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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Specification
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 steel rebars suitable for use in earthquake-prone regions?
- Yes, steel rebars are suitable for use in earthquake-prone regions. Steel rebars are commonly used in the construction industry to reinforce concrete structures, making them stronger and more resistant to the forces generated by earthquakes. The ductile nature of steel allows it to absorb and distribute the energy produced during an earthquake, thereby reducing potential damage. Furthermore, steel rebars enhance the overall structural integrity of buildings, making them more capable of withstanding seismic activities. Additionally, steel rebars can be designed and installed in a way that meets seismic design codes and standards specific to earthquake-prone regions, ensuring the safety of the structures. Overall, steel rebars are an effective and reliable choice for reinforcing buildings in earthquake-prone regions.
- Q: What are the different grades of steel rebars used in bridge construction?
- The construction of bridges requires the use of different grades of steel rebars, which are selected based on the specific demands and load-bearing capacities of the structure. The following are the most frequently employed grades of steel rebars in bridge construction: 1. Grade 40: This is the lowest grade of steel rebar utilized in bridge construction. It possesses a minimum yield strength of 40,000 pounds per square inch (psi). Grade 40 steel rebars are typically employed for lighter loads and smaller bridge structures. 2. Grade 60: This is the grade of steel rebar most commonly used in bridge construction. It boasts a minimum yield strength of 60,000 psi. Grade 60 steel rebars are suitable for medium to heavy loads and are frequently employed in bridge piers, girders, and deck slabs. 3. Grade 75: This grade of steel rebar possesses a minimum yield strength of 75,000 psi. Grade 75 steel rebars are employed for heavy loads and large bridge structures that necessitate greater strength. They are commonly utilized in the construction of high-rise bridges and long-span structures. 4. Grade 80 and Grade 100: These are high-strength steel rebars with minimum yield strengths of 80,000 psi and 100,000 psi, respectively. These grades of steel rebars are used in specialized bridge construction projects that require exceptional strength and durability. They are commonly employed in the construction of cable-stayed bridges and suspension bridges. It is worth noting that the selection of the appropriate grade of steel rebar for bridge construction relies on various factors, including anticipated loads, span length, design specifications, and local building codes. Consulting with structural engineers and adhering to recommended guidelines ensures the utilization of the appropriate grade of steel rebar, thereby guaranteeing the safety and longevity of the bridge structure.
- Q: What is the maximum length of steel rebars available?
- The maximum length of steel rebars available varies depending on the specific manufacturer and supplier. However, in general, steel rebars are commonly available in lengths ranging from 6 meters (20 feet) to 18 meters (60 feet). These lengths are determined by factors such as transportation logistics, handling capabilities, and construction industry standards. It is important to consult with the manufacturer or supplier to determine the specific maximum length of steel rebars they offer.
- Q: What is the role of steel rebars in preventing cracks in concrete structures?
- Steel rebars are an essential component in the prevention of cracks in concrete structures. Their role involves reinforcing the concrete, thereby increasing its overall strength and durability. Initially, concrete possesses strong compressive strength but lacks the ability to withstand tension forces, making it susceptible to cracking. To address this weakness, steel rebars are embedded within the concrete. These rebars serve as a framework, effectively distributing and absorbing tensile forces that would otherwise lead to cracks in the concrete. In essence, when the concrete experiences tension, the rebars bear the load and assist in redistributing the forces, effectively preventing the formation or spread of cracks. Furthermore, the presence of steel rebars significantly enhances the structural integrity of the concrete by fortifying its resistance to bending, shear, and other forms of stress. This reinforcement is particularly crucial in large concrete structures such as buildings, bridges, and dams, as it ensures their stability and longevity. In addition to their role in preventing cracks caused by tension, steel rebars also play a critical role in mitigating cracks resulting from temperature changes and shrinkage. Concrete tends to expand and contract due to fluctuations in temperature, which can lead to cracking if not adequately controlled. By providing restraint, steel rebars help regulate these movements, minimizing the potential for cracks. Overall, steel rebars are instrumental in improving the concrete structures' ability to resist cracking. They not only reinforce the concrete and enhance its tensile strength but also aid in the distribution and control of forces that may cause cracks. By effectively preventing cracks, steel rebars contribute to the long-term durability and safety of concrete structures.
