HRB400 Deformed Steel Rebar hot sale for constraction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 18000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Item specifice
Standard:
AISI,ASTM,JIS,EN
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
RHB335,HRB400
Certification:
ISO,SGS
Thickness:
6-40mm
Length:
6-12m
Net Weight:
1-2mt
Reinforcing bars, steel rebar is metal bars often used in construction for pouring concrete or supporting walls
and columns. The rebar can be smooth, though they are frequently manufactured with deformations that create
greater texture to which concrete can adhere, creating a stronger bond that helps prevent cracking of concrete.
These deformations do not create weaknesses in the rebar, and when rebar is measured to determine its diameter,
it is typically measured at the narrowest point. Strength grades indicate the amount of pressure the steel rebar can
withstand, and grade and diameter are typically presented in both imperial and metric units
Our Advantage: High quality steel products from 1 class mills in China
Reasonable price
Professionalism of the products
On-time delivery
Complete documents and certificates
Sincere service to meet our clients' requirements
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
Our service
(1) We cooperate with famous factories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards
of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain
our position as market leader we must continue to add value in all that we do.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- 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 are crucial to ensure the durability and structural integrity of the construction. Here are the general guidelines for the cover thickness: 1. Building codes and regulations: Always refer to the local building codes and regulations, as they provide specific requirements for the cover thickness of steel rebars in concrete structures. These codes are developed based on extensive research, testing, and engineering standards to ensure the safety and longevity of the structure. 2. Environmental conditions: Consider the environmental conditions where the structure will be located. Factors such as exposure to corrosive substances, humidity, temperature changes, and seismic activity can affect the required cover thickness. In harsher environments, thicker covers may be necessary to provide adequate protection against corrosion. 3. Rebar diameter: The diameter of the steel rebars also plays a role in determining the appropriate cover thickness. Smaller diameter rebars may require a thinner cover compared to larger diameter rebars to maintain proper strength and prevent corrosion. 4. Structural design considerations: The design of the concrete structure, including load-bearing capacity, reinforcement layout, and anticipated stresses, should be taken into account when determining the cover thickness. Consulting with a structural engineer is essential to ensure the correct cover thickness is determined based on the specific design requirements. 5. Concrete quality: The quality and type of concrete used in the construction also affect the required cover thickness. Higher-grade concrete with better resistance to corrosion may allow for a thinner cover, while lower-grade concrete might require a thicker cover to provide adequate protection to the rebars. 6. Construction process: The construction process itself can impact the cover thickness. Proper placement and compaction of the concrete, as well as careful handling of rebars during installation, are vital to maintain the desired cover thickness. Construction workers and contractors should be trained and knowledgeable about the correct procedures to ensure the appropriate cover thickness is achieved. Following these guidelines is essential to ensure the long-term durability, safety, and performance of concrete structures. It is always recommended to consult with a qualified structural engineer or other relevant professionals to determine the specific cover thickness requirements for a particular project.
- Q:Can steel rebars be used in shopping mall construction?
- Yes, steel rebars can be used in shopping mall construction. Steel rebars are commonly used in the construction industry for reinforcing concrete structures, providing strength and stability to the building. In shopping mall construction, steel rebars are often used to reinforce the concrete foundation, columns, beams, and other structural elements to ensure the safety and durability of the building.
- Q:Can steel rebars be used in concrete columns?
- Concrete columns can indeed incorporate steel rebars. In fact, it is a prevalent practice in the construction industry to reinforce concrete structures, including columns, with steel rebars. By embedding the rebars within the concrete mixture, the columns gain increased strength and durability. The primary purpose of incorporating rebars in concrete columns is to enhance their ability to withstand tension. Adding this additional tensile strength prevents the columns from cracking or failing when subjected to various loads and forces. The utilization of steel rebars in concrete columns is widely recognized and considered vital for maintaining the structural integrity and long-term viability of the columns.
- Q:Can steel rebars be used in the construction of airports and terminals?
- Yes, steel rebars can be used in the construction of airports and terminals. Steel rebars provide strength and durability to concrete structures, making them suitable for the heavy loads and high traffic typically found in airports and terminals.
- Q:How are steel rebars protected from concrete spalling?
- Various methods and techniques are utilized to safeguard steel rebars from concrete spalling. One commonly employed approach involves the application of a concrete cover over the rebars. This entails embedding the rebars within the concrete structure to prevent direct exposure to external elements or conditions that may lead to spalling. To ensure adequate protection, construction codes and standards typically prescribe the thickness of the concrete cover. Another means of shielding steel rebars from concrete spalling is the use of corrosion inhibitors. These inhibitors are typically incorporated into the concrete mix during construction. They function by reducing the rate of corrosion for the steel rebars, effectively safeguarding them against spalling caused by rusting and corrosion. In addition to concrete cover and corrosion inhibitors, proper concrete mix design holds significant importance in protecting steel rebars. The utilization of high-quality concrete with an appropriate water-cement ratio, adequate strength, and suitable curing greatly enhances the concrete's resistance against spalling. This guarantees the secure embedding of the rebars within the concrete structure and shields them from moisture or other deteriorating agents that could lead to spalling. Furthermore, adhering to proper construction practices, such as thorough compaction of concrete, precise placement and alignment of rebars, and effective waterproofing measures, also contribute to the protection of steel rebars from concrete spalling. These practices help minimize the likelihood of moisture ingress and the formation of cracks or voids that could expose the rebars to the risk of spalling. In summary, a combination of concrete cover, corrosion inhibitors, appropriate concrete mix design, and sound construction practices are vital in safeguarding steel rebars from concrete spalling. By implementing these measures, the durability and lifespan of concrete structures can be significantly enhanced.
- Q:Can steel rebars be used in underground parking garage construction?
