Construction iron rod hot rolled for sale

Construction iron rod hot rolled for sale

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 17497 m.t./month

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Item specifice

Standard:

AISI

Technique:

Hot Rolled

Shape:

Round

Surface Treatment:

Dry

Steel Grade:

RHB335,HRB400

Certification:

ISO,CE

Thickness:

6-38mm

Length:

6M/12M

Net Weight:

1-2 MT

Steel rebar is bars of steel commonly used in construction, especially for reinforcing concrete structures such as driveways,

foundations, walls, and columns. These bars come in different sizes and strength grades, and can be smooth or may include

deformations that provide greater adhesion for concrete poured over the bars. When used in poured concrete, the bars are

typically placed in a grid pattern, the concrete poured over them, and then readjusted to maintain the proper shape while the

concrete sets. Steel rebar can be purchased from a number of manufacturers and is often found at construction retailers or

large hardware stores

Product Description :

Chemical composition (%):	Steel		C		Si	Mn		P	S		Ceq
	HRB335		0.25		0.80	1.60		0.045	0.045		0.52
	HRB400										0.54
	HRB500										0.55
Mechanical properties	Steel	Rel/ MPa		Rm/ MPa			A/ %			Agt/ %
		≥
	HRB335	335		455			17			7.5
	HRB400	400		540			16
	HRB500	500		630			15
Package:	Standard export packing or as customer's request
Application:	Construction, building, bridge, road. ect
Payment terms	1).100% irrevocable L/C at sight. 2).30% T/T prepaid and the balance against the copy of B/L. 3).30% T/T prepaid and the balance against L/C
Delivery time	15-30 days after receipt of L/C or deposit by T/T

Construction iron rod hot rolled for sale

Features

1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.

Packing:

In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.

Construction iron rod hot rolled for sale

FAQ:

1.Q: What's your MOQ(minimum order quantity)?

A: One full container, mixed acceptable .

2. Q: What's your packing methods?

A: Packed in bundle or bulk ..

3. Q: How can I buy CNBM products in my country?

A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country

4. Q: Can we visit your factory?

A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

5. Q: How long does it take to get the product if i place an order?

A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations

Q:Are steel rebars suitable for use in structures with high resistance to impact?: Steel rebars are generally suitable for use in structures with high resistance to impact. Rebars, also known as reinforcement bars, are made from steel and are commonly used in concrete structures to enhance their strength and durability. Steel is known for its high tensile strength and ability to absorb and distribute impact forces, making it an ideal material for reinforcement. In structures that are prone to impact, such as bridges, highways, or buildings located in earthquake-prone areas, steel rebars play a critical role in providing additional strength and resistance. The use of rebars ensures that the structure can withstand sudden impact loads and prevent catastrophic failures. Moreover, steel rebars are available in various grades and sizes, allowing engineers to select the appropriate type of rebar based on the specific requirements of the structure. Higher grade rebars, such as Grade 60 or Grade 75, offer increased strength and ductility, making them even more suitable for structures with high resistance to impact. It is important to note that while steel rebars enhance the overall strength and impact resistance of a structure, other factors such as design, construction techniques, and maintenance also play vital roles in ensuring the structure's ability to withstand impact forces. Therefore, a comprehensive approach that considers all these factors is essential in designing and constructing structures with high resistance to impact.

Q:Can steel rebars be used in historical buildings restoration?: Indeed, the utilization of steel rebars is applicable in the restoration of historical buildings. These rebars, commonly employed in construction, are capable of providing structural reinforcement to fortify the existing structures of such buildings. Through careful implementation, the integration of steel rebars can effectively restore stability and integrity while preserving the historical significance of these structures. Nevertheless, it is crucial to consider the specific requirements and guidelines for restoring historical buildings, thus ensuring that the use of steel rebars does not compromise the authenticity or aesthetic value of the structure. Successful incorporation of steel rebars in the restoration process necessitates proper planning, consultation with preservation experts, and adherence to conservation principles.

