Hot Rolled Carbon Steel Deformed Bar 12mm
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- :25 m.t.
- Supply Capability:
- 20000 m.t./month
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OKorder Financial Service
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Product Description:
OKorder is offering Hot Rolled Carbon Steel Deformed Bar 12mm with High Quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Carbon Steel Deformed Bar 12mm with High Quality 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..
Product Advantages:
OKorder's Hot Rolled Carbon Steel Deformed Bar 12mm with High Quality are durable, strong.packed and suitable for construction
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB335 HRB400 BS4449 Grade460 ASTM Grade40 Grade60
Certificates: ISO, SGS, BV, CIQ
Length:6m 8m 9m 12m
Packaging: Export packing, packed by coil
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: 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.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: How many tons per bundle?
A4: Around 2-3tons
Q5: How to avoid the rust after deliver the goods to the loading port?
A5: We will keep the goods at the port covered with water-proof material
Q6: What is the chemical composition and physical properties of HRB400?
A6
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Q7:What is chemical composition and physical properties of 500B?
A7：
BS4449 500B | Chemical Composition | ||||
C | Mn | Si | S | P | |
0.24 | 0.45 | 0.16 | 0.05 | 0.31 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
650 | ≥500 | 19 | |||
Images:
- Q: What are the marking of the steel bars on the mills? Which factory is the 2LG16 thread?
- In the steel mills logo is a symbol to a combination of numbers and letters, according to the strength of steel grade (with digital sign) + mills (referred to as letters marked) + bar diameter (with digital sign) according to the order of size at a certain spacing bar on one side of the uniform by Mark steel the strength grade of the number 2 (two steel), 3 (three steel), 4 (four steel) and other steel label; referred to in letters, such as LG (Lai Gang), JG (Ji Gang), KG (Kunming); diameter of steel bar by the number 12, 14, 16... 25, 28... Etc.. For example, the steel produced by Jigang has a diameter of 22 and the strength grade is 3 grade. The steel mark is 3JG22.
- Q: How are steel rebars used in the construction of wastewater treatment plants?
- Steel rebars are used in the construction of wastewater treatment plants to reinforce the concrete structures, such as tanks and basins, that are essential for storing and treating wastewater. The rebars provide strength and stability to these structures, ensuring they can withstand the weight of the water and the various chemicals used in the treatment process. Additionally, the rebars help to prevent cracking and structural failure, ensuring the longevity and reliability of the wastewater treatment plant.
- Q: How long do steel rebars typically last before corroding?
- Steel rebars have a substantial lifespan before they corrode, but the exact duration can vary depending on several factors. Generally, rebars are designed to last around 50 to 100 years. However, this estimate can change depending on the environment and conditions they are exposed to. Corrosion of steel rebars occurs when they come into contact with moisture, oxygen, and other corrosive elements like chloride ions. Humidity, temperature, pH level of the surroundings, and the presence of chemicals can all affect the rate of corrosion. In regions with high humidity or near coastal areas where saltwater spray is common, rebars may corrode more quickly due to the presence of chloride ions. Conversely, in dry and less corrosive environments, rebars may endure longer before showing signs of corrosion. To increase the durability and longevity of steel rebars, various techniques and protective measures can be used. These include applying coatings or paints, utilizing stainless steel rebars, incorporating corrosion inhibitors in the concrete mix, and ensuring adequate concrete cover thickness to shield the rebars from the environment. Regular maintenance and inspections are also crucial to detect any early signs of corrosion and take appropriate actions to repair or replace the affected rebars. Ultimately, the lifespan of steel rebars before corrosion is influenced by multiple factors, and proper preventive measures can significantly extend their durability.
- Q: What are the common methods of cutting steel rebars on construction sites?
- Cutting steel rebars on construction sites involves several common methods, each chosen based on project requirements and available equipment. One commonly chosen method is the use of a rebar cutter. This handheld tool, specifically designed for cutting steel rebars, is operated manually and can easily cut through rebars of varying diameters. Its portability and ease of use make it convenient for on-site applications. Another method involves the use of a chop saw, also known as a cut-off saw or an abrasive saw. This technique utilizes a high-speed abrasive disc to make precise cuts on the steel rebars. Chop saws are ideal when accurate and clean cuts are needed, especially when multiple rebars must be cut to the same length. Oxy-fuel cutting presents another option for cutting steel rebars. This method employs a torch that combines oxygen and a fuel gas, typically acetylene, to create a high-temperature flame. The intense heat generated by the torch effectively cuts through steel rebars of varying thicknesses. Oxy-fuel cutting is particularly useful when rapid cutting or dealing with thicker rebars is necessary. Plasma cutting, a popular method, utilizes a high-velocity jet of ionized gas called plasma to melt and remove the metal. This technique is suitable for cutting rebars of different thicknesses and achieves precise and clean cuts. It is commonly employed when working with rebars that have intricate shapes or when fast and accurate cutting is required. It is essential to adhere to safety precautions when cutting steel rebars on construction sites. These precautions include wearing appropriate personal protective equipment, such as safety glasses, gloves, and hearing protection. Moreover, proper training and supervision are crucial to ensure the correct use of cutting equipment and minimize the risk of accidents or injuries.
- Q: How do steel rebars impact the overall construction timeline?
