Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer

Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer System 1

Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 40000 m.t./month

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Product Specifications of Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer

1. reinforcing steel bar
2.diameter:6mm-40mm
3.length:3.5m-12m or as customized
4.certificate:ISO9001:2008,ISO14001:2004

Produt Size and Materials of Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer:

(1)6mm-40mm rebar

(2)12mm-300mm round bar

(3)0.40-1.2mm*1000-1250mm*C electro galvanized steel coil

(4)0.16-1.0mm*900-1250mm*C prepainted galvanized steel coil

(5)0.15-2.0mm*900-1250mm*C hot dipped galvanized steel coil and aluzinc steel coil

(6)0.3-2.0mm*400-1400mm*C cold rolled steel coil

(7)0.80mm-2.0mm mig welding wire

The products exported to Korea, Japan and Southeast Asia, and have a good reputation.

Luli Steel Co., Ltd warmly welcomes all the customers to come to discuss the cooperation and seek common development.

If any questions and need steel information,pls feel free to contact me.

Theorectical Weight Index of Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer:

Diameter (MM)	Inner Diameter (mm)	Rib height (mm)	Cross Sectional Area (MM²)	Theorectical Weight (KG/M)
6	5.8	0.6	28.27	0.222
8	7.7	0.8	50.27	0.395
10	9.6	1.0	78.54	0.617
12	11.5	1.2	113.1	0.888
14	13.4	1.4	153.9	1.21
16	15.4	1.5	201.1	1.58
18	17.3	1.6	254.5	2
20	19.3	1.7	314.2	2.47
22	21.3	1.9	380.1	2.98
25	24.2	2.1	490.9	3.85
28	27.2	2.2	615.8	4.83
32	31.0	2.4	804.2	6.31
36	35.0	2.6	1018	7.99
40	38.7	2.9	1257	9.86

standard and grade of Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer

ASTM	BS	JIS	GB
A615	BS4449	G3112	HRB
Gr40/60/75	Gr460, B500	SD390	335/400/500

Deformed Bars/ Reinforcing Steel Bars/ Rebar for Construction from China Professional Manufacturer

Q: What are the maintenance requirements for steel rebars in a structure?: To ensure the stability and longevity of a building, it is crucial to consider the maintenance requirements for steel rebars in its structure. Steel rebars, also referred to as reinforcing bars, are utilized to strengthen concrete structures and withstand tension forces. Here are some important maintenance requirements to bear in mind: 1. Conducting Visual Inspections: Qualified personnel with knowledge and experience in recognizing structural issues should regularly perform visual inspections to identify any signs of corrosion, cracks, or damage in the rebars. 2. Keeping the Rebars Clean: It is necessary to keep the rebars free from debris, dirt, or chemicals that could accelerate corrosion. Employing proper cleaning methods, such as mild detergents and water, is essential to maintain their condition. 3. Protecting Against Corrosion: Steel rebars are prone to corrosion, particularly in environments with high humidity, exposure to saltwater, or chemical pollutants. Applying protective coatings like epoxy or zinc can help prevent or delay corrosion, thereby increasing the lifespan of the rebars. 4. Prompt Repair or Replacement: In the event of severe corrosion, cracks, or damage to any rebars, it is crucial to promptly repair or replace them. Neglecting these issues can compromise the structural integrity of the building and pose safety hazards. 5. Continuous Monitoring: It is advisable to continuously monitor the condition of the rebars to detect any changes or deterioration over time. Advanced techniques such as ultrasonic testing or electrical potential measurements can be utilized to assess the rebars' integrity. 6. Ensuring Proper Drainage: The structure should have proper drainage systems in place to prevent water accumulation and reduce the risk of corrosion in the rebars. Well-designed and well-maintained gutters, downspouts, and waterproofing measures can minimize water exposure. 7. Establishing a Regular Maintenance Schedule: It is crucial to establish a regular maintenance schedule to systematically conduct all necessary inspections, cleaning, and repairs. This aids in early identification of potential issues and enables prompt corrective actions. By adhering to these maintenance requirements, the steel rebars in a structure can be preserved, contributing to the overall safety, durability, and longevity of the building. Regular maintenance not only prevents costly repairs but also ensures the necessary structural integrity for the safety of occupants and the longevity of the structure.

