Hot rolled deformed steel bars 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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Product Description:
OKorder is offering Hot rolled deformed steel bars for construction 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 deformed steel bars 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 deformed steel bars are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
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 HRB400 Deformed Steel Bar:
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 term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Deformed Steel Bar in container
Deformed Steel Bar in factory
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.
FAQ:
Q1: How do we guarantee the quality of our products?
A1: 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.
Q2: How soon can we receive the product after purchase?
A2: 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.
- Q: What is the process of reinforcing concrete walls with steel rebars?
- The process of reinforcing concrete walls with steel rebars involves several steps to ensure the strength and integrity of the structure. Firstly, the design and layout of the rebars is determined by engineers based on the specific requirements of the wall. This includes the diameter, spacing, and placement of the rebars. Once the design is finalized, the construction of the concrete wall begins. The rebars are typically placed in a grid-like pattern within the formwork or molds. They are positioned at predetermined intervals and secured in place using wire ties or other fastening methods. During the pouring of the concrete, the rebars are completely encased within the mixture. This ensures that the concrete and steel work together to resist tension forces and provide added strength to the wall. After the concrete has been poured and cured, the rebars become an integral part of the structure. They act as a reinforcement by absorbing and distributing the tensile forces that may occur due to external loads or environmental factors. In addition to the initial reinforcement, construction workers may also install vertical rebars along the height of the wall, commonly known as wall ties. These rebars provide further stability and prevent the wall from cracking or collapsing under pressure. Overall, the process of reinforcing concrete walls with steel rebars involves careful planning, precise placement, and proper integration between the rebars and the concrete. This reinforcement technique significantly increases the strength and durability of the walls, making them capable of withstanding greater loads and ensuring the safety of the structure.
- Q: How do steel rebars affect the overall construction cost of residential buildings?
- The overall construction cost of residential buildings can be significantly influenced by steel rebars. To begin with, steel rebars play a vital role in reinforced concrete structures by adding strength and durability. However, the cost of steel rebars can vary depending on factors such as size, grade, and the quantity required for the project. The inclusion of steel rebars in residential buildings can lead to increased construction costs due to expenses related to their purchase and installation. The cost of steel itself is subject to market fluctuations and can change over time. Furthermore, the complexity of the design and the amount of reinforcement needed can also impact the overall cost. Moreover, the installation of steel rebars involves skilled labor, which further contributes to construction expenses. The process of cutting, bending, and placing rebars requires expertise and precision, which adds to the cost of labor. Additionally, the time required for proper installation can affect the construction schedule, potentially resulting in additional expenses if there are delays. However, it is important to note that although steel rebars may initially increase the upfront construction cost of residential buildings, their long-term benefits outweigh the initial expenses. Reinforced concrete structures with steel rebars offer improved resistance against structural failures, such as cracking or collapsing, which can save significant costs in terms of future repairs and maintenance. In conclusion, steel rebars are essential components in residential construction as they enhance the strength and durability of reinforced concrete structures. While their use may increase the initial construction cost, the long-term advantages in terms of structural integrity and reduced maintenance expenses justify their inclusion in residential building projects.
- Q: Are steel rebars subject to any international standards or regulations?
- Yes, steel rebars are subject to international standards and regulations. The most widely recognized international standard for steel rebars is the ISO 6935-2 standard, which sets requirements for the chemical composition, mechanical properties, and dimensions of rebars. Additionally, various countries have their own national standards and regulations that ensure the quality and safety of steel rebars used in construction projects.
- Q: What are the different methods for reinforcing concrete with steel rebars?
- Some of the different methods for reinforcing concrete with steel rebars include placing the rebars in a grid pattern throughout the concrete structure, using stirrups or ties to hold the rebars in place, and using pre-fabricated mesh or rebar mats as a convenient way to reinforce large areas of concrete. Additionally, epoxy-coated rebars can be used to protect against corrosion and increase the longevity of the reinforced concrete.
- Q: What is the length and size of thread steel?
- China's standard recommended nominal diameter of 6, 8, 10, 12, 16, 20, 25, 32, 40, 50mm thread steel series.China's export screw length selection range is 6 ~ 12m.The selection length of Japanese thread steel is 3.5 ~ 10m.
