ASTM A615 deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Usage and Applications of Construction
1. Construction steel round bar is mostly used for straight bundles supply, and used for steel, bolts and various mechanical parts. While the bigger round bar, or more than 25mm hot rolled bar, is mainly for the manufacture of mechanical parts or for seamless steel billet.
2. Steel round bar is used in construction and a large number of architectural and engineering structures.
3. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.
Packaging & Delivery
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 45 days
Trade terms: FOB, CFR, CIF
MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship
- Q:What is the effect of steel rebars on the durability of concrete structures?
- Steel rebars have a significant positive effect on the durability of concrete structures. By reinforcing the concrete, rebars enhance its tensile strength and resistance to cracking and deformation. This added strength helps to prevent structural failures and increases the longevity of the concrete, making it more resistant to environmental factors such as corrosion, earthquakes, and heavy loads. Overall, steel rebars play a crucial role in ensuring the durability and long-term stability of concrete structures.
- Q:What is the impact of steel rebars on the overall maintenance of a building?
- The overall maintenance of a building is significantly influenced by steel rebars. These reinforced steel bars are widely used in construction to provide strength and stability to concrete structures. The presence of rebars improves the building's structural integrity, making it more resistant to external forces like earthquakes, wind, and heavy loads. Using steel rebars has several key benefits, one of which is their ability to prevent cracking and minimize structural failures. By reinforcing the concrete, rebars evenly distribute the load, reducing stress on the building. This helps prevent the formation and spread of cracks that can compromise the structural stability and result in costly repairs. Additionally, steel rebars play a crucial role in increasing the durability and lifespan of a building. They add strength to the concrete, making it more resistant to wear and tear over time. This means less frequent maintenance and repairs, leading to cost savings for the owners. When it comes to maintenance, properly installed steel rebars require minimal attention. However, regular inspection and maintenance are necessary to ensure their continued effectiveness. This includes checking for signs of corrosion, which can weaken the rebars and compromise the building's structural integrity. Protective coatings or regular cleaning can be used to prevent corrosion and extend the rebars' lifespan. In conclusion, steel rebars have a positive impact on a building's overall maintenance. They enhance structural integrity, prevent cracking, and increase durability, resulting in reduced maintenance needs and a longer lifespan. Regular inspection and maintenance of rebars are crucial to ensure effectiveness and mitigate potential issues such as corrosion.
- Q:What is the process of testing the quality of steel rebars?
- The process of testing the quality of steel rebars involves several steps. First, the rebars are visually inspected for any surface defects, such as cracks or corrosion. Then, they are subjected to various mechanical tests, including tensile strength and elongation tests, to determine their mechanical properties. Additionally, rebars are checked for their dimensional accuracy, weight, and straightness. Finally, chemical composition analysis is conducted to ensure that the steel meets the required standards and specifications. Overall, this comprehensive testing process helps ensure the quality and reliability of steel rebars for use in construction and other applications.
- Q:How do steel rebars prevent the concrete from cracking under tension?
- Steel rebars reinforce concrete and increase its structural integrity, preventing cracking under tension. Concrete has low tensile strength and tends to crack when subjected to tensile forces. However, when steel rebars are embedded in the concrete, they absorb and distribute these forces, acting as reinforcement. Typically made of high-strength steel, the rebars have a much higher tensile strength compared to concrete. As a result, when the concrete is under tension, the rebars bear most of the load, preventing cracking. The rebars act as a framework or skeleton within the concrete, resisting the tensile forces and ensuring its structural stability. Furthermore, the bond between the steel rebar and the concrete also plays a role in preventing cracking under tension. The ribbed or deformed surface of the rebars enhances the bond with the surrounding concrete, creating a strong connection. This bond allows the rebars to transfer the tensile forces to the concrete matrix more effectively, reducing the risk of cracking. By reinforcing the concrete, steel rebars help distribute the tensile forces evenly throughout the structure. This prevents localized stress concentrations and minimizes the chances of cracks forming. Additionally, if cracks do occur, the presence of rebars can help control their propagation by acting as barriers that restrict further spread. In conclusion, steel rebars provide reinforcement, increase the strength of concrete, and prevent cracking under tension. They bear the tensile forces, distribute them evenly, and enhance the bond between the rebar and the concrete. This reinforcement ensures the structural integrity of the concrete and helps prevent cracking.