- Q: What are the guidelines for splicing steel rebars in a structure?
- The guidelines for splicing steel rebars in a structure are as follows: 1. Ensure proper design: The first step is to have a detailed design of the structure, which includes the required length and location of rebar splices. The design should follow the applicable building codes and standards. 2. Use approved methods: It is crucial to use approved methods for splicing steel rebars. The most common methods include lap splicing, mechanical splicing, and welded splicing. The selected method should be in compliance with the design requirements and accepted industry practices. 3. Determine splice length: The splice length is determined based on the structural requirements and the type of rebar being used. It is recommended to consult the design engineer or refer to the code requirements to determine the appropriate splice length. 4. Prepare the rebars: Before splicing, rebars should be cleaned of rust, scale, oil, or any other contaminants that may affect the bond strength. The ends of the rebars should be clean and free from deformations or irregularities. 5. Splice location: The location of the splice is critical and should be as per the design specifications. Splices should not be placed in areas subjected to high stress or where they may affect the structural integrity of the member. 6. Reinforcement continuity: Splicing should maintain the continuity of reinforcement to ensure the structural integrity. Adequate overlap or connection strength should be achieved to transfer loads between the spliced rebars. 7. Proper installation: During splicing, it is important to follow proper installation procedures. This may include using appropriate splicing materials, ensuring correct alignment and fit, and applying the recommended torque or tension for mechanical splices. 8. Quality control and inspection: Regular inspections should be conducted during and after the splicing process to ensure compliance with the design and quality standards. This may involve visual inspection, non-destructive testing, or load testing as required. 9. Documentation and record-keeping: It is essential to maintain proper documentation of the splicing process, including details of the method used, splice length, location, and any deviations from the design. This documentation helps in ensuring traceability and accountability. 10. Compliance with codes and standards: Lastly, all splicing activities should comply with the relevant building codes, industry standards, and specifications. It is advisable to refer to the specific code requirements applicable to the region and seek professional advice if needed.
- Q: How are steel rebars protected against chemical corrosion?
- Steel rebars are protected against chemical corrosion through the application of protective coatings, such as epoxy or zinc. These coatings act as a barrier, preventing corrosive substances from coming into direct contact with the steel surface. Additionally, rebars can also be galvanized, which involves coating them with a layer of zinc to provide an extra level of corrosion protection.
- Q: How are steel rebars anchored into concrete?
- Steel rebars are anchored into concrete by using various methods such as overlapping, mechanical anchoring devices, or by using concrete cover.
- Q: How do steel rebars affect the workability of concrete?
- Steel rebars can significantly affect the workability of concrete by enhancing its tensile strength and overall structural integrity. The presence of rebars allows for the construction of larger and more durable concrete structures. However, the presence of rebars can also make the concrete mixture stiffer and more difficult to handle during the pouring and placing process. This decreased workability requires additional effort and may necessitate the use of additives or adjusting the concrete mixture proportions to maintain the desired level of workability.
- Q: Can steel rebars be used in underground construction?
- Yes, steel rebars can be used in underground construction. Steel rebars are commonly used in reinforced concrete structures, including underground construction projects. The high tensile strength and durability of steel rebars make them suitable for providing structural reinforcement in underground tunnels, foundations, and other below-ground structures.
- Q: How are steel rebars used in road and pavement construction?
- Steel rebars are used in road and pavement construction to reinforce the concrete structures and provide strength and durability to withstand heavy traffic loads and environmental conditions. They are typically placed within the concrete to prevent cracking and enhance the overall structural integrity, ensuring the longevity and stability of the roads and pavements.
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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
OKorder Financial Service
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