Hot Rolled Steel Deformed Bar in Coils System 1

Hot Rolled Steel Deformed Bar in Coils

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 100 m.t.

Supply Capability:: 5000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Steel Deformed Bar in Coils 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:

Hot Rolled Steel Deformed Bar in Coils are ideal for structural applications and are widely used in forest region, Mines, factories and construction sites laid of the place such as temporary transport line and light motorcycles with line..

Product Advantages:

OKorder's Hot Rolled Steel Deformed Bar in Coils 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,HRB400,HRB500

Certificates: ISO, SGS, BV, CIQ

Diameter:6mm-10mm

Packing: products are packed in coils and shipped by break bulk or containers

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

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: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.

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Hot Rolled Steel Deformed Bar in Coils

Q: What are the guidelines for proper storage and transportation of steel rebars?: The guidelines for proper storage and transportation of steel rebars are essential to ensure their integrity and quality. Here are some important guidelines to follow: 1. Storage: Steel rebars should be stored in a clean, dry, and well-ventilated area to prevent corrosion. They should be placed on a flat surface to avoid distortion or bending. Stacking should be limited to prevent excessive weight on the lower rebars, which can lead to deformation. 2. Protection: Steel rebars should be protected from exposure to moisture, rain, and direct sunlight. They should be covered with a waterproof tarp or plastic sheeting to prevent rusting. Rust can weaken the rebars and compromise their structural integrity. 3. Separation: Different sizes and grades of rebars should be stored separately to avoid confusion and ensure easy access. Additionally, rebars should be kept away from other materials that can cause damage or contamination. 4. Handling: When handling steel rebars, proper lifting techniques should be employed. Forklifts or cranes with appropriate lifting equipment should be used to prevent damage or injuries. The rebars should not be dragged or dropped, as this can cause deformation or cracking. 5. Transportation: During transportation, steel rebars should be secured properly to prevent shifting or movement that can lead to damage. Adequate cushioning materials, such as wooden blocks or rubber pads, should be used to minimize vibration and impact. Additionally, rebars should be covered to protect them from road debris and adverse weather conditions. 6. Documentation: Proper documentation is necessary for tracking the origin, size, and grade of the rebars. This information helps in ensuring compliance with industry standards and quality control measures. By adhering to these guidelines, the risk of damage, deformation, and corrosion to steel rebars during storage and transportation can be significantly reduced. This ensures that the rebars maintain their structural integrity and are fit for use in construction projects.

Q: Are steel rebars suitable for use in historical restoration projects?: Steel rebars can be suitable for use in historical restoration projects, depending on the specific requirements and circumstances. Steel rebars offer several advantages, such as their high strength, durability, and ability to reinforce structures effectively. These qualities make them a popular choice in modern construction and renovation projects. However, when considering the use of steel rebars in historical restoration projects, it is crucial to take into account the preservation and authenticity of the original structure. Historical buildings often have unique architectural features and materials that should be respected and preserved. In some cases, the use of steel rebars may not be suitable, especially if it compromises the historical integrity or visual appearance of the structure. This is particularly relevant for buildings with significant historical value or those that are protected by heritage regulations. If steel rebars are deemed necessary for structural reinforcement in a historical restoration project, it is essential to ensure that they are discreetly integrated, minimizing their visual impact. This can be achieved by concealing them within the original materials or using techniques that replicate the appearance of the original construction. In summary, while steel rebars can offer structural benefits and durability, their use in historical restoration projects should be carefully evaluated to ensure that they align with the preservation goals and requirements of the specific project. Preservation of historical authenticity should always be a priority in such endeavors.

Q: How do steel rebars affect the thermal conductivity of a structure?: Steel rebars can significantly increase the thermal conductivity of a structure. Due to their high thermal conductivity, steel rebars act as conduits for heat transfer within the structure. This means that heat can easily flow from one part of the structure to another through the steel rebars, resulting in faster heat transmission and reduced thermal resistance. Consequently, the presence of steel rebars can enhance both the heat absorption and dissipation capacities of a structure, making it more susceptible to temperature changes and potentially affecting its overall thermal performance.