- Q:How are steel rebars protected against alkali attacks?
- Steel rebars are protected against alkali attacks through the use of various techniques and materials. One common method is to apply a protective coating on the surface of the rebars. This coating acts as a barrier, preventing direct contact between the alkaline environment and the steel. Some commonly used coatings include epoxy, zinc, and polyethylene. These coatings are designed to be durable and provide long-term protection against alkali attacks. Another method of protection is through the use of corrosion inhibitors. These inhibitors are added to the concrete mixture during construction. They work by reducing the corrosive effects of alkali on the steel rebars. Corrosion inhibitors form a protective film on the surface of the steel, preventing the alkali from reaching the rebar and causing damage. In addition to coatings and corrosion inhibitors, proper concrete mix design can also play a significant role in protecting rebars against alkali attacks. By optimizing the composition of the concrete mix, engineers can reduce the alkalinity of the environment surrounding the rebars. This helps to minimize the risk of alkali attacks and subsequent corrosion. Regular maintenance and inspection of structures is crucial in ensuring the continued protection of steel rebars against alkali attacks. Monitoring the condition of the rebars and taking prompt action in case of any signs of corrosion or damage is essential for their long-term durability. Overall, a combination of protective coatings, corrosion inhibitors, proper concrete mix design, and regular maintenance are key factors in safeguarding steel rebars against alkali attacks. By implementing these measures, the lifespan and structural integrity of concrete structures can be significantly extended.
- Q:What is the maximum length of steel rebars available?
- The maximum length of steel rebars available can vary depending on the manufacturer and supplier. However, in most cases, the standard maximum length of steel rebars is around 60 feet or 18 meters.
- Q:How are steel rebars cut and bent on-site?
- Steel rebars are cut and bent on-site using specialized equipment such as rebar cutters and benders. The rebars are measured, marked, and then cut to the required length using the cutter. After cutting, the rebars are placed into the bender machine where they are bent to the desired shape or angle. This process ensures that the rebars are tailored to fit the specific construction requirements of the project.
- Q:Can steel rebars be used in road and bridge construction?
- Yes, steel rebars can be used in road and bridge construction. Steel rebars provide structural integrity and strength to reinforce concrete structures, making them suitable for use in the construction of roads and bridges. They enhance the durability, load-bearing capacity, and resistance to cracking and deformation in these infrastructure projects.
- Q:Can steel rebars be used in modular construction?
- Yes, steel rebars can be used in modular construction. Steel rebars are commonly used as reinforcement in concrete structures, and since modular construction often involves the use of concrete elements, rebars can be incorporated to enhance the structural integrity of the modules.
- Q:What are the main properties of steel rebars?
- Steel rebars, also referred to as reinforcing bars, play a vital role in reinforced concrete structures due to their numerous advantageous characteristics. Firstly, steel rebars possess a high tensile strength, which enables them to withstand substantial pulling forces and effectively reinforce concrete to prevent cracking and structural failure. Secondly, steel rebars exhibit exceptional ductility, meaning they can deform under stress without fracturing. This flexibility allows them to absorb energy during seismic events or extreme loads, enhancing the overall performance and resilience of the reinforced concrete. Moreover, steel rebars are manufactured with a protective layer, such as epoxy or galvanized coating, to ensure corrosion resistance. This property is crucial as exposure to moisture, chloride ions, and other corrosive elements can significantly weaken the rebars and compromise the structural integrity. In addition, steel rebars can be easily welded together, facilitating efficient and effective construction. This feature enables the rebars to be connected seamlessly, forming a continuous and robust reinforcement network that enhances the overall strength and stability of the concrete structure. Furthermore, steel rebars possess thermal compatibility with concrete, meaning they have similar expansion and contraction properties. This characteristic minimizes the risk of cracking or structural damage caused by temperature changes, ensuring the long-term durability and stability of reinforced concrete structures. Lastly, steel rebars are widely available and relatively cost-effective compared to alternative reinforcing materials. This affordability, combined with their exceptional mechanical properties, makes them a popular choice for structural reinforcement in various construction projects. In conclusion, steel rebars offer high tensile strength, ductility, corrosion resistance, weldability, thermal compatibility, and cost-effectiveness. These properties are indispensable for providing structural strength and durability to reinforced concrete structures.
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ASTM A615 deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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