STEEL REBAR HIGH QUALITY DEFORMED BAR HRB400 HRB500

STEEL REBAR HIGH QUALITY DEFORMED BAR HRB400 HRB500 System 1

STEEL REBAR HIGH QUALITY DEFORMED BAR HRB400 HRB500

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 200 m.t.

Supply Capability:: 50000 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 do steel rebars affect the ductility of reinforced concrete?: Steel rebars greatly enhance the ductility of reinforced concrete. By adding steel reinforcement, the tensile strength of the concrete is significantly increased, preventing it from cracking or failing under tensile stresses. The rebars act as a reinforcement system that absorbs and redistributes the tensile forces, allowing the concrete to withstand more deformation and elongation before reaching its ultimate failure point. This improved ductility makes reinforced concrete structures more resistant to earthquakes, impact loads, and other external forces.

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Q: Are there any restrictions on the use of steel rebars in certain regions?: Certain regions have restrictions on the use of steel rebars. These restrictions can differ from one region to another and are implemented to guarantee the safety and stability of structures. In specific locations, building codes and regulations may dictate particular criteria for the use of steel rebars, including their type, size, and placement. Additionally, there may be limitations on the utilization of certain types of steel rebars, such as epoxy-coated rebars, owing to environmental considerations. Construction professionals should acquaint themselves with the local building codes and regulations to ensure adherence and enhance the safety and longevity of structures.

Q: How do steel rebars affect the overall stability of concrete structures?: The overall stability of concrete structures is greatly enhanced by steel rebars. When steel rebars are added to concrete, its tensile strength is significantly increased, as concrete naturally lacks this property. Although concrete is effective in resisting compressive forces, it is weak when it comes to resisting tensile forces. By incorporating steel rebars into the concrete, the structure becomes more durable and less prone to cracking and deformation. The rebars function as reinforcement by absorbing the tensile stresses caused by external loads or internal forces. When these forces are applied, the concrete transfers the tensile stress to the rebars, which allows them to bear the load. This prevents the concrete from cracking and failing under tension, as the rebars strengthen the structure and distribute the forces more evenly. Furthermore, steel rebars provide stability and maintain the structural integrity of concrete structures in the event of earthquakes or other natural disasters. The rebars assist in resisting the lateral forces generated during seismic events, thereby preventing the structure from collapsing or sustaining significant damage. This is especially crucial in tall buildings or structures subjected to heavy loads, as the presence of rebars ensures the overall stability and safety of the structure. Additionally, steel rebars contribute to the durability and longevity of concrete structures. By inhibiting cracking and reducing the risk of corrosion, the rebars safeguard the concrete from environmental factors such as moisture, chemicals, and temperature fluctuations. This preservation of the structure's integrity over time diminishes the need for frequent repairs or replacements. In conclusion, steel rebars play a vital role in enhancing the overall stability of concrete structures. They provide the necessary tensile strength that concrete lacks, enabling it to withstand external loads and internal forces without cracking or failing. The inclusion of rebars also guarantees structural integrity during seismic events and enhances the durability of the concrete. Ultimately, steel rebars are indispensable components in the construction of strong, secure, and long-lasting concrete structures.

Q: What are the guidelines for the proper storage of steel rebars on construction sites?: Ensuring the integrity and safety of steel rebars on construction sites is of utmost importance. To achieve this, the following recommendations should be followed: 1. It is crucial to select a suitable storage area for steel rebars. This entails choosing a flat, stable, and well-drained location, while avoiding areas that are prone to flooding or excessive moisture. 2. Ample space should be provided between rebars to prevent any contact or entanglement that could potentially cause damage. Additionally, clear aisles and pathways should be maintained to facilitate easy access and movement. 3. The protection of steel rebars against corrosion is essential. To achieve this, they should be covered with waterproof and UV-resistant tarpaulins or plastic sheets. This shielding will safeguard the rebars from rain, snow, or direct sunlight. 4. To prevent contact with water, dirt, or other contaminants that can accelerate corrosion, it is imperative to elevate the rebars from the ground. This can be accomplished by placing them on wooden supports or pallets. 5. When stacking rebars, it is important to ensure stability and prevent rolling or falling. Larger and heavier rebars should be positioned at the bottom of the stack to create a secure foundation. 6. Each stack should be clearly labeled with information such as size, length, and grade. This will facilitate easy identification. Furthermore, separating different sizes or types of rebars in the storage area will minimize confusion and aid in retrieval. 7. Regular inspections should be conducted to check for signs of corrosion, damage, or deformation. Any rebars showing signs of deterioration should be promptly removed to prevent accidents or compromised structural integrity. 8. When moving or transporting rebars, appropriate lifting equipment such as cranes, forklifts, or hoists should be used. Avoiding dragging or dropping the rebars is crucial, as it can cause deformation or damage. 9. It is vital to consult the manufacturer's guidelines for specific storage requirements and recommended practices pertaining to the particular type of steel rebars being used. By adhering to these guidelines, construction sites can ensure the proper storage of steel rebars. This, in turn, will help maintain their quality, prolong their lifespan, and guarantee the safety of both workers and structures.

