China supplier Metallic material steel rebar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 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.
Rebar is common steel reinforcing bar, an important component of reinforced concrete and reinforced masonry structures.
It is usually formed from mild steel, and is given ridges for better frictional adhesion to the concrete
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 | ||||||||||
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
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: Can steel rebars be used in both residential and commercial construction?
- Indeed, steel rebars find extensive utility in both residential and commercial construction endeavors. These rebars frequently serve as reinforcement within concrete structures, endowing them with heightened fortitude and longevity. They prove apt for an array of applications, encompassing foundations, walls, columns, beams, and slabs - all of which are integral components within both residential and commercial construction projects. By employing steel rebars, one guarantees that the concrete structures can withstand the burdens and pressures they encounter, rendering them suitable for diverse construction ventures, regardless of their magnitude or objective.
- Q: What are the different methods of connecting steel rebars together?
- The connection of steel rebars can be achieved through various methods, depending on the specific needs of the construction project. Here are some commonly used techniques: 1. Lap Splicing: This method involves overlapping two rebars and securing them together using steel wire or bars. It is a cost-effective approach, although it requires longer rebars. 2. Mechanical Splicing: By using a mechanical coupler such as a sleeve or collar, two rebars can be connected. This method offers a strong and reliable connection and allows for flexibility in rebar positioning. It is faster and more efficient than lap splicing. 3. Welding: Steel rebars can be connected by heating and fusing their ends together using an electric arc. This creates a permanent and robust connection. However, welding demands skilled labor and can be time-consuming and expensive. 4. Threaded Couplers: Similar to mechanical splicing, this method involves threading the ends of rebars and connecting them using a threaded coupler. It provides a reliable connection and is commonly used in larger construction projects. 5. Grout Sleeve Splicing: This technique incorporates a grout-filled sleeve between two rebars to establish a connection. The grout enhances strength and stability, making it suitable for seismic zones or areas requiring high strength and ductility. 6. Reinforcing Bar Couplers (RBC): RBC is a proprietary method that employs a threaded sleeve filled with epoxy resin to connect rebars. It offers high load capacity, ease of installation, and resistance to corrosion. To determine the most appropriate method for connecting steel rebars in a specific construction project, it is crucial to consult structural engineers and adhere to building codes and regulations.
- Q: Can steel rebars be used in the construction of retaining walls?
- Yes, steel rebars can be used in the construction of retaining walls. Steel rebars, which are typically made from reinforced steel, are commonly used in various construction projects, including retaining walls. These rebars are used to reinforce and strengthen the concrete structure of the retaining wall, increasing its stability and durability. By adding steel rebars, the retaining wall can better resist the lateral forces caused by the pressure of soil or water behind the wall. Additionally, the use of steel rebars helps to prevent cracking and enhance the overall structural integrity of the retaining wall. Therefore, steel rebars are an essential component in the construction of retaining walls to ensure their long-term stability and functionality.
- Q: Can steel rebars be used in structures with high resistance to creep?
- Yes, steel rebars can be used in structures with high resistance to creep. Steel rebars are known for their high strength and durability, making them suitable for various construction applications, including structures that are designed to withstand creep.
- Q: How do steel rebars affect the weight of a concrete structure?
- Steel rebars increase the weight of a concrete structure as they are added to provide reinforcement. The weight of the rebars themselves adds to the overall weight, but their main impact is in increasing the load-bearing capacity and strength of the concrete, allowing it to withstand greater forces and improve the structural integrity.
- Q: How are steel rebars cut on-site?
- Steel rebars are typically cut on-site using a variety of tools, such as electric cutters, oxyacetylene torches, or portable hydraulic shears. These tools provide the necessary power and precision to cut through the strong steel bars, allowing them to be customized to the desired lengths or shapes required for construction projects.
- Q: Are steel rebars resistant to earthquakes?
- Yes, steel rebars are designed to enhance the strength and structural integrity of concrete structures, making them more resistant to the forces exerted during earthquakes.
- Q: What are the factors to consider while designing with steel rebars?
- There are several factors to consider while designing with steel rebars. 1. Strength and durability: The rebars should be selected based on the required strength and durability to withstand the anticipated loads and environmental conditions. 2. Size and shape: The size and shape of the rebars should be chosen to ensure proper placement, spacing, and anchorage within the concrete structure. 3. Corrosion resistance: The rebars should have adequate corrosion resistance, especially in environments where they may be exposed to moisture or chemicals. This can be achieved through proper material selection or by applying protective coatings. 4. Bond strength: The bond between the rebars and the concrete is crucial for transferring loads. The design should consider the factors that influence bond strength, such as surface roughness, bar diameter, and the use of proper concrete cover. 5. Construction constraints: The design should take into account any construction constraints, such as limitations in handling and placing the rebars, and ensure that the design is feasible and practical to implement. 6. Code compliance: Designing with steel rebars should adhere to relevant building codes and standards to ensure structural safety and regulatory compliance. By considering these factors, designers can create robust and reliable structures that effectively utilize the strength and versatility of steel rebars.
- Q: How are steel rebars protected from rusting?
- Steel rebars are protected from rusting through a process called corrosion prevention, which typically involves applying a protective coating or using corrosion inhibitors. The most common method is to coat rebars with epoxy or zinc, creating a barrier between the steel and the surrounding environment. Additionally, rebars can be embedded in concrete, which acts as a protective layer, preventing water and oxygen from reaching the steel and causing rust.
- Q: How are steel rebars protected during concrete pouring?
- Steel rebars are typically protected during concrete pouring by being encased within the concrete mixture. This helps to prevent corrosion and maintain the structural integrity of the rebars. Additionally, specific coatings or epoxy can be applied to the rebars to provide an extra layer of protection against corrosion.
Send your message to us
China supplier Metallic material steel rebar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
OKorder Financial Service
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