- The speed and efficiency of the construction process are greatly influenced by the presence of steel rebars. These rebars are essential for reinforcing concrete structures, providing them with strength, durability, and resistance. To begin with, the use of steel rebars contributes to faster construction by reducing the time required for concrete to cure. When embedded in concrete, rebars evenly distribute the load, resulting in a stronger structure and expedited construction. This is especially crucial for tall buildings or large-scale projects where time is of the essence. Furthermore, steel rebars enhance the structural integrity of the construction, ensuring its ability to withstand forces like earthquakes, wind, and heavy loads. By reinforcing the concrete, rebars prevent cracks and failures, thereby increasing the longevity and safety of the building. This eliminates the need for costly repairs or renovations in the future, ultimately saving time in the long run. In addition, the use of steel rebars allows for greater flexibility in design and construction. Architects and engineers can create intricate structures with curved or irregular shapes without compromising strength or stability thanks to the presence of rebars. This versatility reduces the time required for design modifications and construction alterations, ultimately expediting the overall timeline. Moreover, steel rebars are readily available in the market and conform to specific industry standards. This ensures a consistent supply of high-quality materials, minimizing delays caused by material shortages or issues with quality. Contractors can easily obtain rebars, facilitating a smooth workflow and timely completion of the construction project. In conclusion, steel rebars have a significant impact on the overall construction timeline. They expedite the construction process, enhance structural integrity, allow for design flexibility, and ensure a consistent supply of materials. By incorporating steel rebars into construction projects, contractors can save time, reduce potential setbacks, and deliver projects within the desired timeframe.
- Q: How are steel rebars classified based on their diameter?
- Steel rebars are classified based on their diameter into different sizes, which usually range from 6 to 50 millimeters.
- Q: How do steel rebars improve the ductility of concrete?
- Concrete's ductility is enhanced by steel rebars in several ways. Firstly, the distribution and dissipation of stress throughout the concrete structure is facilitated by the presence of rebars. This prevents the concentration of loads in specific areas, thus preventing cracks or fractures and improving overall ductility. Secondly, when concrete undergoes tension or bending forces, rebars act as reinforcement to resist these forces. The tensile strength of steel rebars is higher compared to concrete, which is weak in tension. This reinforcement allows concrete to withstand higher tensile stresses without breaking, thereby increasing ductility. Furthermore, the bond between steel rebars and the concrete matrix plays a crucial role in improving ductility. The rough surface of rebars provides better adhesion with the surrounding concrete, increasing stress transfer between the two materials. This bond ensures that rebars do not slip out of the concrete during deformation, maintaining structural integrity and enhancing the ductility of the composite material. Additionally, the presence of steel rebars contributes to the post-cracking behavior of concrete. When cracks develop under high loads, rebars help hold the concrete together and prevent further crack propagation. This post-cracking behavior enables concrete to maintain its load-bearing capacity even in a damaged state, thereby improving overall ductility. In conclusion, steel rebars improve concrete's ductility by distributing stress, resisting tension and bending forces, enhancing the bond between concrete and rebars, and providing post-cracking reinforcement. These combined effects result in a more flexible and durable concrete structure capable of withstanding deformation without catastrophic failure.
- Q: How do steel rebars affect the construction cost of high-rise buildings?
- High-rise buildings' construction costs are significantly influenced by steel rebars. These reinforced steel bars are vital for providing strength and stability to the structure, particularly in high-rise buildings that face greater structural loads. To begin with, the cost of steel rebars can make up a substantial portion of the overall construction budget. Market fluctuations affect steel rebars' prices, meaning any increase in steel prices can directly impact construction costs. Additionally, high-rise buildings typically require a higher quantity and quality of rebars compared to low-rise structures, further increasing the overall cost. Furthermore, the installation of steel rebars adds to the construction cost due to the need for skilled labor and specialized equipment. Reinforcing concrete with steel rebars necessitates careful planning, precise placement, and adherence to construction codes and safety standards. Hiring experienced and qualified workers results in higher labor costs. Moreover, the use of steel rebars enhances the durability and longevity of high-rise buildings. By reinforcing the structure, rebars improve the building's structural integrity, making it more resistant to forces like earthquakes, wind, and vibrations. This reduces maintenance and repair costs over the building's lifespan, making the initial investment in steel rebars worthwhile. Lastly, steel rebars impact the overall construction timeline and project schedule. As a critical component of the building's structure, installing rebars is typically time-consuming. Delays or errors in this process can lead to project delays and additional costs. Therefore, proper planning, coordination, and supervision are necessary to ensure the efficient and timely installation of rebars, minimizing any potential cost overruns. In conclusion, steel rebars play a crucial role in high-rise building construction, significantly impacting the overall cost. Despite the direct costs of rebars, labor, and specialized equipment, their use ultimately enhances the building's strength, durability, and longevity. Considering the long-term benefits and the importance of structural integrity, including steel rebars is necessary, despite their impact on construction costs.
- Q: Are steel rebars resistant to chemicals?
- Yes, steel rebars are generally resistant to chemicals. The corrosion resistance properties of steel rebars make them suitable for use in various chemical environments. However, exposure to certain aggressive chemicals or environments may lead to corrosion over time, so it is essential to consider the specific conditions and choose the appropriate type of steel or protective coatings accordingly.
- Q: Can steel rebars rust or corrode over time?
- Yes, steel rebars can rust or corrode over time if they are exposed to moisture or other corrosive elements.
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Hot Rolled Carbon Steel Deformed Bar 12mm
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- :25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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