Q:What are the different methods for attaching steel rebars to existing structures?: Attaching steel rebars to existing structures can be done using various methods, depending on the project's specific requirements and conditions. Some commonly used methods include: 1. Utilizing welding techniques: By employing welding techniques, rebars can be securely attached to the existing structure. This method offers a robust and long-lasting connection, but it necessitates skilled labor and may not be applicable in all situations. 2. Employing epoxy bonding: Epoxy adhesives can be utilized to bond rebars to existing structures. This method is simple to apply and provides a reliable connection, particularly when the rebars are embedded in concrete. However, it is crucial to ensure proper surface preparation and adhere to the manufacturer's instructions for optimal results. 3. Utilizing mechanical anchoring: Rebars can be attached to existing structures using mechanical anchors like anchor bolts or expansion anchors. This method involves drilling holes into the structure and inserting the anchor, which ensures a secure connection. Selecting the appropriate anchor type and size based on the load requirements and structural conditions is essential. 4. Employing clamping or fastening: In some instances, clamps or fasteners can be used to attach rebars to existing structures. This method is relatively quick and easy to install, but it may not provide as strong of a connection as welding or epoxy bonding. 5. Overlapping rebars: When reinforcing existing concrete structures, rebars can be overlapped with the existing reinforcement and tied together using wire or other methods. This method is commonly employed in construction to maintain reinforcement continuity and enhance load-carrying capacity. It is crucial to consult with structural engineers or professionals experienced in rebar installation to determine the most suitable method for attaching steel rebars to existing structures. They will consider factors such as structural integrity, load requirements, and local building codes to ensure a safe and effective connection.

Q:How do steel rebars impact the overall flexibility of a structure?: Steel rebars, also known as reinforcing bars, play a crucial role in enhancing the overall flexibility of a structure. These bars are typically used in reinforced concrete structures to provide tensile strength and improve the structural integrity of the building. The incorporation of steel rebars in concrete significantly increases the flexibility of a structure. Concrete itself is strong in compression but weak in tension. By integrating rebars, the structure becomes more capable of withstanding tensile forces and resisting bending or deformation caused by external loads or environmental factors. The rebars act as reinforcement by absorbing and distributing tensile forces throughout the structure, helping to prevent cracks and ensuring a more even distribution of stress. This is particularly important in areas prone to seismic activity or high wind loads, where structures need to be able to flex and absorb the energy exerted on them. Moreover, the presence of steel rebars also allows for the creation of thinner and lighter concrete sections. This contributes to the overall flexibility of the structure by reducing the dead load, making it more responsive and adaptable to different conditions. In summary, steel rebars greatly impact the overall flexibility of a structure by providing tensile strength, preventing cracks, distributing stress, and allowing for lighter and thinner concrete sections. By enhancing the structural integrity and resilience, the inclusion of rebars ensures that the building can withstand external forces while maintaining its stability and flexibility, ultimately contributing to its longevity and safety.

Q:What are the factors that affect the cost of steel rebars?: The factors that affect the cost of steel rebars include the price of raw materials, such as iron ore and coal, as well as the cost of energy and transportation. Other factors include market demand, global economic conditions, and the level of competition among steel manufacturers. Additionally, any government policies, tariffs, or trade restrictions can also influence the cost of steel rebars.

Q:Can steel rebars be used in road construction projects?: Yes, steel rebars can be used in road construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including roads. They help to increase the overall strength and durability of the road by reinforcing the concrete. The rebars are typically placed within the concrete pavement to provide tensile strength and prevent cracking or breaking under heavy loads. Additionally, steel rebars are corrosion-resistant, which is essential for road construction projects where exposure to moisture and harsh weather conditions is common. Overall, using steel rebars in road construction projects enhances the structural integrity and longevity of the road.

