Steel Rebar,Reinforcement Steel Bar,Structural Steel bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 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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Product Description:
OKorder is offering Steel Rebar,Reinforcement Steel Bar,Structural Steel bar 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Steel Rebar,Reinforcement Steel Bar,Structural Steel bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Steel Rebar,Reinforcement Steel Bar,Structural Steel bar are durable, strong, and wide variety of sizes.
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,HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Deformed Steel Bar | ||
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
FAQ:
Q1: How many tons of steel products could be loaded in containers?
A1: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
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 arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
Images:
- Q: What is the corrosion resistance of steel rebars?
- Steel rebars have excellent corrosion resistance due to the protective layer that forms on their surface. This layer, known as a passive film, is formed through the interaction of the steel with the surrounding environment. The passive film acts as a barrier, preventing oxygen and moisture from reaching the underlying steel and thus inhibiting the corrosion process. Various factors contribute to the corrosion resistance of steel rebars. For instance, the presence of alloying elements such as chromium, nickel, and molybdenum enhances the formation and stability of the passive film, making the rebars more resistant to corrosion. Additionally, the composition and microstructure of the steel rebars play a crucial role in determining their corrosion resistance. However, it is important to note that the corrosion resistance of steel rebars can be compromised under certain conditions. High levels of chlorides, such as those found in marine environments or de-icing salts, can accelerate the corrosion process and reduce the effectiveness of the passive film. Similarly, exposure to acidic or alkaline environments can also negatively impact the corrosion resistance of steel rebars. To mitigate the risk of corrosion, various protective measures can be employed. These include applying coatings or paints to the rebars, using corrosion inhibitors, or utilizing cathodic protection systems. Regular inspection, maintenance, and proper design and construction practices are also essential to ensure the long-term corrosion resistance of steel rebars in different applications. In conclusion, steel rebars possess excellent corrosion resistance due to the formation of a protective passive film. However, the corrosion resistance can be influenced by factors such as the environment, alloying elements, and microstructure. By implementing appropriate protective measures and maintenance practices, the corrosion resistance of steel rebars can be effectively maintained, ensuring their durability and structural integrity.
- Q: How are steel rebars marked for identification on construction sites?
- Steel rebars are typically marked for identification on construction sites using a variety of methods. The most common method is through the use of tags or labels that are attached to the rebars. These tags often contain important information such as the diameter, grade, and length of the rebar, as well as any additional specifications or codes that may be required. In addition to tags, rebars may also be marked using paint or ink. This can be done by either spraying or stenciling the required information directly onto the surface of the rebar. Paint or ink markings are often used for temporary identification purposes or when tags are not feasible. Another method of marking rebars is through the use of colored plastic or vinyl caps. These caps are placed on the ends of the rebars and are typically color-coded to indicate various characteristics such as the size or type of rebar. This method allows for quick and easy visual identification on the construction site. It is important to note that the specific method of marking rebars may vary depending on local regulations, project requirements, or the preferences of the construction company or engineer. The goal of these markings is to ensure that rebars can be easily identified and sorted during construction, helping to ensure proper installation and adherence to design specifications.
- Q: What are the common mistakes to avoid when handling and storing steel rebars?
- Some common mistakes to avoid when handling and storing steel rebars include: 1. Improper handling: Rebars should be lifted and moved using appropriate equipment such as cranes or forklifts. Attempting to handle them manually can lead to injuries and damage to the rebars. 2. Inadequate storage conditions: Rebars should be stored in a clean, dry, and well-ventilated area to prevent rusting and corrosion. Exposure to moisture or extreme temperatures can degrade the quality of the rebars. 3. Insufficient support: When storing rebars horizontally, they should be placed on a flat surface and adequately supported to prevent bending or deformation. Stacking them too high without proper support can result in damage and compromise their structural integrity. 4. Inadequate protection: Rebars should be protected from direct contact with the ground or other materials that may cause damage or contamination. Using pallets or other protective barriers can help prevent rust and ensure the rebars remain in good condition. 5. Neglecting regular inspections: Regularly inspecting the rebars for signs of damage, rust, or other defects is crucial. Any compromised rebars should be removed from use to ensure safety and structural reliability. By avoiding these common mistakes, the handling and storage of steel rebars can be done effectively, ensuring their quality and performance in construction projects.
- Q: How are steel rebars stored and handled on construction sites?
