Hot Rolled Carbon Steel Rebar 28mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
OKorder is offering Hot Rolled Carbon Steel Rebar 28mm 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 Rebar 28mm 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 Rebar 28mm 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 | |||||
Images:
- Q:Can steel rebars be used in structures with high chemical resistance requirements?
- No, steel rebars cannot be used in structures with high chemical resistance requirements as they are susceptible to corrosion and deterioration when exposed to harsh chemicals.
- Q:What are the guidelines for proper cover thickness of steel rebars in concrete structures?
- The guidelines for proper cover thickness of steel rebars in concrete structures vary depending on the specific design requirements and the environmental conditions. However, in general, the cover thickness for steel rebars should be sufficient to protect them from corrosion, provide fire resistance, and ensure adequate bond strength between the rebar and the concrete. The recommended minimum cover thickness is usually specified in codes and standards, such as ACI 318 (American Concrete Institute) or Eurocode. It is important to consult these guidelines and consider factors like exposure conditions, concrete quality, and structural requirements to determine the appropriate cover thickness for steel rebars in concrete structures.
- Q:How do steel rebars affect the overall fire safety of a structure?
- The overall fire safety of a structure can be affected both positively and negatively by steel rebars. On the positive side, steel rebars contribute to the strength and stability of the structure, enabling it to withstand the impact of a fire and prevent collapse. This is particularly important for high-rise buildings or structures at risk of fire hazards. Moreover, steel rebars have a high melting point, making them more resistant to heat compared to other building materials. This characteristic slows down the spread of fire and allows for additional time for evacuation or firefighting efforts. However, there are also negative effects of steel rebars on fire safety. Exposed to high temperatures, steel expands, leading to structural deformations and potential failure of the rebars. This compromises the integrity of the structure and increases the risk of collapse. Furthermore, steel rebars conduct heat, transferring it from the fire to other parts of the structure. This localized heating weakens nearby materials and can accelerate the spread of fire within the building. To address these negative effects, fire-resistant coatings or fireproofing materials can be applied to the steel rebars. These coatings insulate and protect the rebars from high temperatures, delaying their failure and reducing the risk of collapse. In conclusion, while steel rebars enhance the overall fire safety of a structure through their strength and stability, they also come with drawbacks. Implementing appropriate fire protection measures, such as fire-resistant coatings, is vital to ensure optimal performance of the rebars during a fire.
- Q:How do steel rebars affect the overall flexibility of a structure?
- Steel rebars greatly enhance the overall flexibility of a structure. By reinforcing the concrete, rebars provide additional tensile strength, allowing the structure to better withstand external forces such as wind, earthquakes, or heavy loads. This added flexibility prevents cracking and structural failure, ensuring the longevity and safety of the building.
- Q:Can steel rebars be used in structures with high sulfate content in soil or water?
- In structures that contain high sulfate levels in soil or water, it is not recommended to use steel rebars. The reaction between sulfates and steel, specifically the iron within the steel rebars, can result in corrosion and the weakening of the structure. This phenomenon, commonly referred to as sulfide attack or sulfate attack, has the potential to lead to the deterioration of the rebars and ultimately compromise the overall integrity of the structure. As a result, it is advisable to explore alternative materials such as stainless steel rebars or non-metallic reinforcement options like fiber-reinforced polymers (FRP) in order to ensure the longevity and safety of the structure.
- Q:What are the different types of steel used in the production of rebars?
- There are several different types of steel that are commonly used in the production of rebars. The choice of steel depends on various factors such as the desired strength, corrosion resistance, and cost. 1. Mild Steel: This is the most common type of steel used in rebars. It has a low carbon content and is relatively inexpensive. Mild steel rebars are suitable for general construction purposes where high strength is not a requirement. 2. High Strength Deformed Bars (HSD): HSD bars are made from carbon steel with higher yield and tensile strength compared to mild steel. These rebars are commonly used in reinforced concrete structures that require higher load-bearing capacity, such as bridges and high-rise buildings. 3. Carbon Steel: Carbon steel rebars are made from steel alloyed with carbon, which enhances its strength and durability. These rebars are often used in construction projects that require resistance to extreme temperatures and high tensile strength. 4. Stainless Steel: Stainless steel rebars contain a high amount of chromium, which provides excellent corrosion resistance. These rebars are commonly used in coastal areas or structures exposed to high humidity, as they prevent rusting and maintain structural integrity over time. 5. Epoxy-Coated Steel: Epoxy-coated rebars are made by applying a protective coating of epoxy resin on the surface of the steel. This coating provides an additional layer of corrosion resistance, making these rebars suitable for structures exposed to harsh environmental conditions or chemicals. 6. Galvanized Steel: Galvanized rebars are coated with a layer of zinc, which provides excellent corrosion protection. They are commonly used in areas with high humidity, where corrosion is a significant concern. 7. Alloy Steel: Alloy steel rebars are made by adding various elements such as manganese, nickel, or chromium to enhance their mechanical properties. These rebars offer increased strength, improved ductility, and resistance to fatigue, making them suitable for specialized applications such as seismic zones or heavy construction. It is essential to select the appropriate type of steel rebar based on the specific requirements of the construction project to ensure durability, safety, and longevity of the structure.
