Reinforced concrete iron rod for building construction
- Ref Price:
-
- Loading Port:
- China main port
- 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- 30mm
Length:
5.6-12m
Net Weight:
1-2mt
Rebar has ridges that bind it mechanically to the concrete with friction, it can still be pulled out of
the concrete under high stresses, an occurrence that often precedes a larger-scale collapse of the
structure. To prevent such a failure, rebar is either deeply embedded into adjacent structural members,
or bent and hooked at the ends to lock it around the concrete and other rebars. This first approach increases
the friction locking the bar into place while the second makes use of the high compressive strength of 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: Are there any restrictions on the use of steel rebars in certain regions?
- Yes, there can be restrictions on the use of steel rebars in certain regions due to building codes, regulations, and safety standards. These restrictions are typically implemented to ensure structural integrity, prevent corrosion, and comply with seismic requirements. It is important to consult local authorities and construction guidelines to determine specific restrictions in a particular region.
- Q: Can steel rebars be used in architectural concrete elements?
- Indeed, architectural concrete elements can incorporate steel rebars for reinforcement, thereby augmenting the strength and longevity of the structure. It is customary to employ steel rebars in concrete construction as they fortify the concrete and enhance its durability. In the realm of architectural concrete, rebars can be tactically positioned to fortify the structural integrity of the elements, while simultaneously contributing to their visual appeal. Depending on the desired design outcome, these rebars can either be visibly exposed or discreetly concealed within the concrete. By utilizing steel rebars, architects possess the versatility to fashion intricate and distinctive architectural elements, all the while ensuring the requisite strength and stability.
- 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 coated with epoxy?
- Epoxy coating, also known as epoxy rebar coating, is utilized to coat steel rebars for the purpose of protection against corrosion and other environmental factors. To initiate the process of coating steel rebars with epoxy, the first step involves preparing the surface. This essential stage entails the thorough cleaning of the rebars to eliminate any dirt, oil, or rust present. The significance of surface preparation lies in ensuring proper adhesion of the epoxy to the steel surface. Once the surface is adequately prepared, the application of the epoxy coating commences. There are various methods available for this application, including spraying, brushing, or dipping the rebars into an epoxy solution. The choice of method depends on factors such as the rebars' size and shape, as well as the desired thickness of the epoxy coating. Subsequent to the application of the epoxy, the rebars are allowed to cure. Curing is the process during which the epoxy hardens and attains its maximum strength. The duration of this process may vary depending on the specific epoxy product utilized, but it generally takes several hours or even days for the epoxy to fully cure. Upon achieving complete curing, the coated rebars are prepared for use. The epoxy coating acts as a protective barrier, effectively preventing the steel rebars from rusting and deteriorating over time. Additionally, it enhances the rebars' resistance to chemicals, moisture, and other corrosive substances. To summarize, epoxy coating proves to be an efficient method for safeguarding steel rebars against corrosion and extending their lifespan. It finds extensive application in construction projects wherein rebars are exposed to harsh environmental conditions, such as bridges, buildings, and infrastructure projects.
- Q: Can steel rebars be used in underground construction projects?
- Indeed, steel rebars have the ability to be utilized in underground construction endeavors. In fact, rebars are commonly employed in a wide array of construction projects, including those involving subterranean structures. The primary purpose of steel rebars is to fortify concrete and furnish the structure with added strength and stability. In underground construction specifically, rebars are frequently employed in the creation of foundations, walls, and columns to fortify the concrete and guarantee the integrity of the structure. By incorporating steel rebars into underground construction projects, the load-bearing capacity of the concrete is significantly enhanced, rendering it more impervious to the pressure and forces exerted by the surrounding soil and groundwater. Furthermore, steel rebars possess exceptional durability and corrosion resistance, thus rendering them appropriate for subterranean environments where they may be exposed to moisture and other potentially harmful elements. In sum, the inclusion of steel rebars in underground construction endeavors is absolutely vital in order to ensure the structural stability and longevity of these below-ground structures.
- Q: What is the process of installing steel rebars in slabs and beams?
- To ensure the concrete structure is properly reinforced, there are several steps involved in installing steel rebars in slabs and beams. Firstly, the reinforcement layout is designed by the structural engineer based on the project's specific requirements. Factors such as load-bearing capacity and span length are taken into consideration. Next, the layout is marked on the slab or beam using appropriate methods like chalk lines. This helps guide the installation process and maintain accuracy. Then, the steel rebars, which are delivered in long lengths, need to be cut and bent to the specific dimensions and angles required by the design. Specialized tools such as rebar cutters and benders are used for this process. Once the rebars are cut and bent, they are placed in the marked positions on the slab or beam. Rebar chairs, spacers, or other devices are used to support the rebars and keep them in the correct position during concrete pouring. After the rebars are correctly positioned, they are tied together using wire or other binding material to maintain proper spacing and alignment. An inspection is then carried out to ensure the rebars meet the design specifications and are properly positioned. Compliance with building codes and standards is checked. Once the rebars are inspected and approved, the concrete is poured over the reinforced area. The rebars act as reinforcement, providing added strength and stability to the structure. After the concrete is poured, it needs to cure and harden. During this time, it is important to protect the rebars and concrete from excessive moisture and temperature fluctuations. Finishing processes like leveling, smoothing, and surface treatments can be carried out after curing to achieve the desired appearance and functionality. Overall, the process of installing steel rebars in slabs and beams involves meticulous planning, precise cutting and bending, accurate placement, proper securing, and thorough inspection. This ensures a reinforced structure that meets design requirements and provides long-lasting strength and durability.
