Hot Rolled Steel Rebar Deformed Bar Made In China

Hot Rolled Steel Rebar Deformed Bar Made In China System 1

Hot Rolled Steel Rebar Deformed Bar Made In China System 2

Hot Rolled Steel Rebar Deformed Bar Made In China System 3

Hot Rolled Steel Rebar Deformed Bar Made In China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 2000 m.t.

Supply Capability:: 30000 m.t./month

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Product Description:

Specifications of Deformed Steel Bar:

Standard	GB	HRB335, HRB400, HRB500
	UK	G460B, B500A, B500B,B500C
	USA	GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm
Diameter
Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Application	building,construction,road,bridge etc
Brand name	DRAGON

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)
6	28.27	0.222
8	50.27	0.395
10	78.54	0.617
12	113.1	0.888
14	153.9	1.21
16	201.1	1.58
18	254.5	2.00
20	314.2	2.47
22	380.1	2.98
25	490.9	3.85
28	615.8	4.83
32	804.2	6.31
36	1018	7.99
40	1257	9.87
50	1964	15.42

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

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

Hot Rolled Steel Rebar Deformed Bar Made In China

Q:Can steel rebars be used in architectural concrete elements?: Yes, steel rebars can be used in architectural concrete elements. Steel rebars are commonly used in concrete construction to provide reinforcement and increase the strength and durability of the concrete structure. In architectural concrete, rebars can be strategically placed to enhance the structural integrity of the elements while also adding aesthetic value. The rebars can be exposed or hidden within the concrete, depending on the desired design outcome. By using steel rebars, architects have the flexibility to create complex and unique architectural elements while ensuring the required strength and stability.

Q:What is the impact of steel rebars on the overall sustainability of a building?: The overall sustainability of a building is greatly influenced by steel rebars, which have various implications for the environment, economy, and society. Firstly, the use of steel rebars strengthens and prolongs the lifespan of a structure, reducing the need for repairs and renovations and minimizing resource consumption and waste. In terms of environmental impact, steel rebars can be recycled, decreasing the demand for new steel production and the carbon emissions associated with it. Recycling steel rebars also saves energy and reduces the extraction of raw materials like iron ore and coal. Additionally, steel rebars can be salvaged and repurposed in other construction projects, further extending their usefulness and reducing waste. From an economic perspective, incorporating steel rebars can result in cost savings in construction and maintenance. Steel is a versatile and strong material, allowing for lighter and more efficient designs, leading to reduced material and labor costs. Moreover, the recyclability and salvagability of steel rebars can provide economic benefits through resale or repurposing. Furthermore, steel rebars play a crucial role in ensuring the safety and structural integrity of buildings, particularly in areas prone to earthquakes or high winds. By reinforcing concrete, steel rebars enhance a building's resistance to external forces, reducing the risk of collapse or damage during natural disasters. This aspect of safety is vital for the well-being of occupants and the community as a whole. In conclusion, steel rebars have a positive impact on the overall sustainability of a building, contributing to durability, reducing environmental impacts through recycling and reuse, offering economic benefits, and enhancing structural safety. The incorporation of steel rebars in construction projects can significantly improve the long-term sustainability and resilience of buildings.

Q:What are the common defects observed in steel rebars?: Some common defects observed in steel rebars include: 1. Rust and corrosion: Steel rebars are susceptible to rust and corrosion when exposed to moisture and oxygen. This can weaken the structural integrity of the rebar and compromise the overall strength of the concrete structure. 2. Cracks and fractures: Rebars can develop cracks and fractures due to various factors such as excessive bending, improper handling during transportation and installation, or overloading. These defects can reduce the load-bearing capacity of the rebar and affect the performance of the concrete structure. 3. Lack of bond: Adequate bond between the rebar and the surrounding concrete is crucial for transferring loads effectively. However, poor surface preparation, improper placement, or the presence of contaminants can lead to a lack of bond, resulting in reduced structural strength. 4. Bent or deformed rebars: Rebars are often bent during fabrication to fit specific construction requirements. However, improper bending techniques, excessive bending, or mishandling can result in rebars with incorrect shapes or deformities. These defects can compromise the structural integrity and load-bearing capacity of the rebar. 5. Dimensional inaccuracies: Steel rebars must conform to specific dimensional tolerances to ensure proper fit and alignment within the concrete structure. However, manufacturing errors or improper storage and handling can lead to dimensional inaccuracies, causing difficulties during installation and potentially affecting the structural performance. 6. Inclusions and impurities: Steel rebars should ideally be free from any inclusions or impurities that can weaken the material. However, inadequate quality control during the manufacturing process can result in the presence of foreign materials or impurities within the steel, which can reduce its strength and durability. It is important to ensure proper quality control measures and adherence to industry standards during the manufacturing, transportation, and installation of steel rebars to minimize these defects and ensure the long-term structural integrity of concrete structures.

Q:Is thread steel rod or wire?: Steel wire and wire is not round, small diameter 6.5-12mm, like line, which is straight thread steel bar with ribs, although a small diameter of the disk, but does not belong to the bar, is the construction of a reinforced bar, refers to the solid bar, is not the same in detail. Tiantai into ZhiShiLei article can see

Q:Can steel rebars be used in wastewater treatment plant construction?: Yes, steel rebars can be used in wastewater treatment plant construction. Steel rebars are commonly used for reinforcement in concrete structures, providing strength and durability to withstand the harsh conditions present in wastewater treatment plants.

