Cold Rolled Rebar Coil CRB550
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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:Are steel rebars resistant to chemical exposure?
- Steel rebars are generally resistant to chemical exposure. The high strength and durability of steel make it less prone to corrosion and degradation when exposed to chemicals. However, there are certain chemicals that can still have a detrimental effect on steel rebars. Acids, such as sulfuric acid, can corrode steel and weaken its structure over time. Additionally, some highly alkaline substances can also cause corrosion in steel rebars. Therefore, while steel rebars are resistant to many chemicals, it is important to consider the specific chemical environment and take necessary precautions to protect them from potential damage.
- Q:How do steel rebars affect the overall sustainability of bridge constructions?
- Steel rebars play a crucial role in enhancing the overall sustainability of bridge constructions. By reinforcing the concrete structure, steel rebars improve the durability and strength of the bridge, allowing it to withstand heavy loads and harsh environmental conditions for an extended period. This increased lifespan reduces the need for frequent repairs or replacements, thereby minimizing resource consumption and waste generation. Additionally, steel rebars can be recycled at the end of their life cycle, reducing the environmental impact associated with their production. Hence, the use of steel rebars contributes to the long-term sustainability of bridge constructions.
- Q:How do steel rebars affect the overall maintenance requirements of a structure?
- Steel rebars play a crucial role in the overall maintenance requirements of a structure. They have a significant impact on the durability, strength, and longevity of a building. One of the primary functions of steel rebars is to reinforce concrete, providing additional strength and stability to the structure. By absorbing and distributing the tensile forces that occur within concrete, rebars help prevent cracking and structural failure. In terms of maintenance, the presence of steel rebars can greatly reduce the need for repairs and maintenance activities. Due to their high tensile strength, rebars enhance the structural integrity of a building, making it more resistant to external forces such as seismic activity, wind loads, and heavy loads. This added strength minimizes the likelihood of cracks, deformations, and other structural issues that may require costly repairs. Moreover, steel rebars also contribute to the overall durability of a structure. They are highly resistant to corrosion, which is a significant concern for the maintenance of concrete structures over time. Corrosion of rebars can lead to concrete spalling, cracking, and other forms of deterioration. However, the use of steel rebars with appropriate protective coatings can effectively prevent or minimize the corrosion process, reducing the maintenance requirements associated with corrosion-related issues. Furthermore, steel rebars are relatively easy to inspect and monitor for potential maintenance needs. Regular inspections can identify any signs of corrosion, damage, or misalignment of the rebars. Early detection of such issues allows for timely repairs or remedial actions, preventing further deterioration and extending the lifespan of the structure. In summary, steel rebars positively influence the overall maintenance requirements of a structure. They enhance the structural integrity, durability, and resistance to external forces, reducing the frequency and extent of maintenance activities. Additionally, their corrosion resistance and ease of inspection contribute to the long-term maintenance and preservation of the structure.
- Q:What is the weight of steel rebars per meter or foot?
- The weight of steel rebars per meter or foot can vary based on the size and type of rebar utilized. Standard steel rebars are typically accessible in different diameters, ranging from 6mm to 50mm. By multiplying the cross-sectional area of the rebar (measured in square meters or square feet) by the density of steel (approximately 7850 kilograms per cubic meter or 0.2836 pounds per cubic inch), one can ascertain the weight per meter or foot. To provide an example, let's examine a standard rebar with a diameter of 10mm. The cross-sectional area can be determined using the formula for the area of a circle (πr²), where r represents the radius of the rebar (5mm in this case). Assuming the unit of measurement is a meter, the cross-sectional area would equal π(0.01m)² = 0.000314 square meters. By multiplying this value by the density of steel, we arrive at 0.000314m² * 7850kg/m³ = 2.464 kilograms per meter. Similarly, if we were to calculate the weight in pounds per foot, we would convert the density of steel to pounds per cubic foot (approximately 490 pounds per cubic foot) and multiply the cross-sectional area by this figure. It is important to note that weight may slightly vary depending on the specific steel grade employed. Therefore, it is advisable to consult the manufacturer's specifications or a reliable reference for precise weight calculations.
- Q:What are the different sizes of steel rebars available in the market?
- The different sizes of steel rebars available in the market vary depending on the specific requirements of construction projects. Common sizes range from #3 (10mm) to #18 (57mm) in diameter, with various lengths available as well. These sizes are standardized and widely used in the industry to ensure structural integrity and compatibility with reinforced concrete applications.
