Deformed bars with grade HRB400,high quality

Deformed bars with grade HRB400,high quality System 1

Deformed bars with grade HRB400,high 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	10mm-32mm

Length	6M, 12M
Place of origin	Hebei, China mainland
Advantages	exact size, regular package, chemical and mechanical properties are stable.
Type	Hot rolled deformed steel bar

Chemical Composition: (Please kindly find our chemistry of our material based on HRB400 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)
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76

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

Deformed bars with grade HRB400,high quality

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q: Are there any standards or codes for steel rebars?: Yes, there are various standards and codes that govern the manufacturing, testing, and use of steel rebars. These standards typically include specifications for the chemical composition, mechanical properties, dimensions, and tolerances of rebars. Some commonly recognized standards and codes for steel rebars include ASTM A615/A615M, ASTM A706/A706M, and BS 4449. Compliance with these standards ensures the quality and safety of steel rebars used in construction projects.

Q: What are the benefits of using stainless steel rebars?: Some benefits of using stainless steel rebars include their high corrosion resistance, durability, and strength. Stainless steel rebars do not rust or corrode like traditional steel rebars, making them ideal for construction projects in areas with high humidity or exposure to corrosive elements. They also have a longer lifespan, reducing the need for frequent replacements and maintenance. Additionally, stainless steel rebars offer better structural integrity and can withstand higher loads, ensuring the longevity and safety of the structures they reinforce.

Q: Are there any alternative materials to steel rebars for reinforcement?: Indeed, there exists a variety of alternative materials for reinforcement instead of steel rebars. One such material is FRP rebars, which consist of high-strength fibers like carbon, glass, or aramid embedded in a polymer matrix. These FRP rebars possess numerous advantages over steel rebars, such as a high strength-to-weight ratio, resistance to corrosion, and electromagnetic neutrality. They prove particularly valuable in situations where corrosion is a concern, such as marine environments or structures exposed to chemicals. Another alternative material is basalt rebars, which are formed by reinforcing basalt fiber with a polymer matrix. Similar to FRP rebars, basalt rebars offer advantages like a high strength-to-weight ratio and corrosion resistance. Additionally, they are non-conductive and non-magnetic, making them suitable for applications where electromagnetic neutrality is crucial, like in MRI facilities or near power lines. Besides FRP and basalt rebars, other alternative reinforcement materials include bamboo, timber, and composites made from natural fibers such as hemp or flax. These materials are commonly employed in sustainable construction practices or in regions where they are more easily accessible compared to traditional steel rebars. While they may not possess the same level of strength as steel, they can still provide adequate reinforcement for specific applications and offer other benefits like low environmental impact or ease of handling and installation. In conclusion, the availability of alternative materials to steel rebars provides engineers and architects with a range of options to select from based on their project's specific requirements, including factors such as strength, durability, cost, and sustainability.

Q: How do steel rebars contribute to the overall aesthetics of a building?: Steel rebars do not directly contribute to the overall aesthetics of a building as they are typically hidden within the structural elements. However, their presence plays a crucial role in ensuring the strength, stability, and durability of the structure. Steel rebars are used to reinforce concrete, providing additional support to withstand various forces such as gravity, wind, and seismic activities. By reinforcing the concrete, steel rebars make it possible to create taller, more open, and architecturally complex designs. This allows architects and engineers to design buildings with larger spans, thinner walls, and unique shapes, enhancing the overall aesthetics of the structure. Moreover, steel rebars can be strategically placed in areas where additional strength is required, allowing for the creation of intricate and visually appealing architectural features. While steel rebars may not be visible, they contribute significantly to the structural integrity of the building, which indirectly impacts its aesthetics by enabling innovative designs and ensuring the safety and longevity of the structure.

Q: How do steel rebars affect the maintenance requirements of a structure?: Steel rebars can significantly impact the maintenance requirements of a structure by enhancing its structural integrity and durability. The use of steel rebars in concrete structures helps prevent cracking, improve load-bearing capacity, and enhance resistance against external forces such as earthquakes and weathering. As a result, the maintenance requirements of the structure are reduced as it becomes more resilient to wear and tear, reducing the need for frequent repairs or replacements.

Q: Are there any restrictions on the use of steel rebars in certain climates?: Yes, there can be restrictions on the use of steel rebars in certain climates. Steel rebars are susceptible to corrosion when exposed to high humidity, saltwater, or acidic environments. In such climates, additional measures like using corrosion-resistant coatings or stainless steel rebars may be required to ensure the longevity and structural integrity of concrete structures.

Q: How are steel rebars handled and stored on construction sites?: Steel rebars are typically handled and stored on construction sites by being stacked horizontally in designated areas. They are often separated by size, type, and grade to ensure easy accessibility and organization. Additionally, rebars are often lifted and moved using cranes, forklifts, or manual labor, taking necessary safety precautions. Proper storage and handling of rebars is crucial to prevent damage, rusting, and maintain their structural integrity for construction purposes.

Q: How do steel rebars distribute loads in concrete structures?: Steel rebars distribute loads in concrete structures by providing reinforcement and increasing the tensile strength of the concrete. When loads are applied to the structure, the rebars help to evenly distribute the forces throughout the concrete, preventing cracks and failure. The rebars act as a framework or skeleton within the concrete, effectively transferring the load and enhancing the overall structural integrity of the concrete structure.

Q: How are steel rebars stored on construction sites?: Steel rebars are typically stored on construction sites in a horizontal position, often on racks or pallets, to prevent bending or deformities. They are organized based on size, type, and length to facilitate easy access and efficient usage during the construction process. Additionally, rebars may be protected from corrosion by being covered with a tarp or stored in a designated area to prevent exposure to moisture and other elements.

Q: What is the difference between steel rebars and steel mesh?: Steel rebars and steel mesh are both commonly used in construction projects to reinforce concrete structures, but they have some key differences in terms of their design and application. Steel rebars, also known as reinforcing bars, are long, cylindrical steel rods that are typically used to provide tensile strength to concrete structures. These rebars are usually placed in a grid-like pattern within the concrete, and they help to prevent cracking and enhance the overall structural integrity of the concrete. Rebars are available in various sizes, and they are typically used in applications where a high amount of tensile force is expected, such as in columns, beams, and slabs. On the other hand, steel mesh, also known as wire mesh or welded wire fabric, consists of a series of interconnected steel wires that are welded together to form a grid-like pattern. This mesh is usually manufactured in large rolls and can be easily cut or bent to the desired shape. Steel mesh is primarily used to provide both tensile and shear strength to concrete structures. It is often used in applications where a lower amount of tensile force is expected, such as in walls, foundations, and pavements. In terms of installation, steel rebars are typically placed and secured within the concrete formwork before the pouring of concrete. They are usually positioned at specific locations as per the structural design requirements. Steel mesh, on the other hand, is laid on top of the formwork or within the concrete pour itself, providing reinforcement throughout the entire concrete structure. Both steel rebars and steel mesh have their own advantages and disadvantages. Rebars offer greater tensile strength and are ideal for applications where heavy loads or high amounts of force are expected. However, they can be more time-consuming and labor-intensive to install due to their individual placement and tying process. Steel mesh, on the other hand, offers easier and faster installation due to its continuous form, and it is more commonly used in smaller-scale projects or applications where lighter loads are expected. In summary, while both steel rebars and steel mesh serve the purpose of reinforcing concrete structures, they differ in terms of their design, installation method, and application. The choice between rebars and mesh depends on the specific structural requirements, project scale, and load expectations. Consulting with a structural engineer or construction professional is recommended to determine the most suitable reinforcement solution for a particular project.

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