A615 deformed steel bar deformed steel bar

A615 deformed steel bar deformed steel bar System 1

A615 deformed steel bar deformed steel bar

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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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Packaging & Delivery

Packaging Detail:	In bundles (standard export package or as per clients' requirement)
Delivery Detail:	According to the actual order quantity

Specifications

Standard: ASTM, GB, JIS, BS, AISI
Grade: HRB400, HRB335
Application: Construction, shipping, building material

Product Description

Type	steel rebar
Standard Grade	a. GB1499.2-2007, HRB335, HRB400, etc.
	b. ASTM A615 Gr.40, Gr.60, etc.
	c. BS4449, etc. d. JISG3112-SD390
Diameter	6mm-32mm etc. as per customers' requirement
Length	6m, 8m, 9m,12m as standard
Application	Construction, shipping, building material
Packing	standard export packing, or as per customers' requirement
Quality	First quality
Delivery time	Right now after the deposit.
Others	1. our products conform to all the standards
	2. we can offer special specification products as per our customers
	3. we can offer the original mill test certificate and original product

1.Diameter:6mm-32mm
2.Material:BS4449 Grade 460B,ASTM A615 GR60
3.Length:6-12meters

1. Length: 6m-12m as standard.
2. Reputation first, best competitive price, high quality, quotes price promptly and confirm the delivery on time!

3. Application : Used for housing construction.

4. PRICE: Keep lower operating costs so as to offer competitive price for our clients.

5. Minimum Order Quantity: 300 MTS as per size.
6. Invoicing: Actual or Theoretical Weight Basis as buyer’s request.
7. Payment terms: TT payment in advance or irrevocable LC at sight.

8. Delivery time: 25-30 days after we receive your TT payment at sight

Steel Rebar / Deformed Bar / Reinforcing Bar

FAQ:

Q1: How do we guarantee the quality of our products?

A1: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q2: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q: Are steel rebars suitable for reinforcement in parking garages?: Yes, steel rebars are suitable for reinforcement in parking garages. Steel rebars provide the necessary strength and durability to support the weight of vehicles and withstand the various loads and stresses experienced in parking garage structures.

Q: Can steel rebars be used in structures with high resistance to vibration?: Yes, steel rebars can be used in structures with high resistance to vibration. Steel rebars are commonly used as reinforcement in concrete structures to increase their strength and durability. The use of steel rebars enhances the structural integrity of a building or infrastructure, making it more resistant to various forces, including vibrations. Steel rebars possess excellent tensile strength and stiffness, which allows them to absorb and distribute the applied loads evenly throughout the structure. This property helps to minimize localized stress concentrations that could lead to vibrations or structural failure. Additionally, steel rebars can effectively control the crack widths and prevent the propagation of cracks, further enhancing the structure's resistance to vibrations. Moreover, steel rebars can be designed to meet specific requirements based on the expected vibration levels. By utilizing rebars with appropriate diameters, spacing, and anchorage details, the structure can be engineered to withstand vibrations caused by various external factors, such as earthquakes, wind loads, or nearby machinery. It is crucial to ensure proper design and detailing of steel rebars in structures with high resistance to vibration. The reinforcement layout should be carefully planned to account for the anticipated forces and vibrations. Additionally, the rebars should be adequately anchored and connected to other structural members to maintain their effectiveness in resisting vibrations. Overall, steel rebars are a reliable and widely-used reinforcement material that can significantly enhance the resistance of structures to vibrations when designed and implemented correctly.

Q: What are the recommended practices for welding steel rebars?: The recommended practices for welding steel rebars include ensuring proper surface preparation to remove any contaminants, selecting the appropriate welding process (such as shielded metal arc welding or gas metal arc welding), using the correct electrode or filler material, maintaining the appropriate welding parameters (current, voltage, travel speed), and performing regular inspections to ensure the quality and integrity of the welds. It is also important to follow safety guidelines, such as wearing appropriate protective equipment and working in a well-ventilated area.

Q: What are the guidelines for spacing steel rebars in reinforced concrete?: Spacing steel rebars in reinforced concrete structures can vary depending on factors such as structural design requirements, load-bearing capacity, and the size and shape of concrete elements. However, there are some general guidelines that can be followed to ensure proper spacing and reinforcement. 1. Rebar spacing: The recommended spacing between steel rebars in reinforced concrete is typically three to six times the diameter of the bars. For example, if the rebar diameter is 12mm, the spacing should be between 36mm and 72mm. This spacing allows for adequate concrete cover and allows the concrete to flow freely around the reinforcement, ensuring optimal strength and durability. 2. Minimum spacing: To prevent rebars from being too close to each other, minimum spacing requirements are in place. This is to avoid inadequate concrete cover and hindered flow of concrete during construction. The minimum spacing between parallel bars is generally specified to be around 25mm or more. 3. Maximum spacing: On the other hand, there are also maximum spacing requirements to ensure sufficient reinforcement and prevent excessive cracking or failure of the concrete structure. The typical maximum spacing is around 300mm, although this may vary based on specific design requirements and the size of the concrete element being reinforced. 4. Spacing around corners and bends: Special attention should be given to rebars' spacing around corners and bends in reinforced concrete elements. The spacing should be reduced in these areas to provide adequate reinforcement and prevent cracks or weak points. In general, the spacing around corners and bends should be less than the recommended spacing for straight sections. 5. Spacing in heavily loaded areas: In areas subjected to heavy loads or high-stress concentrations, such as columns, beams, or foundations, closer spacing of rebars is necessary to provide sufficient reinforcement. The spacing in these areas is typically reduced to ensure structural integrity and prevent failure. It is important to note that these guidelines are general recommendations, and specific projects may have unique requirements based on structural design and local building codes. Therefore, consulting with a structural engineer or following the specifications provided by the project's design professionals is crucial to ensure the proper spacing of steel rebars in reinforced concrete structures.

