Steel Rebar/Deformed Steel Bar / Iron Rods for Construction/Concrete
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 30000 m.t./month
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OKorder Financial Service
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OKorder is offering Steel Rebar/Deformed Steel Bar / Iron Rods for Construction/Concrete 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/Deformed Steel Bar / Iron Rods for Construction/Concrete are ideal for structural applications and are widely usedthe construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries
Product Advantages:
OKorder's Steel Rebar/Deformed Steel Bar / Iron Rods for Construction/Concrete 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:HRB400
Certificates: ISO, SGS, BV, CIQ
Packed: prproduct packed in bundles
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 |
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 | ||
Physics capability | ||||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%) | ||||||
≥400 | ≥570 | ≥14 | ||||||
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 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.
Q4: How many tons of steel products could be loaded in containers?
A4: 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.
Images:
- Q: How do steel rebars contribute to the overall sustainability of the construction industry?
- Steel rebars contribute to the overall sustainability of the construction industry in various ways. Firstly, the use of steel rebars enhances the structural integrity and durability of concrete structures, ensuring their longevity and reducing the need for frequent repairs or replacements. This significantly reduces the amount of construction waste generated and minimizes the overall environmental impact. Additionally, steel rebars are recyclable materials, meaning they can be repurposed and reused at the end of their life cycle. This not only reduces the demand for new steel production but also lowers the energy consumption and greenhouse gas emissions associated with the manufacturing process. By promoting the circular economy, steel rebars help conserve natural resources and reduce the carbon footprint of the construction industry. Moreover, the use of steel rebars in concrete structures enhances their resistance to seismic activities and extreme weather conditions, such as hurricanes or earthquakes. This ensures the safety of the occupants and reduces the risk of damage to the infrastructure, thus minimizing the need for reconstruction and contributing to the overall resilience of the built environment. Furthermore, steel rebars can be engineered and designed to optimize the use of materials, reducing the overall weight of structures. This leads to more efficient transportation and installation processes, resulting in lower fuel consumption and transportation-related emissions. Lastly, steel rebars offer flexibility in design and construction, allowing for innovative and sustainable building solutions. They can be easily integrated into various construction methods, enabling the use of sustainable construction techniques such as prefabrication or modular construction. This enhances efficiency, reduces construction time, and minimizes disruption to the surrounding environment. In conclusion, steel rebars play a crucial role in the sustainability of the construction industry by enhancing the durability of structures, promoting recycling, reducing waste generation, conserving resources, improving safety, and enabling innovative construction techniques. Their use contributes to the overall environmental, social, and economic sustainability of the industry, making it a vital component in sustainable construction practices.
- Q: What is the average diameter of steel rebars used in construction?
- Steel rebars used in construction typically have an average diameter ranging from 6 mm to 40 mm. However, the specific diameter may vary depending on the construction project requirements and structural design. It is crucial to consider that different countries or regions have their own standards and regulations for steel rebar specifications. Thus, consulting local building codes and engineering professionals is recommended to determine the suitable diameter for a specific construction project.
- Q: Can steel rebars be used in thin concrete elements?
- Yes, steel rebars can be used in thin concrete elements. However, it is important to ensure that the rebars are properly spaced and adequately covered with concrete to provide sufficient strength and durability to the structure. Additionally, the design and placement of rebars should be carried out in accordance with the specific requirements and recommendations of the construction codes and standards.
- Q: How are steel rebars protected against alkali attacks?
- Steel rebars are protected against alkali attacks by applying a protective coating or by using corrosion-resistant materials such as stainless steel rebars. Additionally, proper concrete mix design, including the use of low alkali cement and supplementary cementitious materials, can help mitigate alkali attacks on steel rebars.
- Q: How do steel rebars affect the thermal properties of a structure?
- The thermal properties of a building or structure can be significantly influenced by steel rebars, which are commonly used in reinforced concrete structures. To begin with, steel rebars have a higher thermal conductivity than concrete. This means that when embedded within concrete, they can serve as thermal bridges, allowing heat to easily transfer through the structure. Consequently, there is increased heat loss during colder months and increased heat gain during warmer months, leading to higher energy consumption for heating and cooling. Additionally, the thermal expansion and contraction of the structure can be affected by steel rebars. Compared to concrete, steel has a higher coefficient of thermal expansion, causing it to expand and contract more with temperature changes. This differential movement between the steel rebars and the surrounding concrete can result in cracks and structural deformations, compromising the overall thermal performance of the structure. Moreover, the moisture behavior of a structure can also be influenced by steel rebars. As previously mentioned, steel has a higher thermal conductivity and electrical conductivity than concrete. This electrical conductivity can promote the corrosion of steel rebars when they come into contact with moisture or water. Consequently, corrosion leads to the formation of rust, which expands and further damages the surrounding concrete. This, in turn, increases moisture ingress, compromising the insulation properties of the structure and potentially causing mold growth and other moisture-related issues. To conclude, steel rebars have direct and indirect impacts on the thermal properties of a structure. They act as thermal bridges, affecting heat transfer, and their differential thermal expansion and corrosion potential can compromise the overall thermal performance and moisture behavior of the structure. Proper design, insulation, and corrosion protection measures should be implemented to mitigate these effects and ensure optimal thermal performance.
