GR40 deformed steel bar for construction made in China
- 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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Usage and Applications of Deformed Steel Bar:
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 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
Specifications of HRB500 Deformed Steel Bar:
Standard | GB | HRB500 |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | |
Length | 6M, 9M,12M or as required | |
Payment term | TT or L/C | |
Application | mainly used in construction industry to reinforce concrete structures and so on | |
Quality | First quality, the goods are from Chinese big manufacturers. | |
Type | Hot rolled deformed steel bar | |
Brand name | DRAGON | |
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB500 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.08-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥500 | ≥630 | ≥12 | |||||
- Q: What are the advantages of using fiber-reinforced polymer (FRP) rebars over steel rebars?
- There are several advantages of using fiber-reinforced polymer (FRP) rebars over steel rebars. Firstly, FRP rebars are significantly lighter than steel rebars, making them easier to handle and transport. Additionally, FRP rebars have a higher tensile strength than steel rebars, allowing for greater flexibility in design and reducing the need for additional reinforcement. FRP rebars are also non-corrosive, unlike steel rebars which can rust over time, making them more durable and longer-lasting. Lastly, FRP rebars are non-conductive, making them suitable for use in areas with electrical or magnetic fields. Overall, the use of FRP rebars offers numerous advantages in terms of weight, strength, durability, and versatility.
- Q: How do steel rebars perform in extreme weather conditions?
- Steel rebars perform well in extreme weather conditions. The steel's strength and durability allow it to withstand both high and low temperatures, as well as intense wind, rain, and snow. This makes steel rebars a reliable choice for construction projects in areas prone to hurricanes, storms, and other extreme weather events.
- Q: What is the impact of steel rebars on the overall maintenance of a building?
- Steel rebars have a significant impact on the overall maintenance of a building. These reinforced steel bars are commonly used in the construction industry to provide strength and stability to concrete structures. The presence of rebars enhances the structural integrity of the building, making it more resistant to external forces such as earthquakes, wind, and heavy loads. One of the key benefits of using steel rebars is their ability to prevent cracking and minimize the occurrence of structural failures. By reinforcing the concrete, rebars distribute the load more evenly, reducing the stress on the building. This helps to prevent cracks from forming and spreading, which can compromise the structural stability and lead to costly repairs. Furthermore, steel rebars also play a crucial role in increasing the durability and lifespan of a building. They provide additional strength to the concrete, making it more resistant to wear and tear over time. This means that the building requires less frequent maintenance and repairs, resulting in cost savings for the owners. In terms of maintenance, steel rebars require minimal attention once they are properly installed. However, regular inspection and maintenance of the rebars are necessary to ensure their continued effectiveness. This may include checking for signs of corrosion, which can weaken the rebars and compromise the structural integrity of the building. Appropriate measures such as protective coatings or regular cleaning can be taken to prevent corrosion and extend the lifespan of the rebars. In summary, steel rebars have a positive impact on the overall maintenance of a building. They enhance the structural integrity, prevent cracking, and increase the durability of the structure, resulting in reduced maintenance needs and extended lifespan. Regular inspection and maintenance of the rebars are essential to ensure their effectiveness and mitigate potential issues such as corrosion.
- Q: How do steel rebars affect the thermal conductivity of concrete structures?
- Steel rebars have a significant impact on the thermal conductivity of concrete structures. The inclusion of steel rebars in concrete increases the overall thermal conductivity of the structure. This is because steel has a much higher thermal conductivity than concrete. Consequently, heat transfer through the concrete is facilitated by the presence of steel rebars, leading to a higher overall thermal conductivity of the structure.
- Q: What are the limitations of using steel rebars?
