High Quality Deformed Steel Bar For Construction

High Quality Deformed Steel Bar For Construction System 1

High Quality Deformed Steel Bar For Construction

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Payment Terms:: TT or LC

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Product Description:

OKorder is offering High Quality Deformed Steel Bar For Construction at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

High Quality Deformed Steel Bar For Construction are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's High Quality Deformed Steel Bar For Construction are durable, strong, and wide variety of sizes.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Manufacture: Hot rolled

Grade: HRB335

Size: 6mm-25mm

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	B
HRB335	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	>0.0008
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥335		≥490		≥16

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥400		≥570		≥14

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: what is the difference between actual weight and theoretical weight?

A3: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.

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High Quality Deformed Steel Bar For Construction

Q:What are the guidelines for cutting and bending steel rebars on-site?: To ensure safety and accuracy when cutting and bending steel rebars on-site, it is essential to adhere to specific guidelines. These guidelines play a crucial role in maintaining the structural integrity of the rebars. Here are some key considerations to keep in mind: 1. Prioritize safety: Before initiating any cutting or bending activities, it is imperative to prioritize safety. This involves wearing appropriate personal protective equipment (PPE) such as goggles, gloves, and steel-toe boots. Additionally, ensure that the work area is free from hazards and that all safety protocols are followed. 2. Utilize appropriate cutting tools: When cutting rebars, it is important to use high-quality cutting tools specifically designed for this purpose. Commonly used manual cutting tools include bolt cutters or hydraulic shears. It is crucial to ensure that the cutting tool is sharp and in good condition to achieve clean cuts. Avoid using torches or heat-based methods, as they can weaken the rebars. 3. Precise measurement and marking: Before cutting, it is essential to measure and mark the rebars accurately according to the required lengths. To ensure accuracy, utilize a measuring tape and a permanent marker. Double-check the measurements to avoid any mistakes that may result in wastage or improper reinforcement. 4. Employ proper bending tools: When bending rebars, it is vital to use appropriate bending tools or machines. These tools ensure accurate bending angles and minimize the risk of rebars breaking or cracking. Adhere to the bending specifications provided by the project engineer or local building codes to ensure compliance. 5. Familiarize with reinforcement requirements: Gain a thorough understanding of the reinforcement requirements by reviewing the project plans, drawings, and specifications. Different projects may have specific guidelines for cutting and bending rebars. It is crucial to adhere to these requirements to ensure correct installation and provide the necessary structural strength. 6. Maintain quality control: Regularly inspect the rebars during the cutting and bending process to verify that they meet the required standards. Look for any signs of damage, cracks, or substandard workmanship. Additionally, ensure that the rebars are appropriately sorted and stored to prevent mix-ups or confusion on-site. 7. Effective waste management: Implement proper waste management practices for the waste generated during the cutting and bending process. Collect and dispose of steel shavings or offcuts in designated containers to prevent injuries or accidents caused by sharp edges. In conclusion, adhering to these guidelines for cutting and bending steel rebars on-site will contribute to the safety, accuracy, and effectiveness of the reinforcement process. When in doubt or faced with specific project requirements, it is advisable to consult experienced professionals or the project engineer.

Q:How do steel rebars contribute to the overall seismic resistance of a structure?: Steel rebars play a crucial role in enhancing the overall seismic resistance of a structure. During an earthquake, a structure undergoes significant lateral forces and vibrations. These forces can cause the structure to deform or even collapse if not properly addressed. Steel rebars, also known as reinforcement bars, are used to reinforce concrete structures and provide added strength and stability. One of the primary contributions of steel rebars is their ability to absorb and distribute seismic energy. When an earthquake occurs, the rebars act as a backbone within the concrete, absorbing the seismic forces and preventing the structure from experiencing excessive deformation. The rebars help to distribute the energy throughout the structure, reducing localized stress and preventing concentrated damage. Furthermore, steel rebars improve the ductility of a structure. Ductility refers to the ability of a material to deform without fracturing. During an earthquake, the ground shakes, causing the structure to sway. Steel rebars enhance the ductility of concrete by providing an additional pathway for the energy to dissipate. This allows the structure to absorb and dissipate the seismic energy by deforming in a controlled manner, ensuring that it remains intact and minimizes damage. Moreover, steel rebars increase the tensile strength of concrete. Concrete is strong in compression but weak in tension. The inclusion of steel rebars counteracts this weakness by providing tensile strength to the structure. When an earthquake occurs, the rebars bear the tensile forces and prevent the concrete from cracking or collapsing under tension. This reinforcement ensures that the structure remains stable and resilient during seismic events. In summary, steel rebars contribute significantly to the overall seismic resistance of a structure by absorbing and distributing seismic energy, enhancing ductility, and increasing the tensile strength of concrete. Their inclusion in the construction process ensures that the structure can withstand the lateral forces and vibrations caused by earthquakes, reducing the risk of damage or collapse.

