Trade Assurance steel rebar from good mill
- 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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Specification
Standard:
AISI,ASTM,JIS,EN
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
RHB335,HRB400
Certification:
ISO,SGS
Thickness:
6-40mm
Length:
5.8-12m
Net Weight:
1-2mt
Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar
or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures
to strengthen and hold the concrete in tension. Rebar's surface is often patterned to form a better bond with
the concrete.
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 the proper spacing of steel rebars in slabs?
- The guidelines for the proper spacing of steel rebars in slabs are crucial to ensure the structural integrity and strength of the concrete slab. Here are the general guidelines to follow: 1. Rebar Diameter: The diameter of the steel rebar should be determined based on the load and design requirements. Common rebars sizes range from 6mm to 32mm. 2. Spacing: The spacing between rebars is determined by the thickness of the slab and the design specifications. As a general rule, the spacing should not exceed three times the slab thickness. For example, if the slab thickness is 150mm, the maximum spacing between rebars should be 450mm. 3. Edge Distance: The distance between the rebar and the edge of the slab is also crucial. The minimum edge distance should be at least 50mm to prevent cracking and ensure proper load distribution. 4. Clear Cover: The clear cover refers to the distance between the rebar and the surface of the slab. It is essential to provide sufficient clear cover to protect the rebar from corrosion. The clear cover requirements vary depending on the environmental conditions, but commonly range from 20mm to 40mm. 5. Reinforcement Ratio: The reinforcement ratio is the amount of steel reinforcement used per unit area of the slab. This ratio is determined by the load requirements and the design specifications. Typically, the reinforcement ratio ranges from 0.5% to 2%. 6. Lap Splicing: In cases where the length of the rebar is insufficient, lap splicing is required. The lap length should be determined based on the rebar diameter, grade, and design requirements. 7. Placement: The rebars should be placed accurately and securely inside the slab formwork. Proper alignment and placement ensure that the rebars are positioned correctly to resist the anticipated loads. It is important to note that these guidelines are general and may vary depending on the specific project, structural design, and local building codes. It is recommended to consult with a structural engineer or refer to the relevant building codes and standards for precise guidelines specific to your project.
- Q: Thread steel 20*9 one is 2.001T. How many pieces of this one?
- Thread steel 20*9, one is 2.001T, and this one has about 90. Thread steel 20*9, parameter is 20mm in diameter, length is 9m.
- Q: What is the lifespan of steel rebars in marine structures?
- The durability of steel rebars in marine structures can vary due to several factors, including the quality of the steel, the environmental conditions they are exposed to, and the maintenance strategies employed. However, marine structures that are designed, constructed, and maintained appropriately can typically endure for 50 to 100 years. Typically, steel rebars used in marine structures are coated with corrosion-resistant materials, like epoxy or zinc, to shield them from the harsh marine environment. These coatings serve as an extra layer of protection, extending the lifespan of the rebars. Nevertheless, it is crucial to acknowledge that the marine environment is highly corrosive due to the presence of saltwater, humidity, and other corrosive agents. Over time, these elements can cause the deterioration of the protective coatings, exposing the rebars to corrosion. Without adequate maintenance measures, such as regular inspections, cleaning, and reapplication of protective coatings, the rebars may experience accelerated corrosion, leading to a shortened lifespan. Furthermore, the design and construction of marine structures play a critical role in determining the lifespan of steel rebars. It is essential to carefully consider factors like structural design, material selection, and detailing to minimize the risk of corrosion and ensure the longevity of the rebars. To summarize, the lifespan of steel rebars in marine structures can vary from 50 to 100 years based on factors such as steel quality, environmental conditions, and maintenance practices. Proper design, construction, and maintenance are crucial for maximizing the lifespan of steel rebars in marine structures.
- Q: What are the guidelines for ensuring proper bond between steel rebars and concrete?
- The guidelines for ensuring proper bond between steel rebars and concrete are crucial to ensure the structural integrity and performance of reinforced concrete structures. Here are some key guidelines to follow: 1. Proper Bar Placement: The rebars should be positioned within the concrete member as per the design specifications, including the required spacing, cover, and lap lengths. The spacing between rebars and the concrete surface should be maintained to provide enough concrete cover and prevent corrosion. 2. Adequate Surface Preparation: The steel rebars should be free from any loose rust, scale, or contaminants that could hinder the bond with the concrete. Surface preparation techniques such as wire brushing, sandblasting, or using a high-pressure water jet can be employed to clean the rebars effectively. 3. Mechanical Bond: Ribbed or deformed rebars offer better mechanical bond with concrete compared to smooth bars. The surface deformations increase the contact area between the rebar and the concrete, enhancing the bond strength. 4. Proper Embedment Length: The embedment length, also known as the development length, is the distance over which the rebar is embedded in the concrete. It is typically calculated based on the required bond strength, concrete strength, and rebar diameter. Adequate embedment length is crucial to achieve the desired bond performance. 5. Concrete Quality: The quality of concrete, including its strength, workability, and curing, plays a significant role in achieving a proper bond with steel rebars. The concrete mix should be proportioned correctly, ensuring adequate cement content, appropriate water-to-cement ratio, and proper compaction during placement. 6. Adequate Concrete Cover: Sufficient concrete cover should be provided around the rebars to protect them from environmental factors, prevent corrosion, and ensure long-term durability. The concrete cover is typically specified in design codes and should be maintained during construction. 7. Proper Reinforcement Splicing: When multiple rebars need to be connected, proper splicing techniques should be employed to ensure a continuous and strong bond. Lap splices, mechanical couplers, or welded splices can be used depending on the design requirements and project specifications. 8. Effective Vibrations: During concrete placement, proper vibration techniques should be employed to ensure adequate compaction and minimize voids or honeycombs around the rebars. This helps to achieve a better bond between the steel rebars and the surrounding concrete. 9. Avoidance of Contamination: The rebars should be protected from contamination during storage and construction. Exposure to excessive moisture, chemicals, or other corrosive substances can compromise the bond between the rebars and the concrete. 10. Adherence to Design Specifications: Finally, it is crucial to strictly adhere to the design specifications and recommendations provided by structural engineers or relevant design codes. These guidelines are tailored to ensure a proper bond between steel rebars and concrete, taking into account various factors such as loadings, environmental conditions, and durability requirements.
