Steel rebar 12mm 16mm for real estate constraction
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Specification
Steel rebar is bars of steel commonly used in construction, especially for reinforcing concrete structures such as
driveways, foundations, walls, and columns. These bars come in different sizes and strength grades, and can be
smooth or may include deformations that provide greater adhesion for concrete poured over the bars. When used
in poured concrete, the bars are typically placed in a grid pattern, the concrete poured over them, and then readjusted
to maintain the proper shape while the concrete sets. Steel rebar can be purchased from a number of manufacturers
and is often found at construction retailers or large hardware stores.
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: Are steel rebars suitable for use in road construction?
- Certainly, steel rebars prove to be a suitable choice for road construction. These reinforcing bars, widely recognized as steel rebars, find common application in road construction endeavors owing to their exceptional strength and durability. By reinforcing concrete and improving the road's structural integrity, they enable it to endure heavy loads and traffic for extended periods. Steel rebars exhibit remarkable resistance to corrosion and boast a high tensile strength, enabling them to effectively absorb and distribute the stress and strain generated by vehicles traversing the road's surface. Furthermore, steel rebars offer flexibility and prevent concrete from cracking, rendering them an indispensable element in road construction, ensuring the creation of long-lasting and secure roads.
- Q: What is the role of steel rebars in the construction of parking structures?
- The role of steel rebars in the construction of parking structures is to provide reinforcement and strength to the concrete. Rebars are placed within the concrete to absorb tension and enhance the structural integrity of the parking structure, ensuring its ability to withstand heavy loads and resist cracking or collapsing. They help distribute the load evenly throughout the structure, preventing any potential failures and ensuring the safety and durability of the parking facility.
- Q: Can steel rebars be welded or spliced together?
- Steel rebars can be welded or spliced together. Welding is a commonly utilized technique in joining steel rebars. It involves heating the rebars to a high temperature and utilizing a welding electrode to melt the steel, forming a sturdy bond. Welding is commonly employed in construction projects that require continuous reinforcement. Alternatively, splicing involves connecting two rebars using mechanical connectors or couplers. These connectors are designed to offer a dependable and robust connection between the rebars. Splicing is frequently used when extending rebars or joining different rebars. Both welding and splicing methods possess their own advantages and disadvantages. Welding provides continuous reinforcement and establishes a strong bond between the rebars; however, it necessitates skilled labor and can be time-consuming. On the other hand, splicing is a quicker and easier process, but it may slightly reduce the overall strength of the reinforcement. It is crucial to note that the utilization of welding or splicing for steel rebars must conform to the appropriate codes and standards, as well as receive approval from the structural engineer or responsible authority.
- Q: Can steel rebars be used in reinforced masonry?
- Yes, steel rebars can be used in reinforced masonry. Reinforced masonry refers to the use of steel reinforcement within masonry walls, columns, or other structural elements to increase their strength and resistance to various forces. Steel rebars are commonly used as reinforcement in reinforced masonry due to their high tensile strength and ability to withstand bending and stretching forces. The rebars are typically embedded within the masonry units or mortar, creating a composite structure that can resist compressive, tensile, and shear forces more effectively. The use of steel rebars in reinforced masonry enhances the structural integrity, durability, and overall performance of the masonry construction, making it a widely accepted and practiced technique in the industry.
- Q: What are the guidelines for spacing and positioning steel rebars in concrete structures?
- The guidelines for spacing and positioning steel rebars in concrete structures are critical to ensure the structural integrity and durability of the construction. Here are some key guidelines to follow: 1. Rebar Spacing: The spacing between steel rebars in concrete structures is determined by the structural engineer or designer. It is typically expressed in terms of center-to-center spacing or clear distance between rebars. The spacing depends on the load requirements, concrete strength, and other factors specific to the project. The most common spacing ranges from 4 to 12 inches. 2. Cover Depth: The concrete cover depth refers to the distance between the outer surface of the concrete and the nearest surface of the rebar. It is essential to provide adequate cover to protect the rebars from environmental factors, such as corrosion and fire. The cover depth is typically specified in the project's design and can vary depending on the concrete's exposure conditions. 3. Rebar Positioning: The proper positioning of rebars is crucial to ensure they are placed in the designated locations within the concrete structure. The rebars should be securely supported and maintained in the correct alignment during the concrete pouring process. The positioning requirements may include specific lap lengths, overlaps, or hooking of rebars at junctions to ensure proper load transfer and structural continuity. 4. Chair Supports: Rebar chair supports are widely used to maintain the correct spacing and elevation of the rebars within the concrete structure. These supports are placed under the rebars at regular intervals to prevent sagging or displacement during concrete placement. The appropriate chair support type and height should be selected based on the project's requirements and the diameter of the rebars. 5. Tying and Binding: Proper tying and binding of rebars are essential to ensure they remain in position and maintain the required spacing during the concrete pouring process. Rebars should be tied securely using wire or rebar ties at appropriate intervals, typically every 12-18 inches. The ties should be tight enough to prevent movement but not overly tight to avoid damaging the rebars or causing concrete segregation. 6. Concrete Consolidation: During concrete placement, it is crucial to properly consolidate the concrete around the rebars to eliminate air voids and ensure adequate bonding between the concrete and the rebars. Vibrators or other consolidation techniques should be used to achieve proper compaction and ensure the rebars are thoroughly embedded in the concrete. Compliance with the guidelines for spacing and positioning steel rebars in concrete structures is essential to guarantee the structural strength, durability, and safety of the construction. It is crucial to consult and follow the project's design specifications and engage qualified professionals to ensure proper execution and adherence to these guidelines.