Q: Can steel rebars be used in structures exposed to extreme temperatures?: Yes, steel rebars can be used in structures exposed to extreme temperatures. Steel has high thermal conductivity, which allows it to transfer heat quickly, minimizing the risk of structural damage due to thermal expansion or contraction. However, it is essential to consider the specific temperature range and the potential impact on the structural integrity of the rebar. In extremely high temperatures, other materials or protective measures may be necessary to ensure the stability and safety of the structure.

Q: Can steel rebars be used in offshore oil and gas platform construction?: Yes, steel rebars can be used in offshore oil and gas platform construction. Steel rebars are commonly used as reinforcement in concrete structures, including offshore platforms. They help to increase the strength and durability of the concrete, making it more resistant to the harsh conditions found in offshore environments such as strong winds, waves, and corrosive saltwater. The use of steel rebars in offshore platform construction ensures the structural integrity of the platform, providing a safe and reliable structure for oil and gas extraction operations. Additionally, steel rebars can be designed and manufactured to meet specific industry standards and requirements, ensuring their suitability for offshore applications.

Q: Can steel rebars be used in other construction materials apart from concrete?: Yes, steel rebars can be used in other construction materials apart from concrete. They can also be utilized in masonry structures, timber frames, and even in composite materials. The high strength and durability of steel rebars make them suitable for reinforcing various construction materials, enhancing their structural integrity and load-bearing capacity.

Q: What is the effect of steel rebars on the weight of a structure?: Steel rebars have a notable impact on the weight of a structure. Typically composed of steel, these reinforcement bars possess a high strength-to-weight ratio. When integrated into a structure, they bestow strength and rigidity without significantly augmenting the overall weight. By reinforcing concrete with steel rebars, the structure becomes more capable of withstanding diverse forces and stresses, including tension, compression, bending, and shearing. This reinforcement empowers the structure to bear heavier loads and elevates its durability and longevity. While steel rebars confer strength to the structure, they do not make a considerable contribution to its weight. Consequently, this is advantageous as it facilitates the construction of lighter and more efficient structures. The reduced weight presents several benefits, such as lower construction expenses, diminished material requirements, decreased transportation costs, and improved seismic performance. Furthermore, the utilization of steel rebars also permits the construction of slimmer and visually pleasing structures. The heightened strength provided by the rebars allows for the employment of thinner concrete sections, leading to sleek designs and more open spaces. In conclusion, the effect of steel rebars on the weight of a structure is minimal. Instead, their principal role lies in enhancing the structural integrity, strength, and durability of the edifice without burdening it with excessive weight.

Q: What are the common defects found in steel rebars?: There are several common defects that can be found in steel rebars. One common defect is surface cracks, which can occur during the manufacturing process or due to improper handling and storage. These cracks can compromise the strength and integrity of the rebars and may lead to failure under load. Another common defect is corrosion, which can occur when the rebars are exposed to moisture or chemicals. Corrosion can weaken the rebars and reduce their load-bearing capacity, making them more susceptible to failure. Bending and straightening defects are also frequently observed in steel rebars. Improper bending or straightening can lead to cracks, buckling, or uneven stress distribution, compromising the rebars' performance. Inadequate welding or improper lapping of rebars can result in poor connections and reduced structural integrity. Welding defects such as lack of fusion, incomplete penetration, or excessive porosity can weaken the rebars and increase the risk of failure. Dimensional defects, such as variations in diameter, length, or straightness, can affect the rebars' fit and compatibility with other structural components. If rebars are not properly aligned or do not meet the required dimensions, it can lead to reduced structural strength and compromised performance. Lastly, improper heat treatment during the manufacturing process can result in internal defects such as segregation, inclusions, or improper grain structure. These defects can weaken the rebars and make them more prone to fracture or failure under load. Overall, it is essential to carefully inspect steel rebars for these common defects to ensure the structural integrity and safety of the construction projects they are used in.

Q: How do steel rebars contribute to the strength of a structure?: Steel rebars contribute to the strength of a structure by reinforcing the concrete. The rebars act as a skeleton, providing tensile strength to counteract the concrete's weakness in tension. This reinforcement prevents cracks and structural failure, enhancing the overall strength and durability of the structure.

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