- Q: Can steel rebars be used in wastewater storage tanks?
- Yes, steel rebars can be used in wastewater storage tanks.
- Q: How are steel rebars transported and stored on construction sites?
- Trucks or trailers are typically used to transport steel rebars to construction sites. These vehicles are specifically designed to safely carry and unload the heavy and bulky rebars. When the rebars arrive at the site, they are usually offloaded using cranes or forklifts. To make storage and access more efficient, rebars are often kept in designated areas known as rebar yards. These yards are typically organized in a manner that allows for easy identification and retrieval of rebars when needed. The rebars are sorted and stacked according to their size, length, and type to avoid any confusion during construction. In the rebar yard, rebars are commonly stored horizontally on racks made of steel or wood. These racks are designed to provide proper support and prevent any damage to the rebars. It's important to note that rebars should be stored above ground level to protect them from moisture, rust, and contamination. They should also be kept away from damp areas and direct contact with soil. To maintain the quality of the rebars, it's crucial to protect them from rain, snow, and excessive sunlight. Therefore, construction sites often utilize protective covers like tarps or plastic sheets to shield the rebars and prevent any corrosion or deterioration. Additionally, construction workers must handle rebars with care to avoid bending or deformation. Special attention should be paid to prevent dropping or dragging of rebars, as it can compromise their structural integrity. Overall, careful planning and adherence to safety guidelines are necessary for the transportation and storage of steel rebars on construction sites. This ensures the rebars maintain their quality and effectiveness in reinforcing concrete structures.
- Q: Can steel rebars be used in coastal construction?
- Yes, steel rebars can be used in coastal construction. Steel rebars are commonly used in coastal construction due to their high strength and durability. They have excellent resistance to corrosion, which is crucial in coastal areas where the presence of saltwater and high humidity can lead to accelerated corrosion of building materials. Additionally, steel rebars can withstand the forces of the waves and strong winds typically experienced in coastal regions. They are able to provide the necessary structural support for buildings, bridges, seawalls, and other coastal infrastructure. However, it is important to ensure proper protective measures are taken, such as using corrosion-resistant coatings or stainless steel rebars, to further enhance their durability and longevity in coastal environments.
- Q: What are the guidelines for installing steel rebars in concrete columns?
- The guidelines for installing steel rebars in concrete columns involve several important considerations to ensure the structural integrity and durability of the columns. 1. Reinforcement design: The first step is to have a proper reinforcement design that specifies the size, length, and spacing of the rebars. This design should be prepared by a qualified engineer or consultant, taking into account the column's load-bearing requirements and the structural design standards. 2. Rebar preparation: Before installation, the steel rebars should be thoroughly cleaned to remove any rust, oil, or other contaminants that may hinder the bond between the rebar and the concrete. Additionally, the ends of the rebars should be properly cut and bent as specified in the reinforcement design. 3. Placement: The rebars should be placed accurately as per the reinforcement design. They should be positioned in the center of the column and secured to maintain the required spacing and alignment. The rebars should not touch the formwork or be placed too close to the edges of the column. 4. Splicing: When the height of the column exceeds the length of the rebar, splicing is necessary. Rebar splicing should be done according to the approved methods, such as lap splicing, mechanical couplers, or welded splices. The spliced rebars should have sufficient overlap length and provide a continuous load path. 5. Tying: Proper tying of the rebars is crucial to maintain their position during the concrete pouring. The rebars should be tied securely at the intersections using binding wire or other approved tying methods. The ties should be tight enough to prevent displacement but not too tight to damage the rebars. 6. Concrete pouring: Once the rebars are installed, the concrete is poured into the formwork, surrounding the rebars completely. Care should be taken to avoid segregation or honeycombing in the concrete, which can compromise the bond between the rebars and the concrete. 7. Concrete cover: The reinforcement design will specify the required concrete cover over the rebars. This cover protects the rebars from corrosion and provides fire resistance. It is crucial to maintain the specified concrete cover throughout the column's height and ensure it is not compromised during construction. 8. Quality control: Regular inspections and quality control measures should be implemented during the installation process. This includes checking the reinforcement alignment, spacing, and cover, as well as verifying the use of proper tying methods and splicing techniques. By following these guidelines, the installation of steel rebars in concrete columns can be carried out effectively, ensuring the structural strength and durability of the columns. It is essential to adhere to the local building codes and standards, as well as seek professional advice if needed, to ensure the proper installation of rebars in concrete columns.
- 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: 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 reinforced concrete structures to provide tensile strength and improve the overall structural integrity. They are specifically designed to withstand heavy loads, including dynamic loads such as those caused by vibrations, earthquakes, or moving vehicles. The high tensile strength of steel rebars allows them to absorb and distribute the dynamic loads effectively, preventing structural failure or collapse. Additionally, steel rebars have excellent fatigue resistance, which means they can withstand repeated loading and unloading cycles without losing their strength or integrity. To ensure proper performance under heavy dynamic loads, engineers consider various factors such as the size, shape, and spacing of rebars, as well as the concrete quality and the design of the structure itself. By carefully designing and reinforcing the structure with steel rebars, it is possible to create a safe and durable building that can withstand heavy dynamic loads.
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Trade Assurance steel rebar from good mill
- 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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