Q: What are the considerations for using epoxy-coated steel rebars?: When considering the use of epoxy-coated steel rebars, there are several important factors to take into account. These considerations include the corrosion resistance, durability, cost-effectiveness, and construction requirements. One primary consideration is the corrosion resistance provided by epoxy-coated steel rebars. The epoxy coating acts as a protective barrier against moisture, chemicals, and other corrosive elements that are typically present in concrete structures. This coating significantly reduces the risk of corrosion, thus increasing the lifespan of the rebar and the overall durability of the reinforced concrete. Durability is another key consideration. Epoxy-coated steel rebars are designed to withstand harsh environmental conditions, including exposure to chloride ions, which are known to accelerate corrosion in traditional black steel rebars. This enhanced durability ensures that the structure remains structurally sound over an extended period, reducing the need for costly repairs or replacements. Cost-effectiveness is also an important consideration. While epoxy-coated steel rebars may have a higher initial cost compared to black steel rebars, their long-term cost-effectiveness is evident. The reduced risk of corrosion and subsequent maintenance or repair expenses can result in significant savings over the life of a structure. Additionally, the extended lifespan of the rebar can contribute to lower life-cycle costs. Construction requirements must also be taken into consideration when using epoxy-coated steel rebars. The application of the epoxy coating requires careful handling and storage to prevent damage or contamination. Special care must be taken during transportation, storage, and installation to ensure the integrity of the coating. Contractors must also be trained and experienced in working with epoxy-coated steel rebars to ensure proper installation and adherence to industry standards. In conclusion, the considerations for using epoxy-coated steel rebars include their corrosion resistance, durability, cost-effectiveness, and the specific construction requirements they impose. While they may have a higher initial cost and require additional care during handling and installation, the long-term benefits of increased corrosion resistance and durability make them a favorable choice for reinforced concrete structures.

Q: What are the different types of surface finishes available for steel rebars?: Some of the different types of surface finishes available for steel rebars include black or plain, epoxy-coated, galvanized, and stainless steel.

Q: What is the role of steel rebars in the construction of power transmission towers?: The role of steel rebars in the construction of power transmission towers is to provide structural reinforcement and strength to the concrete foundations and columns. Steel rebars act as a framework within the concrete, helping to distribute the load and withstand the forces exerted on the towers, including wind, seismic activity, and the weight of the transmission lines. They enhance the overall stability and durability of the towers, ensuring their ability to safely support and transmit electrical power.

Q: Can steel rebars be used in corrosive environments?: Steel rebars can be used in corrosive environments, but certain precautions need to be taken to ensure their longevity and structural integrity. Corrosive environments, such as those with high levels of moisture, saltwater, or chemical exposure, can accelerate the corrosion process of steel rebars, leading to potential structural damage. To mitigate this risk, various strategies can be employed. One common approach is to use corrosion-resistant reinforcing materials, such as stainless steel rebars or epoxy-coated rebars, which provide an additional layer of protection against corrosion. These materials have proven effective in resisting corrosion even in highly corrosive environments. Another approach is to utilize corrosion inhibitors, which are chemicals added to the concrete mix or applied directly to the steel surface. These inhibitors form a protective layer around the rebars, preventing corrosive agents from reaching the steel and slowing down the corrosion process. Additionally, proper concrete cover thickness should be maintained to ensure rebars are adequately protected from exposure to corrosive elements. Adequate concrete cover acts as a barrier, preventing moisture and other corrosive agents from reaching the steel. Regular inspection and maintenance are crucial to identify any signs of corrosion early on. If corrosion is detected, appropriate measures should be taken to repair or replace the affected rebars to maintain the structural integrity of the project. In summary, while steel rebars can be used in corrosive environments, it is essential to consider the specific conditions and employ the appropriate strategies to protect against corrosion. By using corrosion-resistant materials, applying inhibitors, maintaining proper concrete cover, and conducting regular inspections, the lifespan and performance of steel rebars in corrosive environments can be significantly enhanced.