- Q: What is the recommended minimum cover for steel rebars in concrete?
- The recommended minimum cover for steel rebars in concrete is typically 1.5 inches for interior applications and 2 inches for exterior applications. However, it is important to consult the local building codes and engineering specifications for specific project requirements.
- Q: What is a steel rebar?
- A steel rebar is a reinforcing bar made of steel that is used to provide strength and stability to concrete structures. It is commonly used in construction projects such as buildings, bridges, and highways to reinforce and support the concrete, thereby increasing its durability and load-bearing capacity.
- Q: How do steel rebars contribute to the overall sustainability of a structure?
- Steel rebars contribute to the overall sustainability of a structure by increasing its durability, strength, and longevity. By reinforcing concrete, rebars help prevent cracks and structural failures, reducing the need for costly repairs or replacements. This contributes to the long-term sustainability of a structure as it minimizes waste and resource consumption. Additionally, steel rebars can be recycled at the end of a structure's life, reducing the environmental impact and promoting a circular economy.
- Q: How are steel rebars transported and stored on construction sites?
- Trucks or trailers are typically used to transport steel rebars to construction sites. These vehicles are specifically designed to safely carry and unload the heavy and bulky rebars. When the rebars arrive at the site, they are usually offloaded using cranes or forklifts. To make storage and access more efficient, rebars are often kept in designated areas known as rebar yards. These yards are typically organized in a manner that allows for easy identification and retrieval of rebars when needed. The rebars are sorted and stacked according to their size, length, and type to avoid any confusion during construction. In the rebar yard, rebars are commonly stored horizontally on racks made of steel or wood. These racks are designed to provide proper support and prevent any damage to the rebars. It's important to note that rebars should be stored above ground level to protect them from moisture, rust, and contamination. They should also be kept away from damp areas and direct contact with soil. To maintain the quality of the rebars, it's crucial to protect them from rain, snow, and excessive sunlight. Therefore, construction sites often utilize protective covers like tarps or plastic sheets to shield the rebars and prevent any corrosion or deterioration. Additionally, construction workers must handle rebars with care to avoid bending or deformation. Special attention should be paid to prevent dropping or dragging of rebars, as it can compromise their structural integrity. Overall, careful planning and adherence to safety guidelines are necessary for the transportation and storage of steel rebars on construction sites. This ensures the rebars maintain their quality and effectiveness in reinforcing concrete structures.
- Q: What is the effect of carbonation on steel rebars?
- The effect of carbonation on steel rebars is primarily detrimental. Carbonation refers to the process in which carbon dioxide from the atmosphere reacts with the alkaline compounds in concrete, lowering its pH level. This reduction in pH causes a gradual decrease in the passivation layer of steel rebars, which is a protective layer that prevents corrosion. When the passivation layer is compromised due to carbonation, the steel rebars become more susceptible to corrosion. Carbon dioxide reacts with moisture in the concrete, producing carbonic acid, which further lowers the pH level and accelerates the corrosion process. As corrosion progresses, the steel rebars can lose their structural integrity, compromising the overall strength and durability of the concrete structure. The expansion of corrosion products can also exert pressure on the surrounding concrete, leading to cracking and spalling. This can expose the steel rebars to more moisture and oxygen, exacerbating the corrosion process. Furthermore, carbonation can also reduce the effectiveness of any protective coatings applied on the rebars, making them even more vulnerable to corrosion. To mitigate the effects of carbonation on steel rebars, several preventive measures can be taken. These include using concrete with a lower permeability to carbon dioxide, ensuring proper concrete cover thickness, and using corrosion-resistant steel with a higher level of chromium and/or other alloying elements. Regular monitoring and maintenance of the concrete structures are also essential to detect and address any signs of corrosion at an early stage. In summary, carbonation can have a detrimental effect on steel rebars by compromising the passivation layer, leading to corrosion and weakening of the structure. Therefore, it is crucial to implement preventive measures and regular maintenance to ensure the long-term durability and safety of steel-reinforced concrete structures.
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Hot rolled deformed steel bars 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
OKorder Financial Service
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