- Q: Can steel rebars be used in structures with high chloride ion concentration?
- Steel rebars should generally not be used in structures with high chloride ion concentration, as the presence of chloride ions can lead to corrosion of the steel. Chloride ions can penetrate the concrete and come into contact with the steel reinforcement, causing it to corrode and weaken over time. This corrosion can eventually lead to structural failure and compromise the safety and integrity of the structure. To mitigate the risk of corrosion in high chloride ion environments, alternative materials such as stainless steel rebars or fiber-reinforced polymers (FRP) can be used. Stainless steel rebars are more resistant to corrosion compared to regular steel rebars due to their higher chromium content. FRP rebars, on the other hand, are non-metallic and do not corrode, making them a suitable option for structures exposed to high chloride ion concentrations. It is important to consider the specific environment and exposure conditions when selecting the appropriate material for reinforcement in structures. Consulting with a structural engineer and following relevant building codes and standards can help ensure the use of suitable materials and prevent potential corrosion issues in high chloride ion environments.
- Q: How are steel rebars used in the construction of chemical processing plants?
- Steel rebars are commonly used in the construction of chemical processing plants to provide structural reinforcement and increase the overall strength and durability of the structures. These rebars, also known as reinforcing bars, are typically made of carbon steel and are used to reinforce concrete structures such as foundations, walls, columns, and beams. Chemical processing plants often involve the handling of hazardous and corrosive substances, which can put significant stress on the infrastructure. Steel rebars are crucial in ensuring the integrity of the structures and preventing potential collapse or failure. In the construction of chemical processing plants, steel rebars are usually embedded within the concrete to form a reinforced concrete structure. This combination of concrete and steel rebars creates a composite material that has enhanced tensile strength, allowing it to withstand the heavy loads, vibrations, and extreme temperature fluctuations commonly found in chemical plants. Additionally, the use of steel rebars helps prevent cracks and structural deformations caused by shrinkage, settling, or external forces. This is important in chemical processing plants where maintaining a secure and stable environment is crucial for the safety of employees and the integrity of the plant's operations. Moreover, steel rebars offer excellent resistance to corrosion, which is vital in chemical processing plants where exposure to corrosive chemicals and high humidity levels is common. By providing a protective barrier to the underlying concrete, steel rebars help prevent corrosion-induced deterioration, extending the lifespan of the structures and reducing maintenance costs. Overall, steel rebars play a critical role in the construction of chemical processing plants by ensuring the structural stability, durability, and resistance to corrosion necessary for the safe and efficient operation of these facilities.
- 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 tunnel construction projects?
- Indeed, tunnel construction projects can incorporate steel rebars. As a matter of fact, steel rebars are frequently employed as reinforcement in concrete structures, such as tunnels. They furnish the indispensable robustness and resilience essential for withstanding the loads and pressures tunnels encounter. Typically, the rebars are positioned within the concrete lining of the tunnel, augmenting its structural soundness and averting fissures or cave-ins. Furthermore, steel rebars can be conveniently molded and curved to align with the precise design specifications of the tunnel, rendering them a versatile and pragmatic selection for tunnel construction projects.
- Q: What is the process of welding steel rebars together?
- The process of welding steel rebars together involves first cleaning the rebars to remove any rust, paint, or contaminants. Then, the rebars are positioned and clamped into place using jigs or fixtures. A welding machine is used to generate an electric arc between the rebars, which melts the metal at the joint. A filler metal, usually in the form of welding rods, is added to the molten pool to reinforce the weld. The arc heat fuses the rebars and filler metal together, forming a strong bond. Finally, the welded rebars are allowed to cool down, and any excess weld material is cleaned off to achieve a smooth finish.
Send your message to us
Steel rebar 12mm 16mm for real estate constraction
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords