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

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 40000 m.t./month

Inquire Now

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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:Can steel rebars be bent without compromising their strength?: Yes, steel rebars can be bent without compromising their strength. Steel rebars are designed to have a high tensile strength, which allows them to withstand bending and stretching forces without breaking or losing their structural integrity. The bending process involves applying a controlled amount of force to the rebar, which causes the material to deform and take on a new shape. However, it is important to ensure that the bending is done within the recommended limits and guidelines provided by the manufacturer or industry standards. Excessive bending beyond the specified limits can lead to microcracks or other defects that may compromise the strength of the rebar. Therefore, it is crucial to follow proper bending techniques and use the appropriate equipment to ensure that the steel rebars maintain their strength even after being bent.

Q:What are the limitations of using steel rebars?: There are several limitations associated with using steel rebars in construction projects. Firstly, steel rebars are susceptible to corrosion. When exposed to moisture and oxygen, they can start to rust over time. This corrosion weakens the rebars and compromises the structural integrity of the concrete. To mitigate this issue, rebars are usually coated with epoxy or other protective coatings, but these coatings can deteriorate over time and require maintenance. Secondly, steel rebars have a high thermal expansion coefficient. This means that they expand and contract significantly with changes in temperature. This can lead to stress and cracking in the concrete, particularly in regions with extreme temperature variations. To minimize these effects, engineers often use expansion joints or other techniques to accommodate the thermal expansion of the rebars. Additionally, steel rebars are heavy and can be challenging to handle and transport. Their weight can increase the overall weight of the structure, which may require additional support or reinforcement. Moreover, the transportation of steel rebars to construction sites can be costly and time-consuming. Furthermore, steel rebars are a finite resource and their production has an environmental impact. The extraction and production of steel require significant amounts of energy and can contribute to greenhouse gas emissions. Additionally, the depletion of natural resources required for steel production is a concern. Lastly, steel rebars are conductive to heat and electricity, which can pose safety risks in certain situations. For example, in areas prone to lightning strikes, the presence of steel rebars can increase the likelihood of electrical damage. In conclusion, while steel rebars are widely used in construction due to their strength and durability, they have limitations such as susceptibility to corrosion, thermal expansion issues, high weight, environmental impact, and electrical conductivity. It is crucial for engineers and architects to consider these limitations and employ appropriate measures to address them in construction projects.

Q:Can steel rebars be used in structures with extreme temperature variations?: Structures that experience extreme temperature variations can generally utilize steel rebars. Steel possesses exceptional durability and strength due to its high melting point, making it suitable for various construction applications. However, there are several factors to consider when employing steel rebars in such structures. To begin with, steel exhibits thermal expansion, meaning it expands and contracts as temperatures fluctuate. If not properly addressed, this expansion and contraction can potentially stress and strain the structure. Engineers and architects counteract this issue by implementing design techniques such as incorporating expansion joints or allowing for thermal movement. These measures accommodate the steel's thermal expansion and prevent damage. Additionally, extreme temperature variations can impact the mechanical properties of steel. Exposure to high temperatures can cause steel to lose its strength and stiffness, compromising the structural integrity. Conversely, low temperatures can make the steel brittle, increasing the likelihood of cracks or fractures. Therefore, it is crucial to select steel rebars of the appropriate grade and quality, specifically designed to withstand the expected temperature variations. Furthermore, the type and purpose of the structure should be taken into consideration. For example, in structures where extreme temperature variations are anticipated, such as bridges or buildings in regions with hot summers and cold winters, thermal insulation or other measures should be incorporated into the design. These measures prevent excessive heat transfer or the accumulation of thermal stress. In conclusion, steel rebars can be employed in structures experiencing extreme temperature variations, but careful considerations must be made. By accounting for thermal expansion, selecting suitable steel grades, and incorporating design techniques to accommodate temperature changes, the structural integrity and performance can be maintained. This ensures the safety and longevity of the construction.

Q:What are the guidelines for the proper anchoring of steel rebars in slabs?: The proper anchoring of steel rebars in slabs is crucial to ensure the structural integrity and strength of the concrete slab. Here are some guidelines to follow: 1. Embedment depth: The rebars should be embedded in the concrete slab to a specific depth. The depth is typically determined based on the size and strength of the rebars and the load requirements of the slab. It is important to follow the recommended embedment depth to ensure adequate transfer of forces between the rebar and the concrete. 2. Spacing: The rebars should be spaced at regular intervals within the slab to provide uniform reinforcement. The spacing is determined based on the design requirements and the expected load on the slab. Following the recommended spacing guidelines will help distribute the load evenly and prevent cracking or failure of the slab. 3. Lap length: When multiple rebars need to be joined together, a lap splice is used. The lap length is the minimum length of overlap required to ensure proper transfer of forces between the rebars. It is important to follow the specified lap length to maintain the integrity of the reinforcement. 4. Edge distance: The rebars should be placed at a certain distance from the edges of the slab to prevent edge failure. The edge distance is determined based on factors such as the bar size, concrete cover, and design requirements. Maintaining the specified edge distance will help ensure the rebars are adequately anchored and prevent concrete spalling or cracking near the edges. 5. Concrete cover: The rebars should have a minimum concrete cover to protect them from corrosion and provide fire resistance. The concrete cover is the distance between the outer surface of the rebar and the nearest concrete surface. Following the recommended concrete cover guidelines will help maintain the durability and longevity of the steel rebars. 6. Proper placement and alignment: The rebars should be accurately placed and aligned within the slab to provide effective reinforcement. They should be positioned at the correct depth, spacing, and alignment as per the design specifications. Proper placement and alignment will ensure the rebars are securely anchored and contribute to the overall strength of the slab. It is important to note that these guidelines may vary depending on the specific project requirements, local building codes, and design standards. Therefore, it is recommended to consult with a qualified structural engineer or follow the guidelines provided by relevant authorities to ensure the proper anchoring of steel rebars in slabs.

Q:How do steel rebars help in load distribution within a structure?: Steel rebars help in load distribution within a structure by providing reinforcement and strength to the concrete. They are embedded within the concrete to enhance its tensile strength and prevent cracking or failure under heavy loads. The rebars act as a framework, distributing the applied load across a larger area and reducing stress concentrations, thereby ensuring the stability and durability of the structure.

Q:Are there any alternatives to steel rebars for reinforcement?: Yes, there are several alternatives to steel rebars for reinforcement. Some commonly used alternatives include fiberglass rebars, carbon fiber reinforced polymers (CFRP), glass fiber reinforced polymers (GFRP), and basalt rebars. These materials offer advantages such as high tensile strength, corrosion resistance, and lighter weight compared to steel rebars. However, the choice of reinforcement material depends on various factors such as project requirements, cost-effectiveness, and specific structural needs.

Q:Can steel rebars be used in architectural concrete elements?: Yes, steel rebars can be used in architectural concrete elements. Steel rebars are commonly used in concrete construction to provide reinforcement and increase the strength and durability of the concrete structure. In architectural concrete, rebars can be strategically placed to enhance the structural integrity of the elements while also adding aesthetic value. The rebars can be exposed or hidden within the concrete, depending on the desired design outcome. By using steel rebars, architects have the flexibility to create complex and unique architectural elements while ensuring the required strength and stability.