- Yes, steel rebars can be used in underground parking garage construction. Steel rebars are commonly used in the construction of reinforced concrete structures, including underground parking garages, to provide strength and durability to the concrete. The rebars are embedded within the concrete to resist tension and enhance the overall structural integrity of the garage.
- Q:Can steel rebars be used in structures with limited construction timeframes?
- Structures with limited construction timeframes can indeed utilize steel rebars. These rebars are frequently employed in construction projects due to their remarkable tensile strength, making them ideal for reinforcing concrete structures. Speedy and efficient installation is achievable with steel rebars, enabling faster construction compared to alternative reinforcement materials. Moreover, steel rebars offer durability and long-term stability, guaranteeing the integrity of the structure, even in time-constrained projects. Hence, employing steel rebars proves to be an effective solution for structures with limited construction timeframes, as they deliver both strength and swiftness in the construction process.
- Q:What are the different grades of steel rebars available?
- In the market, there are various grades of steel rebars available, each with its own specific characteristics and applications. The commonly used grades are as follows: 1. Grade 40: This rebar has low strength and is suitable for general construction purposes where high tensile strength is not necessary. It is commonly utilized in residential buildings, sidewalks, and driveways. 2. Grade 60: Offering higher tensile strength than Grade 40, this rebar is of medium strength. It finds wide usage in commercial buildings, bridges, and infrastructure projects. Grade 60 rebar provides excellent reinforcement for heavy loads and ensures structural stability. 3. Grade 75: With exceptional tensile strength, this rebar is of high strength and is often employed in challenging construction projects. It is commonly used in high-rise buildings, parking garages, and industrial structures to ensure superior reinforcement and structural integrity. 4. Grade 80 and higher: These rebars are designed for specialized applications where extreme load-bearing capacity is required. They are commonly used in heavy-duty infrastructure projects, such as dams, tunnels, and nuclear power plants, where the demand for strength is significantly greater. The selection of the grade of steel rebar depends on factors such as the specific construction project, load-bearing requirements, and environmental conditions. Engineers and architects assess these factors to determine the most suitable grade of steel rebar for a particular application, ensuring optimal performance and structural durability.
- Q:How do steel rebars affect the cost of a construction project?
- Steel rebars can significantly affect the cost of a construction project in several ways. Firstly, steel rebars are commonly used in reinforced concrete structures to provide strength and stability. The quantity and quality of rebars required for a project depend on factors such as the size, design, and intended use of the structure. The cost of steel rebars itself is a major factor. The price of steel rebars fluctuates due to market conditions, availability, and demand, so it can significantly impact the overall project cost. Additionally, the grade and quality of steel rebars can also vary, with higher grades generally being more expensive. Furthermore, the quantity of steel rebars needed directly affects the cost. Large-scale projects that require a significant amount of steel rebars, such as high-rise buildings or infrastructure projects, can have substantial rebar expenses. The cost is influenced by factors such as the size and complexity of the structure, as well as the engineering and design requirements. Labor costs associated with handling, cutting, bending, and placing the rebars are another consideration. Skilled labor is required to properly install rebars, ensuring they are correctly positioned and secured. The more complex the structure or design, the more labor-intensive and time-consuming the rebar installation becomes, resulting in higher labor costs. Additionally, the use of steel rebars can impact project scheduling and timelines. It may require additional time for the procurement, delivery, and installation of rebars, which can potentially delay the overall construction schedule. Any delays can lead to increased project costs due to extended labor and overhead expenses. Lastly, the long-term cost implications of using steel rebars need to be considered. Steel rebars provide durability and strength to concrete structures, which can result in reduced maintenance and repair costs over the lifespan of the project. Investing in high-quality rebars initially can save money in the long run by minimizing the need for future repairs or replacements. In conclusion, the use of steel rebars significantly affects the cost of a construction project. The cost of the rebars themselves, the quantity required, labor expenses, project scheduling, and long-term durability considerations all contribute to the overall impact on the project cost. It is essential for construction professionals to carefully analyze and plan for these factors to ensure accurate cost estimations and successful project execution.
- Q:How do steel rebars affect the overall fire resistance of a structure?
- Reinforced concrete structures commonly utilize steel rebars, which play a crucial role in increasing a building's fire resistance. The presence of steel rebars ensures structural stability and prevents the building from collapsing in the event of a fire. Steel possesses inherent fire-resistant qualities and has a high melting point. When exposed to fire, the steel rebars gradually heat up, maintaining their integrity and structural strength. The slow transfer of heat in steel aids in preventing the fire from spreading and slows down the rate at which the temperature rises. Additionally, the thermal conductivity of steel rebars is relatively lower compared to other construction materials like concrete. This property allows the steel rebars to act as a heat sink, absorbing and dissipating heat away from the vulnerable areas of the structure. Consequently, the rebars help reduce the overall temperature within the building, thereby prolonging the time before the critical temperature for structural failure is reached. Moreover, the presence of steel rebars within the concrete matrix creates a composite structure that benefits from the fire-resistant properties of concrete. Concrete possesses a high heat capacity and is known for its ability to resist fire and heat transfer. The combination of steel rebars and concrete results in a synergistic effect that enhances the fire resistance of the structure. Furthermore, steel rebars contribute to the overall fire resistance by improving the load-bearing capacity of a building during a fire. The structural integrity provided by the steel rebars ensures the stability of the structure, prevents structural collapse, and facilitates safer evacuation. In conclusion, steel rebars have a positive impact on a structure's overall fire resistance. They provide structural stability, slow down temperature rise, act as a heat sink, and enhance the load-bearing capacity. The combination of steel rebars and concrete results in a fire-resistant composite structure, thereby improving the safety and integrity of the building during a fire event.
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HRB400 Deformed Steel Rebar hot sale for constraction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 18000 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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