Cheap Price steel rebar for Construction building bridge road
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
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Specification
Standard:
AISI,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
RHB335,HRB400
Thickness:
6-40mm
Length:
5.8-12M
Net Weight:
1-2.5MT
Deformed Steel bar is a common steel reinforcing bar, used in reinforced concrete and reinforced masonry structures.
It is formed from mild steel, and is given ribs for better frictional adhesion to the concrete. The Deformed Steel bar is an iron rod , a weldable plain reinforcing steel bar, and can be used as well for steel meshes.
Product Description :
|
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: How do steel rebars affect the overall flexibility of concrete structures?
- Steel rebars significantly enhance the overall flexibility of concrete structures. By reinforcing the concrete, rebars increase its resistance to tensile forces, which is crucial in preventing cracks and failures. This added flexibility ensures that the structure can withstand various external loads and environmental conditions without compromising its integrity.
- Q: What is the difference between steel rebars and FRP rebars?
- Steel rebars are traditional reinforcement bars made of steel, while FRP rebars are reinforced polymer bars. The main difference lies in their composition and properties. Steel rebars are strong and durable, but they are prone to corrosion, requiring regular maintenance. On the other hand, FRP rebars are corrosion-resistant, lightweight, and possess high tensile strength. They also offer better thermal and electrical insulation. However, FRP rebars are relatively new in the construction industry and may be more expensive compared to steel rebars.
- Q: What is the effect of high temperatures on steel rebars?
- Steel rebars are significantly affected by high temperatures. When exposed to high temperatures, steel rebars undergo thermal expansion, causing them to increase in size. This expansion can cause cracks or spalling in the surrounding concrete as the larger rebars exert pressure on it. Moreover, high temperatures can weaken and reduce the load-bearing capacity of steel rebars. This weakening phenomenon, known as tempering, occurs when heat compromises the structural integrity of the steel, making it less strong. Consequently, steel rebars exposed to high temperatures may experience reduced strength and become more prone to deformation or failure. Therefore, when designing structures or assessing their integrity, it is crucial to consider the impact of high temperatures on steel rebars, particularly in environments susceptible to heat or fire hazards.
- Q: What are the guidelines for ensuring proper bond between steel rebars and concrete?
- Ensuring a strong bond between steel rebars and concrete is vital for the structural integrity and performance of reinforced concrete structures. To achieve this, the following guidelines should be followed: 1. Correct Placement of Rebars: The rebars must be positioned according to the design specifications, including the required spacing, cover, and lap lengths. It is important to maintain the appropriate spacing between rebars and the concrete surface to provide sufficient concrete cover and prevent corrosion. 2. Thorough Surface Preparation: The steel rebars should be free from loose rust, scale, or contaminants that could hinder the bond with the concrete. Effective surface preparation techniques such as wire brushing, sandblasting, or using a high-pressure water jet can be used to clean the rebars. 3. Mechanical Bond: Ribbed or deformed rebars offer a better mechanical bond with concrete compared to smooth bars. The surface deformations increase the contact area between the rebar and the concrete, thereby enhancing the bond strength. 4. Proper Embedment Length: The embedment length, also known as the development length, is the distance over which the rebar is embedded in the concrete. It is typically calculated based on the required bond strength, concrete strength, and rebar diameter. Adequate embedment length is essential for achieving the desired bond performance. 5. High-Quality Concrete: The quality of concrete, including its strength, workability, and curing, plays a crucial role in achieving a proper bond with steel rebars. The concrete mix should be proportioned correctly, ensuring sufficient cement content, appropriate water-to-cement ratio, and proper compaction during placement. 6. Sufficient Concrete Cover: Adequate concrete cover should be provided around the rebars to protect them from environmental factors, prevent corrosion, and ensure long-term durability. The concrete cover is typically specified in design codes and should be maintained during construction. 7. Proper Reinforcement Splicing: When connecting multiple rebars, proper splicing techniques should be used to ensure a continuous and strong bond. Lap splices, mechanical couplers, or welded splices can be employed based on the design requirements and project specifications. 8. Effective Vibration Techniques: During concrete placement, proper vibration techniques should be employed to ensure adequate compaction and minimize voids or honeycombs around the rebars. This helps to achieve a better bond between the steel rebars and the surrounding concrete. 9. Prevention of Contamination: The rebars should be protected from contamination during storage and construction. Exposure to excessive moisture, chemicals, or other corrosive substances can compromise the bond between the rebars and the concrete. 10. Adherence to Design Specifications: Lastly, it is crucial to strictly adhere to the design specifications and recommendations provided by structural engineers or relevant design codes. These guidelines are tailored to ensure a proper bond between steel rebars and concrete, considering factors such as loadings, environmental conditions, and durability requirements.
- Q: How do steel rebars contribute to the sustainability of a building?
- Steel rebars contribute to the sustainability of a building in several ways. Firstly, they provide structural strength and durability, allowing the building to withstand natural disasters and remain functional for a longer period. This reduces the need for frequent repairs or reconstruction, ultimately reducing resource consumption and waste generation. Secondly, steel rebars are recyclable, meaning they can be reused in future construction projects, reducing the demand for raw materials and minimizing the environmental impact of steel production. Additionally, the use of steel rebars in reinforced concrete structures allows for the use of thinner and lighter concrete sections, resulting in reduced material usage and lower carbon emissions during construction and transportation. Overall, steel rebars enhance the longevity, efficiency, and environmental performance of buildings, making them more sustainable.
- Q: Can steel rebars be used in reinforced masonry walls?
- Reinforced masonry walls often incorporate steel rebars to boost their strength and longevity. It is a common practice to employ steel rebars in the construction of these walls. The rebars are typically inserted into the mortar joints between the masonry units, such as bricks or concrete blocks. They serve to distribute any tensile forces that may arise in the masonry wall as a result of external loads or structural movements. Masonry materials are inherently strong in compression but weak in tension, so the addition of steel rebars helps fortify the structure. By incorporating steel rebars, the reinforced masonry walls become more resistant to lateral forces like wind or seismic loads, thereby reducing the likelihood of cracks or structural failures. Furthermore, the use of steel rebars enhances the overall stability and load-bearing capacity of the masonry wall, making it suitable for a wide array of construction projects.
- Q: How are steel rebars protected against extreme weather conditions?
- Steel rebars are protected against extreme weather conditions through various methods such as epoxy coating, galvanization, and concrete cover. These protective measures prevent corrosion and degradation of the rebars, ensuring their durability and strength even in harsh weather conditions.
- Q: Are steel rebars suitable for use in sports stadiums and arenas?
- Yes, steel rebars are suitable for use in sports stadiums and arenas. Steel rebars are widely used in construction due to their excellent strength and durability properties. In sports stadiums and arenas, where large crowds gather, heavy loads are experienced, and safety is of utmost importance, steel rebars provide the necessary reinforcement to ensure structural integrity. They can withstand high tensile forces and resist bending, making them ideal for reinforcing concrete structures in stadiums and arenas. Additionally, steel rebars have a high resistance to fire, which is crucial in these large-scale public spaces. Overall, steel rebars are a reliable and proven choice for reinforcing sports stadiums and arenas, providing the necessary support and safety requirements.
- 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: Are steel rebars suitable for use in tunnels and underground mines?
- Yes, steel rebars are suitable for use in tunnels and underground mines. Steel rebars provide excellent strength, durability, and resistance to corrosion, making them an ideal choice for reinforcing concrete structures in these challenging environments. Their ability to withstand high loads and seismic forces makes them reliable for ensuring the structural integrity and safety of tunnels and underground mines.
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Cheap Price steel rebar for Construction building bridge road
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 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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