Cold Rolled Rebar Coil CRB550

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Grade	Size	Wire	Standard
CRB550	Diameter：5.5-12mm	Size：5.5-12mm	GB13788-2008
	Length：2m-9m

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 Hot Rolled Steel Rebar:

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 terms: TT payment in advance or Irrevocable LC at sight.

Trade terms :FOB, CFR, CIF

Label:to be specified by customer, generally, each bundle has 1-2 labels

Steel Rebar in stock

Q: What is the purpose of steel rebars?: The purpose of steel rebars is to reinforce and strengthen concrete structures. Rebars, also known as reinforcing bars, are steel rods or wires that are used to provide additional strength to concrete by acting as a tension device. When embedded within the concrete, rebars help to distribute the applied loads more evenly, preventing the concrete from cracking or failing under pressure. This reinforcement is particularly important in structures such as buildings, bridges, and highways that are subjected to heavy loads or potential stress, as it enhances their durability and structural integrity. Steel rebars are widely used in construction projects as they are strong, durable, and resistant to corrosion, making them an essential component for ensuring the long-term stability and safety of concrete structures.

Q: Can steel rebars be used in structures with high electrical conductivity requirements?: Steel rebars cannot be utilized in structures that demand high electrical conductivity. Although steel is a remarkably conductive substance, its implementation as reinforcement in concrete structures involves encasing it within the concrete, thus eliminating any direct electrical pathway. Consequently, steel rebars do not contribute to the overall electrical conductivity of the structure. In cases where high electrical conductivity is necessary, it is advisable to explore alternative materials like copper or aluminum. These materials possess significantly higher electrical conductivity characteristics, enabling them to fulfil the requirements of structures with elevated electrical conductivity demands.

Q: How do steel rebars improve the durability of concrete structures?: Concrete structures can be made more durable in various ways through the use of steel rebars. Firstly, steel rebars act as reinforcement, adding strength and stability to the structure. When combined with concrete, the high tensile strength of steel rebars helps resist cracking and prevent collapse under heavy loads or seismic activities. Secondly, steel rebars assist in controlling the formation and spread of cracks in concrete structures. Concrete is strong in compression but weak in tension, making it prone to cracking under tensile forces. By strategically placing steel rebars within the concrete, cracks are minimized and prevented from spreading, thereby improving the overall durability of the structure. Furthermore, steel rebars enhance the resistance of concrete structures against corrosion. The highly alkaline nature of concrete forms a protective layer around the steel rebars, preventing rust. This corrosion resistance ensures the rebars maintain their structural integrity over time, reducing the risk of deterioration and enhancing the longevity of the concrete structure. Moreover, steel rebars also increase the fire resistance of concrete structures. With their high melting point, steel rebars can withstand high temperatures, preventing the concrete from losing its structural integrity during a fire. This additional fire resistance ensures the stability and safety of the concrete structure in case of a fire, further enhancing its durability. In conclusion, the inclusion of steel rebars significantly enhances the durability of concrete structures by providing added strength, controlling cracks, improving corrosion resistance, and increasing fire resistance. These advantages contribute to the longevity and safety of concrete structures, making them more reliable and sustainable in the long term.

Q: What is the impact of steel rebars on the overall acoustic performance of a structure?: Steel rebars have a minimal impact on the overall acoustic performance of a structure. While they may transmit some vibration and sound, their presence is generally overshadowed by other elements such as walls, floors, and ceilings. Additionally, the use of proper insulation materials and construction techniques can effectively mitigate any potential acoustic disturbances caused by steel rebars.

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: How do steel rebars affect the electrical conductivity of a structure?: The electrical conductivity of a structure is not significantly influenced by steel rebars. Despite steel being an excellent conductor of electricity, the presence of rebars in a structure does not have a substantial effect on its overall electrical conductivity. This is because the rebars are typically surrounded by concrete, which is a poor conductor of electricity. Consequently, the concrete acts as an insulator, preventing the flow of electrical current through the rebars. However, it is important to note that if there are any direct electrical connections or installations attached to the steel rebars, such as grounding systems, these can influence the electrical conductivity within that particular area. In conclusion, the presence of steel rebars in a structure does not significantly impact its overall electrical conductivity.

Q: Can steel rebars be used in lightweight concrete construction?: Yes, steel rebars can be used in lightweight concrete construction. In fact, they are commonly used to reinforce lightweight concrete structures such as walls, beams, and columns. The addition of steel rebars provides tensile strength to the concrete, making it more resistant to cracking and structural failure. Lightweight concrete, which typically has a lower density than traditional concrete, can benefit from the use of steel rebars as they help to counteract the lower strength and reduce the risk of deformation under load. However, it is important to choose the appropriate size and spacing of rebars based on the specific requirements and design of the lightweight concrete structure.

Q: What is the maximum spacing allowed between steel rebars in concrete?: The maximum spacing allowed between steel rebars in concrete depends on various factors such as the size of the rebars, the type of structure, and the design requirements. However, in general, the maximum spacing between rebars is typically limited to three times the diameter of the rebars. This ensures adequate reinforcement and structural integrity of the concrete.

Q: Can steel rebars be used in the construction of shopping complexes?: Yes, steel rebars can be used in the construction of shopping complexes. Steel rebars are commonly used in the construction industry to reinforce concrete structures, providing strength and durability. In shopping complex construction, steel rebars are used to reinforce columns, beams, and slabs, ensuring the structural integrity of the building.

Q: How do steel rebars comply with building codes and regulations?: Steel rebars comply with building codes and regulations by meeting the specific requirements outlined for their use in construction projects. Building codes and regulations are established to ensure the safety, durability, and structural integrity of buildings. Here are a few ways steel rebars comply with these codes and regulations: 1. Material Standards: Steel rebars must meet certain material standards set by the building codes. These standards specify the type, grade, and quality of steel allowed for construction purposes. For example, the American Society for Testing and Materials (ASTM) has established standards for steel rebars, such as ASTM A615, which outlines the requirements for deformed and plain carbon-steel bars. 2. Size and Shape: Building codes specify the dimensions and shape of rebars to be used in different structural elements, such as beams, columns, and slabs. Steel rebars must comply with these size and shape requirements to ensure proper fit and structural integrity. 3. Placement and Spacing: Building codes dictate the proper placement and spacing of rebars within concrete structures. These codes specify the minimum and maximum distances between rebars, as well as the cover requirements (distance from the surface of the concrete). Compliance with these regulations helps enhance the strength and durability of the structure. 4. Welding and Connection: If welding or connecting rebars is necessary, building codes provide guidelines on the proper welding techniques and requirements. These regulations ensure that the welded or connected rebars provide the necessary strength and stability to the structure. 5. Testing and Certification: Steel rebars need to undergo various tests to ensure compliance with building codes and regulations. These tests include tensile strength, yield strength, elongation, and bending tests. Products that pass these tests are certified as compliant and can be used in construction projects. By adhering to these building codes and regulations, steel rebars contribute to the overall safety and integrity of the structures they are used in. Compliance ensures that the rebars meet the necessary standards and perform their intended function effectively.

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