- There are several limitations associated with using steel rebars in construction projects. Firstly, steel rebars are susceptible to corrosion. When exposed to moisture and oxygen, they can start to rust over time. This corrosion weakens the rebars and compromises the structural integrity of the concrete. To mitigate this issue, rebars are usually coated with epoxy or other protective coatings, but these coatings can deteriorate over time and require maintenance. Secondly, steel rebars have a high thermal expansion coefficient. This means that they expand and contract significantly with changes in temperature. This can lead to stress and cracking in the concrete, particularly in regions with extreme temperature variations. To minimize these effects, engineers often use expansion joints or other techniques to accommodate the thermal expansion of the rebars. Additionally, steel rebars are heavy and can be challenging to handle and transport. Their weight can increase the overall weight of the structure, which may require additional support or reinforcement. Moreover, the transportation of steel rebars to construction sites can be costly and time-consuming. Furthermore, steel rebars are a finite resource and their production has an environmental impact. The extraction and production of steel require significant amounts of energy and can contribute to greenhouse gas emissions. Additionally, the depletion of natural resources required for steel production is a concern. Lastly, steel rebars are conductive to heat and electricity, which can pose safety risks in certain situations. For example, in areas prone to lightning strikes, the presence of steel rebars can increase the likelihood of electrical damage. In conclusion, while steel rebars are widely used in construction due to their strength and durability, they have limitations such as susceptibility to corrosion, thermal expansion issues, high weight, environmental impact, and electrical conductivity. It is crucial for engineers and architects to consider these limitations and employ appropriate measures to address them in construction projects.
- Q: How are steel rebars priced in the market?
- Steel rebars are typically priced in the market based on various factors such as the current demand and supply dynamics, raw material costs, production and transportation expenses, market competition, and any additional factors that may affect pricing.
- Q: What does "4EDT6" mean on thread steel?
- It is a long strip of steel with a hollow cross section. It can be divided into round tube, square tube, hexagonal tube and all kinds of special-shaped section steel tube according to its sectional shape. According to the different processing technology, seamless steel pipe and welded pipe can be divided into two categories.
- Q: Can steel rebars be used in school construction?
- Yes, steel rebars can be used in school construction. Steel rebars are commonly used in the construction industry to reinforce concrete structures, including buildings and infrastructure. In school construction, using steel rebars ensures the strength and durability of the building, providing a safe and long-lasting environment for students and staff.
- Q: Do steel rebars increase the overall weight of a structure?
- Indeed, the utilization of steel rebars does amplify the overall weight of a structure. Rebars are generally included to fortify concrete structures, offering tensile strength to counterbalance the concrete's vulnerability in managing tension forces. Steel rebars consist of steel, a material that is both dense and weighty. By incorporating rebars into a structure, the weight of these elements contributes to the entirety of the construction's weight. Nevertheless, the supplementary weight is typically insignificant when compared to the overall weight of the structure, especially in extensive ventures. The advantages of employing steel rebars in terms of structural integrity and longevity far surpass the minimal augmentation in weight they contribute.
- Q: How do steel rebars impact the overall construction cost estimation process?
- Steel rebars have a significant impact on the overall construction cost estimation process. These reinforcing bars are crucial components in reinforced concrete structures, providing strength and durability to the building. As such, their inclusion in cost estimation is essential for accurately assessing the total project cost. Firstly, steel rebars contribute to the material cost of the construction project. Since rebars are typically priced based on weight, the quantity and size of rebars required for the structure directly affect the material cost estimation. The accurate identification and quantification of rebars are necessary to ensure an appropriate budget allocation for the project. Moreover, steel rebars also influence the labor cost estimation. Installing rebars requires skilled labor, and the time and effort involved in cutting, bending, and placing the rebars must be considered. The complexity of the reinforcement design, such as intricate shapes or complex detailing, can increase labor costs. Therefore, accurate estimation of rebars allows for better planning of labor resources and cost allocation. In addition to material and labor costs, steel rebars impact other aspects of the construction cost estimation process. For instance, the weight and placement of rebars affect the structural design, which can influence the cost estimation of the concrete mix design and formwork requirements. The size and spacing of rebars may also impact the excavation and foundation costs, as well as the overall project timeline. Furthermore, steel rebars contribute to the long-term costs of the construction project. The quality and durability of rebars directly affect the lifespan and maintenance requirements of the structure. Investing in high-quality rebars can reduce future maintenance and repair costs, as well as enhance the overall life cycle cost analysis of the project. In conclusion, steel rebars have a significant impact on the overall construction cost estimation process. Accurate estimation of rebars is essential for determining the material and labor costs, as well as influencing other cost-related aspects of the project. It allows for precise budget allocation, resource planning, and consideration of long-term costs, ultimately leading to a more reliable and comprehensive construction cost estimation.
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GR40 deformed steel bar for construction made in China
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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