- Q: Are there any specific guidelines for storing and handling steel rebars?
- Specific guidelines exist for the storage and handling of steel rebars. Take note of the following essential points: 1. Storage: To prevent corrosion, it is necessary to store steel rebars in an area that is clean, dry, and well-ventilated. Place them on timber or other suitable materials to keep them elevated and away from moisture. 2. Handling: Exercise caution when handling steel rebars to avoid any damage or bending. It is advised to use appropriate equipment like cranes, forklifts, or sturdy hooks for lifting and moving rebars. Dragging or dropping them should be avoided as it may cause deformations and compromise their structural integrity. 3. Bundling: Properly bundle and secure rebars together using steel wires or straps to prevent rolling or shifting during storage or transportation. This ensures stability and reduces the risk of accidents. 4. Separation: Keep different sizes and types of rebars separate and clearly labeled to prevent confusion during construction. This facilitates easy identification and utilization of the required rebar according to the structural plans. 5. Protection: Guard rebars against exposure to moisture, rain, snow, and other weather elements. When storing rebars outdoors, utilize waterproof covers or tarps to shield them and prevent the formation of rust. 6. Inspection: Regular inspections should be conducted to identify signs of corrosion, damage, or bending. Any defective or compromised rebars must be promptly removed and replaced to maintain the structural integrity of the construction project. 7. Transportation: During transportation, ensure that rebars are securely fastened and loaded onto appropriate vehicles to prevent movement or falling off. Employ sufficient padding and tie-downs to protect rebars from damage and ensure safe transportation. Adhering to these guidelines is crucial in upholding the quality, durability, and safety of steel rebars throughout their storage and handling process.
- Q: How are steel rebars labeled or marked for identification?
- Steel rebars are typically labeled or marked for identification using specific symbols or codes that indicate important information such as the manufacturer, grade, size, and type of rebar. This labeling or marking is usually done through embossing, paint, or tags attached to the rebar.
- Q: How do steel rebars contribute to the overall safety of a structure?
- The overall safety of a structure is significantly enhanced by steel rebars in multiple ways. Firstly, concrete, which is brittle and prone to cracking under tension, is reinforced by steel rebars. By embedding steel rebars within the concrete, the structure gains increased tensile strength, enabling it to withstand greater loads and resist cracking or failure. Secondly, stress is distributed and dissipated throughout the structure with the help of steel rebars. When a load is applied to a structure, such as an earthquake or strong winds, internal forces are generated that need to be managed and dispersed. Steel rebars serve as an interconnected network of bars, transferring the load from one rebar to another, and ultimately to the foundation. This prevents localized stress concentrations and ensures that the structure can better withstand external forces. Moreover, the ductility of a structure is improved by steel rebars. Ductility refers to the ability of a material to deform without breaking. When a structure is subjected to extreme forces, such as seismic activity or high winds, it must be able to flex and absorb energy without collapsing. Steel rebars provide this ductility by elongating and deforming under stress, absorbing and dissipating energy before reaching a critical point of failure. This characteristic is crucial in protecting the overall integrity of the structure and ensuring the safety of its occupants. Furthermore, steel rebars also contribute to the long-term durability of a structure. Concrete is vulnerable to various environmental factors, including moisture, temperature fluctuations, and chemical exposure, which can cause deterioration and weakening over time. By reinforcing the concrete with steel rebars, the structure becomes more resistant to these factors, maintaining its strength and stability for an extended period. In conclusion, steel rebars are essential for ensuring the overall safety of a structure. They enhance the tensile strength of concrete, distribute stress, improve ductility, and increase the durability of the structure. By providing these crucial properties, steel rebars significantly reduce the risk of structural failure and safeguard the lives and well-being of individuals within the building.
- Q: Can steel rebars be used in the construction of swimming pools or water tanks?
- Yes, steel rebars can be used in the construction of swimming pools or water tanks. Steel rebars are commonly used as reinforcement in concrete structures to increase their strength and durability. In swimming pool or water tank construction, steel rebars are typically placed within the concrete walls and floors to provide additional support and prevent cracking or structural failure. The rebars are designed to withstand the corrosive effects of water and can effectively reinforce the concrete structure to resist the pressure exerted by the water. However, it is important to ensure that the steel rebars are properly coated or protected to prevent corrosion, as constant exposure to water can lead to rusting over time. By incorporating steel rebars in the construction of swimming pools or water tanks, the overall integrity and longevity of the structures can be significantly improved.
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Reinforced concrete iron rod for building construction
- Ref Price:
-
- Loading Port:
- China main port
- 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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