Q:Are there any codes or regulations for the use of steel rebars in construction?: Yes, there are codes and regulations that govern the use of steel rebars in construction. These codes provide guidelines for the design, fabrication, and installation of rebars to ensure structural integrity and safety in buildings and other structures. Some commonly used codes include the American Concrete Institute (ACI) 318, British Standards (BS) 8666, and the European Standard (EN) 1992-1-1. Compliance with these codes is essential to meet the required standards and regulations in the construction industry.

Q:What are the different methods of protecting steel rebars from fire?: There are several methods of protecting steel rebars from fire. One common approach is to apply a coating of fire-resistant material, such as intumescent paint or epoxy-based fireproofing, directly onto the rebar surface. These coatings expand and form a protective layer when exposed to high temperatures, slowing down the transfer of heat to the steel and delaying its structural weakening. Another method involves encasing the rebars in fire-resistant materials, such as concrete or gypsum board, creating a barrier between the steel and the fire. Additionally, fireproofing sprays and wraps can be used to provide temporary protection during construction or renovation projects. Each method has its own advantages and suitability depending on the specific application and fire safety requirements.

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:What are the different shapes and forms of steel rebars available?: There are several different shapes and forms of steel rebars available, each designed for specific applications and requirements in construction projects. 1. Plain round bars: These are the most common type of steel rebars and have a circular cross-section. They are used in a wide range of applications, including general construction, reinforcement in concrete slabs, and foundation works. 2. Deformed bars: These rebars have protrusions or deformations on their surface to provide better adhesion with concrete. The deformations increase the bond strength between the rebar and the concrete, making them suitable for applications that require high tensile strength, such as columns, beams, and retaining walls. 3. Square bars: As the name suggests, square rebars have a square cross-section. They are commonly used in applications where a strong bond with concrete is required, such as in precast concrete elements, footings, and walls. 4. Rectangular bars: Rectangular rebars have a rectangular cross-section and are often used in applications that require higher tensile strength, such as bridges, tunnels, and heavy structural elements. 5. Welded wire fabric (WWF): WWF is a prefabricated reinforcement material that consists of a series of longitudinal and transverse wires welded together to form a grid-like pattern. It is commonly used in slabs, walls, and pavements, providing uniform reinforcement distribution. 6. Dowel bars: Dowel bars are used to transfer loads between two adjacent concrete elements, such as connecting slabs or pavements. They are typically made of smooth round bars and are inserted into drilled holes with epoxy adhesive for improved load transfer. 7. T-shaped bars: T-shaped rebars have a T-like cross-section, with a stem and a flange. They are commonly used in applications where additional reinforcement is needed at specific locations, such as joints, corners, and connections. It is important to consider the specific requirements of the construction project and consult with structural engineers or professionals to determine the appropriate shape and form of steel rebars to ensure optimal reinforcement and structural integrity.

Q:What are the safety precautions when working with steel rebars?: To minimize the chance of accidents and injuries when working with steel rebars, it is crucial to adhere to various safety measures. Consider the following key precautions: 1. Personal Protective Equipment (PPE): Ensure that you always wear the appropriate PPE, which includes safety glasses or goggles, gloves, steel-toed boots, and a hard hat. This will shield you from potential dangers like falling objects, flying debris, or accidental contact with sharp edges. 2. Training and awareness: Make certain that all workers involved in handling steel rebars receive proper training on safe work practices and are knowledgeable about the potential hazards associated with this work. Regular safety meetings and reminders can help reinforce this knowledge. 3. Proper lifting techniques: Given that steel rebars can be heavy and difficult to handle, employ proper lifting techniques such as bending at the knees and using leg muscles to avoid strains or back injuries. If necessary, utilize mechanical lifting aids like cranes or hoists to lessen the physical strain on workers. 4. Secure storage and handling: Store steel rebars securely and in an organized manner to prevent them from falling or rolling onto workers. When moving or transporting rebars, ensure they are properly secured to prevent shifting or falling during transit. 5. Cutting and bending precautions: When cutting or bending steel rebars, use appropriate tools and equipment like bolt cutters or rebar benders. Always wear protective gloves and ensure that the cutting or bending area is clear of other workers to prevent accidental injuries. 6. Fall protection: When working at elevated heights, such as during the installation of rebars in elevated structures, ensure that proper fall protection measures are in place. This may involve using safety harnesses, guardrails, or safety nets to prevent falls. 7. Fire prevention: Steel rebars can produce sparks when cut or welded, so it is essential to have adequate fire prevention measures in place. Clear the work area of flammable materials, have readily available fire extinguishers, and adhere to appropriate welding safety protocols. 8. Regular equipment maintenance: Keep all tools and equipment used for handling steel rebars well-maintained and in good working condition. Regularly inspect them for any damage or defects that could compromise safety. By adhering to these safety precautions, you can establish a safer working environment when dealing with steel rebars and reduce the risk of accidents or injuries.