Q: What is the role of steel rebars in the construction of retaining walls?: Steel rebars play a crucial role in the construction of retaining walls as they provide strength and reinforcement to the concrete structure. They help to distribute and resist the lateral pressure exerted by the soil, ensuring the stability and durability of the wall.

Q: How do steel rebars contribute to the energy efficiency of a building?: There are several ways in which steel rebars contribute to the energy efficiency of a building. To begin with, they are used to reinforce concrete structures like beams, columns, and walls. This reinforcement enhances the building's structural integrity, enabling it to withstand different loads and forces. Consequently, the construction process requires fewer materials, resulting in a more energy-efficient building. Moreover, steel rebars possess exceptional thermal conductivity properties. This means they can effectively transfer and distribute heat throughout the building, aiding in regulating the internal temperature. By evenly dispersing heat, steel rebars help to minimize temperature fluctuations, thereby reducing the need for excessive heating or cooling systems and conserving energy. Furthermore, steel rebars have a lengthy lifespan and necessitate minimal upkeep. This durability ensures that the building remains structurally sound over time, decreasing the frequency of repairs or replacements. As a result, the energy consumed in maintenance and renovation activities is significantly reduced. Additionally, the use of steel rebars enables the construction of larger, open spaces with fewer supporting columns. This design flexibility allows for the incorporation of natural light and ventilation, reducing dependence on artificial lighting and air conditioning systems. By maximizing the utilization of natural resources, steel rebars contribute to the energy efficiency of the building. In conclusion, steel rebars play a crucial role in improving the energy efficiency of a building. Their ability to reinforce structures, efficient thermal conductivity, durability, and design flexibility all contribute to decreasing the energy consumption associated with the construction, maintenance, and operation of the building.

Q: Can steel rebars be used in coastal areas?: Yes, steel rebars can be used in coastal areas. However, it is important to note that the rebars need to be properly coated or protected against corrosion due to the higher levels of salt and moisture in coastal environments.

Q: Can steel rebars be used in the construction of museums and art galleries?: Yes, steel rebars can be used in the construction of museums and art galleries. Steel rebars provide structural reinforcement and can help ensure the stability and longevity of the building. They are commonly used in the construction industry to reinforce concrete and enhance the overall strength of structures.

Q: How do steel rebars affect the overall stability of a structure?: The overall stability of a structure is greatly impacted by steel rebars, also known as reinforcing bars. These rebars play a crucial role in enhancing the stability and durability of a structure, especially concrete structures. One way in which steel rebars affect the stability of a structure is by strengthening the concrete against tensile forces. While concrete is strong when it comes to compressive forces, it is relatively weak in resisting tension. Steel rebars, with their high tensile strength, help to counteract this weakness by absorbing and distributing tensile forces throughout the structure. This prevents the concrete from cracking or collapsing under excessive tensile loads, resulting in enhanced stability. Furthermore, steel rebars also contribute to the structural stability by improving the flexural strength of a structure. Flexural strength refers to a structure's ability to withstand bending or flexing without deforming or failing. By incorporating steel rebars into reinforced concrete beams, columns, or slabs, the overall flexural strength of the structure increases significantly. This prevents excessive deflection and ensures the structure can bear the various loads it faces, such as the weight of the building, live loads, or external forces. In addition, steel rebars play a vital role in resisting shear forces, which occur when different parts of a structure slide or move in opposite directions. These shear forces can lead to structural failure if not properly addressed. Steel rebars, when correctly positioned and secured, restrain the concrete from shearing, thus preventing potential collapse or instability. Moreover, steel rebars also enhance the stability of a structure by improving its resistance to seismic forces. In areas prone to earthquakes, the inclusion of steel rebars provides the necessary ductility and energy dissipation capacity to withstand seismic activity. Acting as a network of interconnected elements, the rebars distribute the seismic forces and ensure the structure remains stable during an earthquake. In conclusion, steel rebars have a significant impact on the overall stability of a structure. Their inclusion reinforces concrete against tensile forces, enhances flexural strength, resists shear forces, and improves resistance to seismic activity. By increasing the strength, durability, and integrity of a construction, steel rebars ensure that a structure can withstand various loads, forces, and potential hazards, ultimately enhancing its overall stability.

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