Q:How do steel rebars affect the overall lifespan of a structure?: Steel rebars can significantly enhance the overall lifespan of a structure. By providing reinforcement and increasing the structural strength, rebars help the structure withstand external forces, such as earthquakes or heavy loads, thus reducing the risk of collapse or structural failure. Additionally, rebars prevent cracks and minimize the effects of corrosion, ensuring the longevity and durability of the structure.

Q:How do steel rebars perform in extreme temperature conditions?: Steel rebars excel in extreme temperature conditions due to their high thermal conductivity and low coefficient of thermal expansion, enabling efficient heat transfer and resistance against deformation caused by temperature fluctuations. Under exceedingly high temperatures, steel rebars maintain their strength and structural integrity, possessing a high melting point that allows them to retain their properties even in intense fire scenarios. As a result, they are ideal for reinforcing buildings, bridges, and tunnels where fire resistance is crucial. Similarly, in extremely low temperatures, steel rebars exhibit admirable performance. Unlike certain materials, steel does not become brittle or weaken in cold conditions. Consequently, it is well-suited for use in cold climates and regions experiencing frequent freeze-thaw cycles. Moreover, steel rebars boast exceptional durability, enduring extreme temperature fluctuations without significant degradation. Their minimal expansion and contraction help uphold the stability and longevity of reinforced structures. However, it is important to acknowledge that extreme temperatures can still impact steel rebars to some extent. In very high temperatures, steel may undergo slight thermal expansion, causing minor stresses in the surrounding concrete. Similarly, in very low temperatures, slight contraction may occur, but these effects remain minimal and well within acceptable limits. Overall, steel rebars present a dependable choice for reinforcing structures in extreme temperature conditions, offering outstanding strength, durability, and fire resistance.

Q:What are the different methods of joining steel rebars?: There is a range of methods available for joining steel rebars, each with its own set of advantages and disadvantages. Here, we present the most common techniques: 1. Lap Splicing: The most widely used method for joining rebars is lap splicing. It entails overlapping two rebars and securing them together with wire or metal ties. This approach is cost-effective and straightforward, but it necessitates longer lap lengths to achieve the required strength. 2. Mechanical Splicing: Mechanical splicing involves connecting rebars using mechanical couplers or splices. These couplers are specifically designed to establish a strong and dependable connection between the rebars. Mechanical splicing enables quicker installation and reduces the need for lengthy overlaps. However, it may be more costly compared to lap splicing. 3. Welding: Another option for joining steel rebars is welding. This process involves heating the rebars and fusing them together using electric arcs or gas flames. Welding creates a robust and permanent connection, but it requires skilled labor and specialized equipment. It is commonly employed in precast concrete applications. 4. Bolted Connections: Bolted connections utilize bolts and nuts to join the rebars. This method offers a flexible and adjustable connection, making it suitable for certain applications. However, bolted connections necessitate additional hardware and may not be as strong as other methods. 5. Adhesive Bonding: Adhesive bonding involves using epoxy or other adhesives to join rebars. The adhesive is applied to the rebars, and they are pressed together until the adhesive cures and forms a strong bond. Adhesive bonding provides a clean and aesthetically pleasing finish, but it may not offer the same level of strength as other methods and is more suitable for non-structural applications. It is essential to consider factors such as specific project requirements, structural design, and construction techniques when selecting a joining method. Consulting with structural engineers and adhering to industry standards and codes is crucial to ensure the appropriate selection and implementation of the joining method for steel rebars.

Q:How do steel rebars resist fatigue and cyclic loading?: Steel rebars resist fatigue and cyclic loading due to their high tensile strength and ductility. The presence of reinforcing bars in concrete structures helps to distribute the applied loads more effectively, preventing localized stress concentrations. The steel rebars can absorb and dissipate energy through their ability to deform elastically, which helps to withstand repeated loading cycles without failure. Additionally, the surface properties of rebars can be enhanced through various treatments, such as galvanizing or epoxy coating, which provide extra protection against corrosion and further improve their resistance to fatigue and cyclic loading.

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