- 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:What are the advantages of using deformed steel rebars?
- There are several advantages to using deformed steel rebars in construction projects. Firstly, the deformed shape of the rebars provides enhanced bonding with the surrounding concrete. The ridges, bumps, or indentations on the surface of the rebar increase the surface area in contact with the concrete, resulting in improved adhesion. This ensures a stronger bond between the rebar and the concrete, making the overall structure more resistant to forces such as tension, compression, and shear. Secondly, deformed steel rebars offer better resistance to slippage. The irregular surface of the rebar prevents it from easily slipping or moving within the concrete. This is particularly beneficial in structures subject to seismic activity or heavy loads, as it helps to maintain the integrity and stability of the construction. Additionally, the use of deformed steel rebars enhances the overall structural strength and durability of the project. The deformations on the surface of the rebar allow it to better absorb and distribute stress, making it less susceptible to cracking or failure under high loads. This strength and durability make deformed rebars suitable for a wide range of applications, including bridges, high-rise buildings, and industrial structures. Furthermore, deformed steel rebars provide cost-effectiveness in long-term maintenance. The improved bond between the rebar and concrete reduces the risk of corrosion and deterioration over time. This leads to reduced maintenance and repair costs, as the structure remains more resilient and less prone to structural degradation caused by environmental factors. Lastly, deformed steel rebars offer versatility in design. The various types and sizes of deformed rebars available in the market allow engineers and designers to choose the most appropriate option for their specific project requirements. The flexibility in design ensures that the rebars can be tailored to meet the structural demands of different applications, thus contributing to the overall efficiency and safety of the construction project. In conclusion, the advantages of using deformed steel rebars include enhanced bonding with concrete, resistance to slippage, improved structural strength and durability, cost-effectiveness in maintenance, and versatility in design. These advantages make deformed steel rebars a preferred choice in construction projects where strength, stability, and long-term performance are crucial factors.
- Q:Are steel rebars suitable for use in high-traffic areas like bridges?
- Yes, steel rebars are suitable for use in high-traffic areas like bridges. Steel rebars provide exceptional strength and durability, making them ideal for withstanding heavy loads and frequent use. Additionally, steel rebars offer excellent resistance to corrosion, ensuring the longevity and structural integrity of bridges in high-traffic areas.
- Q:How do steel rebars affect the overall cost of maintenance?
- The overall cost of maintenance can be significantly affected by steel rebars in various ways. Firstly, the structural integrity of buildings and infrastructure heavily relies on the quality and durability of steel rebars. When properly installed and of high quality, steel rebars can strengthen and prolong the lifespan of concrete structures, reducing the frequency of repairs or replacements. Consequently, this reduces maintenance costs over time. Furthermore, steel rebars offer reinforcement to concrete, enhancing its resistance to external forces such as seismic activities, heavy loads, and environmental factors like corrosion. By increasing structural resilience, steel rebars can minimize the occurrence of damage, thus reducing the subsequent expenses required for maintenance and restoration. In addition, it is crucial to maintain steel rebars properly to prevent corrosion. Regular inspections, cleaning, and application of protective coatings are necessary preventive measures. Failure to do so can result in rust and corrosion, ultimately compromising the structural integrity of the entire concrete structure. Addressing corrosion-related issues through repairs or replacements can be both time-consuming and expensive, significantly impacting the maintenance budget. Lastly, the choice of steel rebars during construction or renovation can also impact maintenance costs. While opting for higher-grade rebars with superior corrosion resistance may initially increase upfront costs, it can substantially reduce long-term maintenance expenses. Investing in high-quality steel rebars minimizes the need for frequent repairs and replacements, leading to cost savings and improved structural reliability. In conclusion, steel rebars directly influence the overall cost of maintenance. By providing reinforcement and improving structural integrity, high-quality rebars reduce the necessity for repairs, prevent damage, and enhance the durability of concrete structures. However, neglecting proper maintenance of rebars can lead to expensive corrosion issues. Thus, careful consideration of the quality, installation, and ongoing maintenance of steel rebars is essential to minimize long-term maintenance costs.
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Hot Rolled Carbon Steel Rebar 28mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 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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