Q:What is the process of installing steel rebars in slabs and beams?: The process of installing steel rebars in slabs and beams involves several steps to ensure proper reinforcement of the concrete structure. 1. Design and engineering: Before starting the installation process, the structural engineer designs the reinforcement layout based on the specific requirements of the project. This design considers factors such as load-bearing capacity, span length, and structural integrity. 2. Marking and layout: Once the design is finalized, the layout is marked on the slab or beam using chalk lines or other appropriate methods. This helps guide the installation process and maintain accuracy. 3. Cutting and bending rebars: Steel rebars are usually delivered in long lengths and need to be cut and bent according to the specific dimensions and angles required by the design. This process is done using specialized tools like rebar cutters and benders. 4. Placement and support: After the rebars are cut and bent, they are placed in the marked positions on the slab or beam. The rebars are supported using rebar chairs, spacers, or other suitable devices to ensure they remain in the correct position during the pouring of concrete. 5. Tying and securing: Once the rebars are correctly positioned, they are tied together using wire or other appropriate binding material. This ensures the rebars remain in their designated spots and maintain proper spacing and alignment. 6. Inspection and approval: After the rebars are installed, an inspection is carried out to verify that they meet the design specifications and are properly positioned. This inspection is usually performed by a qualified engineer or inspector who checks for compliance with building codes and standards. 7. Concrete pouring: After the rebars are inspected and approved, the concrete is poured over the reinforced area. The rebars act as reinforcement, providing added strength and stability to the structure. 8. Curing and finishing: Once the concrete is poured, it needs to cure and harden over a specific period. During this time, it is essential to protect the newly installed rebars and concrete from excessive moisture and temperature fluctuations. After curing, finishing processes such as leveling, smoothing, and surface treatments may be carried out to achieve the desired appearance and functionality. Overall, the process of installing steel rebars in slabs and beams involves careful planning, precise cutting and bending, accurate placement, proper securing, and thorough inspection to ensure a reinforced structure that meets design requirements and provides long-lasting strength and durability.

Q:How are steel rebars handled and stored on construction sites?: Steel rebars, also known as reinforcing bars, are an integral component in construction projects that require reinforced concrete structures. Handling and storing steel rebars on construction sites require careful attention to ensure their quality and safety. When steel rebars are delivered to the construction site, they should be inspected for any signs of damage or corrosion. Any damaged rebars should be discarded as they can compromise the structural integrity of the project. The rebars should also be checked for proper labeling, including grade, size, and other specifications. To handle steel rebars, workers typically use mechanical lifting equipment such as cranes or forklifts. It is essential to use appropriate lifting tools to prevent any mishandling or accidents that could result in injuries. The rebars should be lifted in a vertical position to avoid any bending or distortion. Once lifted, steel rebars should be stored in a designated area, usually called a rebar yard. The yard should be clean, well-drained, and organized to prevent any potential damage or corrosion. The rebars should be stacked horizontally on leveled ground, ensuring that they are not in direct contact with the soil or water to avoid rusting. To prevent rebars from rolling or falling, they should be securely tied together using binding wires or steel bands. This will also help in maintaining the order and stability of the stored rebars. Additionally, rebars should be stored away from other construction materials, machinery, or equipment to avoid any accidental damage. Proper storage also involves protecting the rebars from exposure to adverse weather conditions. Covering the rebars with waterproof tarpaulins or plastic sheets can prevent moisture absorption and corrosion. Adequate ventilation should be ensured to prevent the accumulation of moisture, which can lead to rusting. Regular inspections of the stored rebars are crucial to identify any signs of damage or deterioration. If any rebars are found to be damaged or rusty, they should be removed and replaced immediately to maintain the structural integrity of the construction project. In conclusion, steel rebars on construction sites are handled and stored with utmost care. Proper handling involves using suitable lifting equipment, while storage requires a clean and organized rebar yard. Regular inspections and maintenance are essential to ensure the rebars' quality and prevent any compromise to the construction project's structural integrity.

Q:How do steel rebars contribute to the overall occupant comfort of a building?: Steel rebars contribute to the overall occupant comfort of a building by providing structural strength and stability. They reinforce the concrete, ensuring that the building can withstand various forces such as wind, earthquakes, and heavy loads. This enhances the safety of the occupants, assuring them of a secure and stable structure. Additionally, steel rebars help in maintaining the integrity of the building over time, reducing the risk of cracks or structural failures that could negatively impact occupant comfort.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range