Q:What is the role of steel rebars in earthquake-resistant structures?: The role of steel rebars in earthquake-resistant structures is to provide reinforcement and strength to the concrete elements. Steel rebars are embedded in the concrete to enhance its tensile strength and prevent cracking or collapsing during an earthquake. They help distribute the forces and stresses caused by seismic activity, enabling the structure to withstand and absorb the energy generated by the earthquake, thus reducing the risk of structural failure and ensuring the safety of the building and its occupants.

Q:How do steel rebars resist fatigue and cyclic loading?: Steel rebars are specifically designed to resist fatigue and cyclic loading due to their unique properties and design. Firstly, steel rebars are made from high-strength steel, which has excellent resistance to fatigue. High-strength steel has a higher yield strength and ultimate tensile strength compared to regular steel, allowing it to withstand repetitive loading without undergoing significant deformation or failure. This property helps rebars endure cyclic loading without experiencing fatigue failure. Moreover, steel rebars are reinforced with rib patterns along their surface. These ribs increase the surface area, enhancing the bond between the rebar and surrounding concrete. This increased bond strength helps to distribute the cyclic loads more evenly, reducing the localized stress concentration. By distributing the loads, the rebars are better able to resist fatigue and cyclic loading. Additionally, rebars are often designed with a specific diameter and spacing to optimize their load-carrying capacity and resist fatigue. The design takes into consideration the anticipated cyclic loads, ensuring that the rebars are adequately spaced and sized to handle the expected stresses. The spacing between rebars also allows for proper concrete flow and consolidation during construction, further enhancing the overall performance and resistance to fatigue. Furthermore, proper installation and quality control during construction play a crucial role in ensuring the rebars' resistance to fatigue and cyclic loading. Adequate concrete cover, proper placement within the concrete, and secure anchoring of the rebars all contribute to their ability to withstand cyclic loading over time. In summary, steel rebars resist fatigue and cyclic loading through their high-strength steel composition, ribbed surface patterns, optimized spacing and diameter, and proper installation techniques. These features work collectively to enhance their load-carrying capacity, distribute loads more evenly, and minimize stress concentration, resulting in improved resistance to fatigue and cyclic loading.

Q:Are steel rebars available in different shapes and profiles?: Yes, steel rebars are available in different shapes and profiles. The most common shape of steel rebars is the plain round bar, which is circular in shape and has a smooth surface. However, there are also other shapes and profiles available such as deformed bars, which have ribs or indentations along their length. These ribs provide better adhesion between the rebars and the surrounding concrete, increasing the overall strength and stability of the structure. Additionally, steel rebars can be found in various sizes and lengths to suit different construction needs. Some examples of different profiles include square bars, flat bars, and T-shaped bars. These various shapes and profiles provide flexibility and options for engineers and builders to choose the most suitable type of steel rebar for their specific construction projects.

Q:Can steel rebars be used in structures with heavy snow loads?: Indeed, structures burdened with heavy snow loads can incorporate steel rebars. These rebars are commonly employed in construction to fortify concrete structures and augment their strength. When designing structures in regions prone to heavy snowfall, engineers carefully consider the weight of the snow and ensure that the structure is equipped to bear the additional load. Steel rebars possess the strength necessary to endure substantial loads, allowing them to reinforce the concrete within a structure and enhance its resistance against snow-induced forces. Furthermore, steel rebars aid in distributing the load evenly throughout the structure, mitigating the risk of failure or collapse. Nevertheless, it is crucial to seek guidance from a structural engineer or a knowledgeable professional familiar with local building codes and regulations to guarantee the proper design and construction of the structure to meet the specific requirements for snow loads in the area.

Q:How do steel rebars affect the acoustic properties of a structure?: Steel rebars can have a significant impact on the acoustic properties of a structure. Due to their high density and rigidity, steel rebars can act as conductors of sound and vibrations. This means that when sound waves or vibrations encounter steel rebars, they can easily be transmitted through them, resulting in increased noise levels and reduced acoustic insulation. In terms of airborne sound transmission, steel rebars can create a direct pathway for sound waves to travel through a structure. This can lead to the amplification of sound, especially in areas where rebars are in direct contact with walls or floors. As a result, the overall acoustic quality of the structure may be compromised, causing increased noise levels and decreased speech intelligibility. Steel rebars can also affect the structure's ability to block impact or structure-borne noise. When vibrations are generated, for example, from footsteps or machinery, the rigid steel rebars can efficiently transmit these vibrations throughout the structure. This can result in the amplification and propagation of structure-borne noise, making it more perceptible in different areas of the building. To mitigate the negative effects of steel rebars on the acoustic properties of a structure, various techniques can be employed. One common method is to use acoustically decoupled materials or resilient mounts to isolate the rebars from the surrounding structure, reducing the transmission of vibrations. Additionally, incorporating sound-absorbing materials, such as acoustic panels or insulation, can help to absorb and dampen sound waves, improving the overall acoustic performance of the space. Overall, steel rebars can have a significant impact on the acoustic properties of a structure. Their high density and rigidity make them efficient conductors of sound and vibrations, potentially leading to increased noise levels and reduced acoustic insulation. Therefore, careful consideration of acoustic design and appropriate use of soundproofing measures are essential in minimizing the adverse effects of steel rebars on the acoustic quality of a building.

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