Q: Can steel rebars be used in structures with limited construction timeframes?: Yes, steel rebars can be used in structures with limited construction timeframes. Steel rebars are commonly used in construction due to their strength, durability, and ability to withstand high loads. Their quick installation process makes them suitable for projects with strict timelines, allowing for efficient and timely construction of structures.

Q: Can steel rebars be used in structures with high resistance to fire?: Yes, steel rebars can be used in structures with high resistance to fire. Steel has a high melting point and excellent fire resistance properties, making it a suitable choice for reinforcing structures that need to withstand high temperatures and fire hazards.

Q: How do steel rebars contribute to the fire resistance of concrete?: Steel rebars contribute to the fire resistance of concrete in several ways. Firstly, steel has a high melting point and is a non-combustible material, which means it does not burn or add fuel to a fire. This property of steel rebars helps prevent the spread of fire and provides structural stability to the concrete during a fire event. Additionally, steel rebars act as a reinforcement within the concrete, enhancing its overall strength and load-bearing capacity. This reinforcement helps to prevent the concrete from cracking or breaking apart under high temperatures caused by a fire. The presence of steel rebars also improves the ductility of the concrete, allowing it to deform and absorb energy during a fire, rather than shattering or collapsing suddenly. Moreover, the thermal conductivity of steel is higher than that of concrete, meaning it can conduct heat away from the fire zone more effectively. This helps to dissipate heat and prevent it from reaching critical levels that could compromise the structural integrity of the concrete. By absorbing and distributing heat, steel rebars help to slow down the rate of temperature rise within the concrete during a fire. In summary, steel rebars contribute to the fire resistance of concrete by providing structural stability, enhancing strength and load-bearing capacity, improving ductility, and dissipating heat. These properties make concrete structures reinforced with steel rebars more resilient and capable of withstanding fire events for a longer duration, thereby increasing the safety of occupants and reducing potential property damage.

Q: Are steel rebars cost-effective?: Steel rebars are generally considered to be a cost-effective option. They are extensively used in construction projects to reinforce concrete structures because they offer numerous advantages. Firstly, steel rebars possess a high tensile strength that enables them to withstand heavy loads and prevent concrete from cracking or collapsing under stress. This durability ensures the stability of the reinforced structure, reducing the need for frequent repairs or replacements and ultimately saving on maintenance costs. Furthermore, steel rebars are readily available in the market, making them a cost-effective choice for construction projects. Their production is well-established and efficient, resulting in competitive prices. Moreover, steel is a recyclable material, allowing rebars to be easily reused or recycled at the end of their lifespan. This contributes to sustainability and reduces the overall cost of construction materials. Additionally, steel rebars offer versatility in design and construction. They can be easily shaped and customized to meet specific project requirements, making them suitable for a wide range of applications. This flexibility eliminates the need for expensive and time-consuming alternatives, saving both time and money during the construction process. However, it is crucial to consider the specific project requirements and local market conditions when assessing the cost-effectiveness of steel rebars. Factors such as project size, labor costs, and the availability of alternative reinforcement materials can impact the overall cost. Depending on the project specifications and local market conditions, alternative materials like fiber-reinforced polymers (FRP) or glass fiber-reinforced polymers (GFRP) may prove to be more cost-effective. In conclusion, steel rebars are widely acknowledged for their cost-effectiveness due to their durability, availability, recyclability, and versatility. Nevertheless, conducting a comprehensive cost analysis that considers specific project requirements and available alternatives is essential to make an informed decision.

Q: What is the effect of overloading on steel rebars?: The effect of overloading on steel rebars can lead to various consequences, including deformation, structural failure, and reduced load-bearing capacity. Overloading can cause the rebars to bend, twist, or even break, compromising the overall integrity of the structure. Excessive loads can also result in cracks or fractures in the rebars, which may ultimately lead to catastrophic failures. To ensure the structural safety, it is vital to adhere to the recommended load limits and avoid subjecting rebars to excessive loads.

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