Deformed Steel Bar Quality Guaranteed Thermo mechanically
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 28 m.t.
- Supply Capability:
- 20000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description
Deformed Reinforcing Steel Bar
Standard: AISI,ASTM,BS,DIN,BS,GB,JIS
Grade: HRB400/ HRB400E/ HRB500/ HRB500E/ Gr.40/ Gr.60/ B460B/ B500B
Diameter: 6mm-40mm
6mm,8mm rebar must be packaging in coil, ~2MT/coil
Length: 12m or 9m
Place of Origin: Hebei, China (Mainland)
Brand Name: Mammoth
Application: construction of houses, bridges, roads and other civil works,making Concrete
Packaging & Delivery
Packaging Details: | In bulk or Container according to the customer's require. |
Delivery Detail: | 15-30 days after L/C or prepayment. |
| THEORETICAL WEIGHT INDEX | ||
| SIZE(mm) | CUT AREA(CM2) | THEORETICAL WEIGHT(KG/M) |
| 8 | 0.503 | 0.395 |
| 9 | 0.636 | 0.5 |
| 10 | 0.79 | 0.62 |
| 12 | 1.13 | 0.89 |
| 14 | 1.54 | 1.21 |
| 16 | 2.01 | 1.58 |
| 18 | 2.55 | 2 |
| 20 | 3.14 | 2.47 |
| 22 | 3.8 | 2.98 |
| 25 | 4.91 | 3.85 |
| 28 | 6.16 | 4.83 |
| 32 | 8.04 | 6.31 |
♣ Mechanics Performance According to HRB335
Grade | Technical data of the original chemical composition(%) | |||||
C | Mn | Si | S | P | B | |
HRB335 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 |
Physics capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%)
| ||||
≥335 | ≥490 | ≥16 | ||||
♣ Mechanics Performance According to HRB400
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 | ||||
If you are interested in these kinds of products, please feel free to let me know, our best quotation will be sent for your information. Except steel bar, we also deal with steel pipe, deformed steel bar, angle steel, H and I beam, and channel. You are welcomed to visit our website www.tsruixiang.com.cn to know more about us.
And our products are mainly exported to Mild-east, South American, African, so please make assure of our quality and reputation. We sincerely hope we can cooperate in the near future.
Your any reply will be highly appreciated.
- Q: What are the advantages of using high-strength steel rebars?
- There are several advantages of using high-strength steel rebars in construction projects. Firstly, high-strength steel rebars have a much higher yield strength compared to regular steel rebars. This means that they can withstand much greater tensile forces without deforming or breaking. This allows for the construction of structures that can handle heavy loads and forces, making them more durable and resistant to damage. Secondly, high-strength steel rebars have a smaller diameter compared to regular steel rebars, while still maintaining their strength. This means that they can be used in places where space is limited or where a smaller concrete cover is required. This makes them particularly useful in projects with complex designs or in areas with high seismic activity. Moreover, high-strength steel rebars offer increased cost-efficiency. Due to their higher strength, fewer rebars are needed in construction projects, which results in reduced material and labor costs. Additionally, the smaller diameter of high-strength steel rebars leads to less concrete being needed, further reducing costs. Another advantage of using high-strength steel rebars is their enhanced corrosion resistance. The increased strength of these rebars is often achieved by adding alloying elements, such as chromium or nickel, which improve their resistance to corrosion. This ensures that structures reinforced with high-strength steel rebars have a longer lifespan and require less maintenance over time. Lastly, the use of high-strength steel rebars allows for the construction of lighter and more slender structures. Their higher strength-to-weight ratio enables the design of longer spans and taller buildings, without compromising on safety or structural integrity. This leads to more aesthetically pleasing structures and provides architects and engineers with greater flexibility in their designs. In conclusion, the advantages of using high-strength steel rebars include increased strength, smaller diameter, cost-efficiency, enhanced corrosion resistance, and the ability to construct lighter and more slender structures. These benefits make high-strength steel rebars a preferred choice in various construction projects, ensuring durability, safety, and longevity.
- Q: Can steel rebars be used in railway and transportation infrastructure?
