easily bent, shaped, and joined to meet specific design requirements, allowing architects and engineers to create structures that are more aesthetically pleasing and functional. This flexibility also facilitates the construction process by allowing for modifications or adjustments to be made without compromising the overall strength or stability of the structure. Overall, steel rebars play a crucial role in enhancing the ductility of a structure. They increase the tensile strength, absorb and distribute stress, prevent crack propagation, and provide flexibility during construction. These properties contribute to the overall durability, safety, and structural integrity of a building or infrastructure, making steel rebars an essential component in modern construction practices.

Q:What are the different types of coating available for steel rebars?: There are several different types of coatings available for steel rebars, including epoxy coating, galvanized coating, and polyethylene coating. Epoxy coating provides corrosion resistance and is often used in environments where the rebar is exposed to moisture or chemicals. Galvanized coating involves applying a layer of zinc to the rebar's surface, which helps to prevent rust and corrosion. Polyethylene coating is a plastic coating that provides additional protection against corrosion and is commonly used in concrete structures.

Q:What is the process of reinforcing concrete walls with steel rebars?: The process of reinforcing concrete walls with steel rebars involves several steps. First, the design and placement of rebars are determined based on the structural requirements. Then, the concrete wall is prepared by cleaning and ensuring a strong bond with the rebars. Next, the rebars are cut and bent according to the specified dimensions and patterns. These rebars are then placed in the desired positions within the formwork, ensuring proper spacing and alignment. Once the rebars are in place, the concrete is poured, encapsulating the rebars and forming a solid structure. The concrete is allowed to cure and harden, creating a reinforced concrete wall that is stronger and more resistant to cracking or structural failure.

Q:How are steel rebars coated with epoxy?: Steel rebars are coated with epoxy through a process called fusion bonding. In this process, the rebars are first cleaned and preheated, and then a layer of epoxy powder is applied to their surface. The rebars are then heated to a high temperature, causing the epoxy powder to melt and fuse with the steel, creating a durable and protective coating.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range