Steel rebar manufacturer supply deformed steel rebar
- Ref Price:
-
- Loading Port:
- Shanghai
- 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: Are there any limitations on the diameter of steel rebars?
- Yes, there are limitations on the diameter of steel rebars. The diameter of steel rebars is typically standardized and regulated by national and international building codes and standards. These codes and standards ensure that the rebars used in construction projects are of appropriate size and strength to meet safety requirements. The specific limitations on the diameter of steel rebars may vary depending on the intended use and the specific regulations in place. However, it is common to find rebars with diameters ranging from 6mm to 50mm in construction projects.
- Q: Are steel rebars susceptible to hydrogen embrittlement?
- Yes, steel rebars are susceptible to hydrogen embrittlement.
- Q: What are the different methods of reinforcing concrete structures using steel rebars?
- There are several methods of reinforcing concrete structures using steel rebars. These include placing the rebars in a grid pattern to provide overall strength and support, using stirrups or ties to hold the rebars in place and prevent them from moving, using dowel bars to connect two separate concrete elements, and using anchor bolts or hooks to secure the rebars to the existing structure. Additionally, steel mesh or fiber reinforcement can be used to enhance the overall durability and resilience of the concrete structure.
- Q: How do steel rebars affect the overall flexibility of concrete structures?
- Concrete structures are greatly improved by the addition of steel rebars. These rebars increase the tensile strength of concrete, making it more resistant to cracking and deformation when under load. Concrete is strong when compressed, but weak when pulled. By incorporating steel rebars into the concrete, it creates a composite material that combines the strength of concrete with the strength of steel. The rebars act as reinforcement by distributing the load across the structure and preventing the concrete from failing when pulled. This reinforcement helps to limit the formation and spread of cracks, as the rebars bear the stress and prevent the concrete from completely separating. As a result, the presence of rebars significantly enhances the flexibility and ductility of the concrete structure, allowing it to withstand different forces and movements without catastrophic failure. Furthermore, steel rebars also improve the stability of concrete elements. They provide additional strength and support, preventing excessive deflection, bending, or buckling of the structure. This ensures that the structure can withstand external loads and environmental conditions. The increased flexibility and stability contribute to the durability and longevity of the concrete structure, making it more resistant to factors such as seismic activity, temperature changes, and shrinkage. In conclusion, steel rebars are essential in enhancing the overall flexibility of concrete structures. They provide the necessary tensile strength to counteract the weakness of concrete in tension, preventing cracking and deformation. By reinforcing the structure, steel rebars improve its stability, durability, and ability to withstand various forces and movements, ensuring the integrity and longevity of the concrete elements.
- Q: What are the guidelines for storing steel rebars on a construction site?
- To ensure safety and maintain the quality of steel rebars stored on a construction site, it is important to follow several guidelines. Here are some key recommendations: 1. Choose a designated area on the construction site that is flat, clean, and well-drained for storing the rebars. Avoid areas that are prone to flooding or excessive moisture. 2. Elevate the rebars above the ground using wooden or concrete blocks to prevent direct contact with soil or water. This will help prevent rusting and corrosion. 3. Stack the rebars in a stable manner, aligning them vertically and horizontally to maintain their shape and prevent bending or warping. Use spacers or crates between layers to ensure proper spacing and prevent entanglement. 4. Protect the rebars from the elements by covering them with a waterproof tarp or plastic sheet. This will shield them from rain, snow, or excessive sunlight and prevent rusting and degradation. 5. Store different sizes and types of rebars separately to avoid mixing or confusion during construction. Clearly label and mark each stack to identify the type, size, and grade of the rebars. 6. Organize the rebars in a logical manner to provide easy access for construction workers. Place smaller rebars on top for easy retrieval and avoid storing heavier rebars on top of lighter ones to prevent damage. 7. Take safety precautions by maintaining a safe distance between the rebars and any heavy machinery or equipment to minimize the risk of accidents. Secure the rebars properly to prevent them from falling or causing injury. 8. Regularly inspect the rebars for any signs of damage, rust, or corrosion. Replace or repair any compromised rebars to avoid compromising the structural integrity of the construction project. By following these guidelines, construction sites can ensure the proper storage of steel rebars, promoting safety, efficiency, and the longevity of the rebars.
- Q: How are steel rebars spliced or connected in construction joints?
- Steel rebars are typically spliced or connected in construction joints using several methods, including lap splicing, mechanical splicing, and welded splicing. Lap splicing involves overlapping the rebars and tying them together with wire or steel bars, ensuring proper alignment and contact between the rebars. Mechanical splicing utilizes couplers or threaded sleeves to connect the rebars, providing a stronger and more efficient joint. Welded splicing involves welding the rebars together, ensuring a secure and durable connection. The choice of splicing method depends on factors such as the project requirements, structural design, and construction site conditions.
- Q: What are the common grades of steel rebars?
- The common grades of steel rebars include Grade 40, Grade 60, and Grade 75.
- Q: Can steel rebars be used in wastewater treatment plants?
- Yes, steel rebars can be used in wastewater treatment plants. Steel rebars are commonly used as reinforcement for concrete structures, including those found in wastewater treatment plants. The rebars provide strength and durability to the structures, ensuring they can withstand the harsh environments and corrosive nature of wastewater. However, it is important to select the appropriate grade of steel rebars that are resistant to corrosion caused by the chemicals present in wastewater.
- Q: What are the standards and specifications for steel rebars?
- The standards and specifications for steel rebars vary depending on the country and industry. However, some common standards followed globally include ASTM A615/A615M, ASTM A706/A706M, BS 4449:2005, and EN 10080. These standards define the requirements for the chemical composition, mechanical properties, dimensions, and tolerances of steel rebars used in construction and infrastructure projects. Additionally, specific projects or organizations may have their own additional specifications to ensure the quality and performance of the rebars.
- Q: What is the effect of vibration on steel rebars?
- Vibration can have both positive and negative effects on steel rebars. On one hand, controlled vibration during the pouring and placement of concrete can help to remove air bubbles and ensure better bonding between the rebar and concrete, enhancing the overall structural integrity. On the other hand, excessive or prolonged vibration can lead to fatigue and weakening of the rebars, potentially compromising their strength and durability over time. Therefore, it is essential to carefully regulate and monitor vibration to maintain the optimal balance for the performance and longevity of steel rebars.
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Steel rebar manufacturer supply deformed steel rebar
- Ref Price:
-
- Loading Port:
- Shanghai
- 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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