- Yes, steel rebars can be used in railway and transportation infrastructure. Steel rebars, also known as reinforcing bars, are commonly used in the construction industry to provide strength and support to concrete structures. In railway and transportation infrastructure, where robust and durable structures are required, steel rebars are often used to reinforce concrete elements such as bridge piers, abutments, and retaining walls. The use of steel rebars in railway and transportation infrastructure offers several advantages. Firstly, steel rebars enhance the tensile strength of concrete, making the structures more resistant to the dynamic and heavy loads imposed by trains and vehicles. This is particularly important in bridges and elevated structures where the loads can be significant. Secondly, steel rebars provide structural integrity and prevent the development of cracks and deformations in the concrete. This is crucial for maintaining the long-term stability and safety of the infrastructure, especially considering the constant exposure to various environmental conditions, such as temperature variations and vibrations. Furthermore, steel rebars are highly durable and resistant to corrosion, which is essential in railway and transportation infrastructure that is often exposed to harsh weather conditions and chemical agents. Their ability to withstand these factors ensures the longevity of the structures and reduces the need for frequent repairs and maintenance. In conclusion, steel rebars can and are commonly used in railway and transportation infrastructure due to their ability to enhance the strength, durability, and stability of concrete structures. Their use ensures the safe and reliable operation of these vital transportation systems, providing a solid foundation for the efficient movement of people and goods.
- Q: What is the typical lead time for ordering steel rebars?
- The lead time for ordering steel rebars can vary depending on various factors, such as the quantity required, the specific grade and size needed, and the availability and location of the supplier. Typically, if the rebars are readily available and in stock, the lead time can range from a few days to a couple of weeks, assuming the supplier has the necessary inventory and transportation logistics are straightforward. However, if the rebars require special manufacturing or are in high demand, the lead time can be longer. In such cases, it may take several weeks or even months to receive the rebars, especially for large or custom orders that involve special fabrication processes or if the supplier is facing production constraints. To obtain a more accurate estimate of the lead time, it is important to communicate with the supplier and provide them with all the necessary project requirements. It is also advisable to plan ahead and place the order well in advance, particularly for projects with strict deadlines, to ensure the timely arrival of the rebars.
- Q: Can steel rebars be used in soundproof structures?
- Steel rebars, although they can be utilized in soundproof structures, do not bear the sole responsibility for soundproofing. Their main purpose lies in reinforcing concrete structures like walls or floors. While they can somewhat assist in diminishing sound transmission, accomplishing effective soundproofing necessitates the use of supplementary materials and techniques. To establish a soundproof structure, various factors must be taken into account. One crucial aspect is the mass of the structure. Due to their weight and density, steel rebars augment the mass of the structure, thus aiding in reducing sound transmission. Nevertheless, the efficacy of soundproofing also relies on the overall design, construction techniques, and integration of other sound-absorbing materials. To heighten the soundproofing capabilities of a structure, additional materials can be incorporated, such as acoustic insulation, soundproofing panels, or resilient channels. Acoustic insulation materials like mineral wool or acoustic foam can be installed within the walls or floors to absorb sound waves and prevent their passage through the structure. Soundproofing panels can also be affixed to surfaces to either reflect or absorb sound waves, further diminishing noise transmission. Furthermore, proper construction techniques should be employed to ensure the absence of gaps or air leaks that may permit sound to travel through. The utilization of resilient channels, which isolate the structure from surrounding surfaces, can also aid in reducing sound transmission. In conclusion, while steel rebars can contribute to the soundproofing of a structure through the augmentation of its mass, they alone are inadequate for achieving a fully soundproof environment. Effective soundproofing necessitates a combination of design, construction techniques, and the integration of supplementary sound-absorbing materials to attain the desired level of sound reduction.
- Q: What does "4E" mean on the rebar?
- The meaning of 4E on the rebar is HRB400 seismic reinforcement (HRB400e). 4 is HRB400 (formerly known as grade 3 steel), e is earthquake's e, meaning earthquake resistance. The steel bars marked with e have reached the standard of "anti-seismic" steel issued by the state.
- Q: What is the effect of moisture on steel rebars?