- Q: Can steel rebars be used in structures with aggressive chemical exposure?
- Steel rebars can be used in structures with aggressive chemical exposure, but their performance may be compromised depending on the specific chemicals involved. It is crucial to select the appropriate type of steel with corrosion-resistant properties or use protective coatings to prevent degradation and maintain structural integrity. Additionally, regular maintenance and monitoring are required to ensure the rebars' durability in such environments.
- Q: Can steel rebars be used in coastal construction?
- Coastal construction can indeed utilize steel rebars. Steel rebars find widespread application in coastal construction due to their exceptional strength and durability. Their ability to withstand corrosion is particularly important in coastal areas where the presence of saltwater and high humidity can accelerate the corrosion process. Moreover, steel rebars possess the capacity to withstand the forces exerted by waves and strong winds commonly encountered in coastal regions. They serve as a reliable source of structural support for buildings, bridges, seawalls, and other coastal infrastructure. Nevertheless, it is crucial to implement appropriate protective measures, such as utilizing corrosion-resistant coatings or stainless steel rebars, to further augment their longevity and durability in coastal environments.
- Q: How are steel rebars protected against chemical attacks?
- Steel rebars are protected against chemical attacks through a process called corrosion protection. This involves using various techniques and materials to prevent the rebar from coming into contact with corrosive substances that can cause chemical attacks. One common method of protection is the use of protective coatings. This involves applying a layer of material, such as epoxy or zinc, onto the surface of the rebar. These coatings act as a barrier, preventing corrosive substances from reaching the steel surface. Additionally, these coatings can provide an extra layer of protection against moisture and other environmental factors that can contribute to corrosion. Another method of protection is the use of corrosion inhibitors. These are chemicals that can be added to the concrete mix or applied directly to the rebar. Corrosion inhibitors work by forming a protective layer on the surface of the steel, which inhibits the process of corrosion. These inhibitors can be organic or inorganic compounds and are designed to target specific types of corrosion mechanisms. In some cases, stainless steel rebars are used as a measure of protection against chemical attacks. Stainless steel has a higher resistance to corrosion compared to regular steel rebars. This is due to the presence of chromium, which forms a passive layer on the surface of the steel, protecting it from chemical reactions. Stainless steel rebars are often used in highly corrosive environments, such as marine structures or wastewater treatment plants. Regular maintenance and inspection are also crucial in protecting steel rebars against chemical attacks. Any signs of damage or corrosion should be addressed promptly. Regular cleaning and removal of any corrosive substances that accumulate on the rebars can also help prevent chemical attacks. Overall, a combination of protective coatings, corrosion inhibitors, stainless steel rebars, and regular maintenance is essential in protecting steel rebars against chemical attacks. These measures help to extend the lifespan of the rebars and ensure the structural integrity of concrete structures.
- Q: How are steel rebars protected against chemical corrosion?
- Steel rebars are protected against chemical corrosion through a process called corrosion inhibition. This involves applying a protective coating, such as epoxy or zinc, to the surface of the rebars. Additionally, rebars can be embedded in concrete, which acts as a barrier against corrosive substances. Proper maintenance and regular inspections are essential to ensure the long-term protection of steel rebars against chemical corrosion.
- Q: Are steel rebars resistant to chemical attacks?
- Steel rebars are generally resistant to chemical attacks, but their resistance can vary depending on the specific chemicals they are exposed to. Steel rebars are primarily made of carbon steel, which is known for its high strength and durability. Carbon steel has good resistance to many common chemicals, such as water, mild acids, and alkalis. However, certain chemicals can pose a threat to steel rebars and cause corrosion or deterioration. For example, strong acids, such as sulfuric acid or hydrochloric acid, can rapidly corrode steel rebars. Additionally, exposure to chlorides, such as those found in saltwater or deicing salts, can increase the risk of corrosion in steel rebars. To enhance the resistance of steel rebars to chemical attacks, various protective measures can be taken. One common method is to apply a protective coating, such as epoxy or zinc, on the rebars. This coating acts as a barrier between the steel and the chemicals, preventing direct contact and reducing the risk of corrosion. In summary, while steel rebars are generally resistant to chemical attacks, their resistance can be influenced by the specific chemicals they are exposed to. Proper protective measures can be taken to enhance their resistance and prolong their lifespan in environments where chemical exposure is a concern.
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Steel Rebar/Deformed Steel Bar / Iron Rods for Construction/Concrete
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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