- Q:Are steel rebars resistant to chemical exposure?
- Yes, steel rebars are generally resistant to chemical exposure due to their inherent corrosion resistance properties. However, certain aggressive chemicals or environments can still cause corrosion over time, making it necessary to choose the right type of rebar or provide additional protective measures to ensure long-term durability.
- Q:Can steel rebars be used in structures subjected to chemical exposure?
- Steel rebars can be used in structures subjected to chemical exposure, but their suitability depends on the specific type and concentration of chemicals involved. In general, stainless steel rebars or epoxy-coated rebars are preferred for such applications as they provide better resistance to corrosion and chemical attack compared to plain carbon steel rebars. However, it is important to conduct a thorough evaluation of the chemical environment and consult with experts to determine the most appropriate rebar material for the specific structure and its intended use.
- Q:What is the role of steel rebars in preventing concrete cracking?
- Steel rebars play a crucial role in preventing concrete cracking by providing reinforcement and enhancing the overall strength and durability of concrete structures. When concrete undergoes tensile stress, it tends to crack due to its low tensile strength. However, steel rebars, which are typically embedded within the concrete, act as a reinforcement by absorbing and distributing these tensile forces throughout the structure. The presence of steel rebars in concrete helps to counteract the natural tendency of concrete to crack under tension. When a load is applied to the concrete, the rebars bear a significant portion of the tensile stress, preventing it from being solely concentrated on the concrete matrix. This distribution of forces helps to minimize the formation and propagation of cracks, ensuring the structural integrity of the concrete. Moreover, steel rebars also contribute to the overall strength and durability of concrete structures. The combination of steel's high tensile strength and concrete's compressive strength results in reinforced concrete, which exhibits superior resistance to various external forces such as bending, shear, and seismic loads. This added strength makes the concrete less susceptible to cracking and enhances its ability to withstand heavy loads and environmental factors over time. In summary, steel rebars play a crucial role in preventing concrete cracking by providing reinforcement, absorbing and distributing tensile forces, and enhancing the overall strength and durability of concrete structures. Their presence significantly improves the structural integrity and longevity of concrete, making it a reliable and widely used construction material.
- Q:How do steel rebars contribute to the overall seismic resistance of a structure?
- Steel rebars play a crucial role in enhancing the overall seismic resistance of a structure. During an earthquake, a structure undergoes significant lateral forces and vibrations. These forces can cause the structure to deform or even collapse if not properly addressed. Steel rebars, also known as reinforcement bars, are used to reinforce concrete structures and provide added strength and stability. One of the primary contributions of steel rebars is their ability to absorb and distribute seismic energy. When an earthquake occurs, the rebars act as a backbone within the concrete, absorbing the seismic forces and preventing the structure from experiencing excessive deformation. The rebars help to distribute the energy throughout the structure, reducing localized stress and preventing concentrated damage. Furthermore, steel rebars improve the ductility of a structure. Ductility refers to the ability of a material to deform without fracturing. During an earthquake, the ground shakes, causing the structure to sway. Steel rebars enhance the ductility of concrete by providing an additional pathway for the energy to dissipate. This allows the structure to absorb and dissipate the seismic energy by deforming in a controlled manner, ensuring that it remains intact and minimizes damage. Moreover, steel rebars increase the tensile strength of concrete. Concrete is strong in compression but weak in tension. The inclusion of steel rebars counteracts this weakness by providing tensile strength to the structure. When an earthquake occurs, the rebars bear the tensile forces and prevent the concrete from cracking or collapsing under tension. This reinforcement ensures that the structure remains stable and resilient during seismic events. In summary, steel rebars contribute significantly to the overall seismic resistance of a structure by absorbing and distributing seismic energy, enhancing ductility, and increasing the tensile strength of concrete. Their inclusion in the construction process ensures that the structure can withstand the lateral forces and vibrations caused by earthquakes, reducing the risk of damage or collapse.
- Q:What is the minimum cover required for steel rebars in concrete?
- The minimum cover required for steel rebars in concrete typically depends on the structural design and the intended exposure conditions. However, as a general guideline, the minimum cover requirement for steel rebars in concrete is usually specified as 1.5 inches (38 millimeters) for normal indoor or dry conditions, and may increase to 2 inches (51 millimeters) or more for harsher outdoor or corrosive environments. It is essential to consult the relevant building codes, standards, and engineering professionals to determine the specific minimum cover requirement for a particular project.
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Cold Rolled Rebar Coil CRB550
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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