- The impact of moisture on steel rebars can have significant consequences and give rise to a range of problems. Moisture has the ability to expedite the process of corrosion in steel rebars, leading to their gradual deterioration and rusting. This corrosion ultimately weakens the structural integrity of the rebars and can result in failures within concrete structures. When steel rebars come into contact with moisture, it initiates an electrochemical reaction called corrosion, whereby the water reacts with the iron in the steel. This reaction yields iron oxide, commonly known as rust, which expands and causes the rebars to crack and flake. As the corrosion progresses, the rebars gradually lose their strength, compromising the overall stability of the structure. Moisture also contributes to the development of carbonation in concrete, further heightening the risk of corrosion in steel rebars. Carbonation takes place when carbon dioxide from the atmosphere reacts with the calcium hydroxide in concrete, reducing the alkalinity of the material. This decrease in alkalinity diminishes the rebars' ability to passivate, rendering them more susceptible to corrosion. Apart from corrosion, moisture can lead to other issues such as concrete expansion, freeze-thaw damage, and efflorescence. When moisture infiltrates the concrete and subsequently freezes, it expands, causing cracks and flaking. This freeze-thaw cycle can further accelerate the corrosion process in steel rebars. On the other hand, efflorescence refers to the formation of crystalline deposits on the surface of concrete when moisture evaporates, leaving behind salts. This powdery, white substance not only detracts from the appearance of concrete structures but also serves as an indicator of potential moisture-related problems. To mitigate the adverse effects of moisture on steel rebars, several preventive measures can be implemented. These include utilizing rebars that possess resistance to corrosion, applying protective coatings or membranes to the rebars, ensuring adequate concrete cover over the rebars, and implementing effective drainage systems to prevent the accumulation of moisture. Regular inspections and maintenance are also of utmost importance in order to identify and address any moisture-related issues before they escalate and result in structural complications.
- Q: Can steel rebars be used in tunneling and mining operations?
- Yes, steel rebars can be used in tunneling and mining operations. Steel rebars provide structural reinforcement and support to the tunnels and mining structures, ensuring their stability and strength. They are commonly used to reinforce concrete structures in these operations due to their high tensile strength and durability.
- Q: Can steel rebars be used in bridge construction?
- Yes, steel rebars are commonly used in bridge construction. They provide strength and reinforcement to the concrete used in bridge components such as beams, columns, and foundations. Steel rebars enhance the structural integrity and load-bearing capacity of the bridge, making it a durable and long-lasting infrastructure.
- Q: Can steel rebars be used in structures with heavy dynamic loads?
- Yes, steel rebars can be used in structures with heavy dynamic loads. Steel rebars are commonly used in construction projects to reinforce concrete and provide additional strength and durability. They are designed to withstand various types of loads, including heavy dynamic loads caused by vibrations, impacts, or moving loads. The high tensile strength and flexibility of steel rebars make them suitable for withstanding dynamic loads and ensuring the structural integrity of the building or infrastructure.
- Q: Are steel rebars resistant to chemical attacks?
- The resistance of steel rebars to chemical attacks may vary depending on the specific chemicals they encounter, although they are typically resistant. Steel rebars are primarily composed of carbon steel, renowned for its exceptional strength and durability. Carbon steel exhibits good resistance to numerous common chemicals, including water, mild acids, and alkalis. Nevertheless, certain chemicals can pose a threat to steel rebars by inducing corrosion or deterioration. For instance, powerful acids like sulfuric acid or hydrochloric acid can swiftly corrode steel rebars. Furthermore, exposure to chlorides, such as those present in saltwater or deicing salts, can heighten the risk of corrosion in steel rebars. To bolster the resistance of steel rebars against chemical attacks, several protective measures can be implemented. One prevalent approach involves the application of protective coatings, such as epoxy or zinc, onto the rebars. These coatings create a barrier between the steel and the chemicals, preventing direct contact and reducing the likelihood of corrosion. In conclusion, although steel rebars generally exhibit resistance to chemical attacks, their resistance can be influenced by the specific chemicals they encounter. By implementing appropriate protective measures, their resistance can be enhanced, thus prolonging their lifespan in environments where chemical exposure is a concern.
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Deformed Steel Bar Quality Guaranteed Thermo mechanically
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 28 m.t.
- Supply Capability:
- 20000 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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