Q:What are the common mistakes to avoid when handling and storing steel rebars?: To ensure the quality and longevity of steel rebars, it is crucial to steer clear of certain common mistakes. Here are some errors that should be sidestepped: 1. Inadequate storage conditions: The storage of steel rebars in damp or wet areas can result in corrosion and rust. To prevent moisture accumulation, it is vital to store them in a dry and well-ventilated space. 2. Insufficient support: To prevent bending or deformation, it is important to provide proper support when stacking rebars. Insufficient support can damage the rebars and compromise their structural integrity. 3. Improper lifting techniques: It is essential to employ appropriate lifting equipment and techniques when handling rebars. Using hooks or chains directly on the rebars can weaken and damage them. It is advisable to use lifting devices specifically designed for rebar handling. 4. Overloading: Avoid placing excessive weight on storage racks or platforms. Overloading can cause structural failure and pose a risk to workers. Always adhere to the manufacturer's guidelines for maximum weight capacity. 5. Lack of protection: Rebars should be shielded from moisture, dirt, and other contaminants. Wrapping them properly with plastic or waterproof covers can prevent corrosion and maintain their quality. 6. Improper transportation: During transportation, take care to secure the rebars adequately to prevent movement or damage. Using appropriate restraints and padding can prevent potential accidents or rebar displacement. 7. Mixing different grades: Do not mix rebars of different grades together, as they possess varying strength and performance characteristics. Mixing different grades can compromise the overall structural integrity of the construction project. 8. Neglecting quality control: Conduct regular quality checks on the rebars to ensure they meet the required specifications. Neglecting quality control can result in the use of substandard rebars, jeopardizing the safety and durability of the structure. By avoiding these common mistakes, construction professionals can guarantee the proper handling and storage of steel rebars, leading to safer and more durable structures.

Q:How do steel rebars contribute to the overall sustainability of concrete structures?: Steel rebars contribute to the overall sustainability of concrete structures in several ways. Firstly, steel rebars enhance the durability and lifespan of concrete structures. By reinforcing the concrete, rebars provide added strength and prevent cracking or structural failures, thereby extending the life of the structure. This reduces the need for frequent repairs or replacements, saving resources and minimizing the environmental impact of construction activities. Moreover, steel rebars are 100% recyclable. At the end of a structure's life cycle, the rebars can be easily removed and recycled, reducing the demand for new raw materials and minimizing waste. This not only conserves natural resources but also reduces greenhouse gas emissions associated with the extraction and production of virgin steel. Additionally, incorporating steel rebars into concrete structures allows for the use of thinner concrete sections. By using less concrete, there is a reduced demand for cement, which is a major contributor to carbon dioxide emissions during its production. Therefore, the use of steel rebars helps to lower the overall carbon footprint of concrete structures. Furthermore, steel rebars can be designed to resist corrosion, which is a common issue in concrete structures exposed to harsh environments or in coastal areas. By providing protection against corrosion, the rebars increase the service life of the structure, reducing the need for maintenance and repairs. This not only saves costs but also reduces the environmental impact associated with maintenance activities. Overall, steel rebars play a crucial role in enhancing the sustainability of concrete structures by improving their durability, enabling recycling, reducing material consumption, and minimizing maintenance requirements. By incorporating steel rebars into concrete construction, we can create long-lasting, environmentally-friendly structures that contribute to a more sustainable built environment.

Q:What are the different types of steel rebars used in railway construction?: There are primarily two types of steel rebars used in railway construction: plain carbon steel rebars and epoxy-coated rebars. Plain carbon steel rebars are commonly used due to their high strength and durability. Epoxy-coated rebars, on the other hand, are used in areas prone to corrosion, as the epoxy coating provides an additional layer of protection against moisture and other corrosive elements.

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