- Steel rebars, also referred to as reinforcing bars, play a vital role in construction projects that involve reinforced concrete structures. To guarantee their safety and effective utilization, these rebars are systematically and meticulously stored and managed on construction sites. Initially, steel rebars are typically delivered to construction sites bundled together and secured with wire or binding materials. Once unloaded from the delivery truck, they are carefully placed in specific areas called rebar yards or cages. These designated spaces are purposefully designed to accommodate the rebars' length, size, and weight, ensuring that they are elevated above the ground and shielded from moisture, dirt, and potential damage. Within the rebar yard, the rebars are commonly arranged horizontally and grouped based on their size, length, and grade. This arrangement enables easy identification and accessibility when required for construction purposes. Moreover, spacers or wooden blocks are often placed between the rebars to prevent direct contact, minimizing the risk of corrosion or entanglement. When it comes to handling steel rebars, construction workers must prioritize safety and adhere to specific guidelines. It is essential to wear personal protective equipment, such as gloves and safety boots, to prevent injuries and maintain a secure grip on the rebars. In certain cases, lifting equipment like cranes or forklifts may be utilized to move and transport the rebars to different areas of the construction site. During transportation, it is crucial to properly secure the rebars to prevent any shifting or falling that could result in accidents. Dragging the rebars on the ground should be avoided, as it can cause damage or deform their shape, compromising their structural integrity. It is of utmost importance to inspect steel rebars before use to ensure they meet the required specifications and are free from any defects. Rusty or damaged rebars should be either discarded or repaired, depending on the severity of the issue. In conclusion, steel rebars are stored and handled with great care and attention on construction sites. Proper storage in designated rebar yards, appropriate grouping and separation, and adherence to safety guidelines during handling are all crucial factors that contribute to the successful and efficient use of steel rebars in construction projects.
- Q: What is the process of reinforcing concrete columns with steel rebars?
- The process of reinforcing concrete columns with steel rebars involves several steps. First, the design and layout of the rebars are determined based on the structural requirements and load calculations. Then, the concrete formwork is constructed to shape the column. Next, the rebars, typically made of high-strength steel, are placed in the formwork according to the designed layout, ensuring proper spacing and alignment. The rebars are often tied together using wire or mechanical connectors to maintain their position during the concrete pouring. Once the rebars are securely in place, concrete is poured into the formwork, encasing the rebars and forming the column. The concrete is then left to cure and harden, creating a strong and durable composite structure of concrete and steel.
- Q: What is the lifespan of steel rebars?
- The lifespan of steel rebars can vary depending on various factors such as the quality of the steel used, the environment it is exposed to, and the level of maintenance. However, generally, steel rebars have a lifespan of around 50 to 100 years.
- Q: Can steel rebars be used in offshore oil rig construction?
- Indeed, offshore oil rig construction can make use of steel rebars. These rebars are widely employed in the construction field, including the creation of offshore structures like oil rigs. By reinforcing concrete structures, steel rebars guarantee the solidity and robustness of the overall construction. In the context of offshore oil rig construction, it is customary to embed steel rebars within concrete foundations, columns, and other structural components to bolster their resistance against external forces such as wind, waves, and seismic activity. Through the incorporation of steel rebars, the durability and safety of offshore oil rigs are effectively ensured, rendering them fitting for the challenging conditions encountered in offshore environments.
- Q: What is the impact of steel rebars on the overall thermal performance of a building?
- Steel rebars have a minimal impact on the overall thermal performance of a building. While they do conduct heat, their relatively small size and low thermal conductivity compared to other building materials, such as concrete or glass, means they do not significantly affect the insulation properties of the structure. The overall thermal performance of a building is primarily influenced by factors like insulation materials, window design, and overall construction techniques.
- Q: Can steel rebars be used in the construction of stadiums and arenas?
- Yes, steel rebars can be used in the construction of stadiums and arenas. Steel rebars provide strength and durability to concrete structures, making them ideal for large-scale projects like stadiums and arenas that require high load-bearing capacity and structural integrity.
- Q: How do steel rebars contribute to the overall energy efficiency of a building?
- There are multiple ways in which steel rebars contribute to the energy efficiency of a building. Firstly, they are commonly utilized in reinforced concrete structures, which offer excellent thermal mass properties. Thermal mass refers to a material's capacity to absorb, store, and release heat energy. By incorporating steel rebars into concrete walls, floors, and ceilings, the building can effectively regulate interior temperature, thereby reducing the need for additional heating or cooling systems. Furthermore, steel rebars enhance a building's structural integrity and durability, thereby contributing to energy efficiency. Buildings constructed with reinforced concrete using steel rebars are better equipped to withstand external forces like wind or seismic activities. This increased resilience results in reduced maintenance requirements and a longer lifespan, ultimately saving energy and resources over time. Moreover, steel rebars are recyclable materials, meaning they can be processed and reused at the end of their life cycle. The recycling of steel rebars significantly reduces energy consumption and greenhouse gas emissions associated with the production of new steel. By incorporating recycled steel rebars, builders can further improve the energy efficiency of a building and contribute to sustainable construction practices. In conclusion, steel rebars play a critical role in enhancing the overall energy efficiency of a building. Their ability to provide thermal mass, improve structural integrity, and be recycled make them a sustainable and energy-efficient choice for construction projects.
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Steel Rebar,Reinforcement Steel Bar,Structural Steel bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 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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