Q: What is the lifespan of steel rebars in a concrete structure?: The lifespan of steel rebars in a concrete structure can vary depending on several factors such as the quality of the steel, the environment it is exposed to, and the level of maintenance. However, under normal conditions, steel rebars in a well-designed and properly constructed concrete structure can last for several decades, typically ranging from 50 to 100 years or more. Regular inspections, repairs, and proper protective measures can help extend their lifespan even further.

Q: How do steel rebars affect the construction cost of high-rise buildings?: High-rise buildings' construction costs are significantly influenced by steel rebars. These reinforced steel bars are vital for providing strength and stability to the structure, particularly in high-rise buildings that face greater structural loads. To begin with, the cost of steel rebars can make up a substantial portion of the overall construction budget. Market fluctuations affect steel rebars' prices, meaning any increase in steel prices can directly impact construction costs. Additionally, high-rise buildings typically require a higher quantity and quality of rebars compared to low-rise structures, further increasing the overall cost. Furthermore, the installation of steel rebars adds to the construction cost due to the need for skilled labor and specialized equipment. Reinforcing concrete with steel rebars necessitates careful planning, precise placement, and adherence to construction codes and safety standards. Hiring experienced and qualified workers results in higher labor costs. Moreover, the use of steel rebars enhances the durability and longevity of high-rise buildings. By reinforcing the structure, rebars improve the building's structural integrity, making it more resistant to forces like earthquakes, wind, and vibrations. This reduces maintenance and repair costs over the building's lifespan, making the initial investment in steel rebars worthwhile. Lastly, steel rebars impact the overall construction timeline and project schedule. As a critical component of the building's structure, installing rebars is typically time-consuming. Delays or errors in this process can lead to project delays and additional costs. Therefore, proper planning, coordination, and supervision are necessary to ensure the efficient and timely installation of rebars, minimizing any potential cost overruns. In conclusion, steel rebars play a crucial role in high-rise building construction, significantly impacting the overall cost. Despite the direct costs of rebars, labor, and specialized equipment, their use ultimately enhances the building's strength, durability, and longevity. Considering the long-term benefits and the importance of structural integrity, including steel rebars is necessary, despite their impact on construction costs.

Q: How are steel rebars classified based on their diameter?: Steel rebars are classified based on their diameter using a standardized system. The diameter of rebars is measured in millimeters and is denoted by a number. The most commonly used classification system for rebars is the "nominal diameter" system, where rebars are categorized into different sizes based on their diameter. The nominal diameter is expressed as a whole number, for example, 6, 8, 10, 12, etc. In this system, the nominal diameter represents the approximate diameter of the rebar in millimeters. For instance, a rebar with a nominal diameter of 8 has an approximate diameter of 8 millimeters. The diameter of rebars can range from as small as 6 millimeters to as large as 50 millimeters or more. It is important to note that the actual diameter of a rebar may vary slightly from its nominal diameter due to manufacturing tolerances. However, these variations are generally within an acceptable range. The classification of steel rebars based on their diameter is crucial in construction and engineering as it helps in determining the appropriate size and strength of rebars required for a specific application. Different diameters of rebars have different load-bearing capacities and are used accordingly in various structural elements such as beams, columns, slabs, and foundations. In summary, steel rebars are classified based on their diameter using a nominal diameter system, where the approximate diameter of the rebar is expressed as a whole number in millimeters. This classification aids in selecting the right size and strength of rebars for different construction purposes.

Q: How long do steel rebars typically last in a building?: Steel rebars typically last for the entire lifespan of a building, which can range from 50 to 100 years or even longer with proper maintenance and protection against corrosion.

Q: How do steel rebars contribute to the overall structural performance of a building?: Steel rebars play a crucial role in enhancing the overall structural performance of a building. These reinforced steel bars are primarily used in concrete construction and provide strength and stability to the structure. Firstly, rebars reinforce the concrete by increasing its tensile strength. Concrete is highly resistant to compression forces, but it is weak when it comes to tension. By adding steel rebars, which have excellent tensile strength, to the concrete, the resulting composite material becomes much stronger and more resistant to bending or cracking under pressure. Moreover, rebars improve the durability and longevity of the building. Concrete structures are subjected to various forces such as wind, earthquakes, and heavy loads. Steel rebars act as a reinforcement network, distributing these forces throughout the concrete and preventing localized damage. This reinforcement helps to minimize the risk of structural failure, ensuring the building can withstand the test of time and environmental conditions. In addition, rebars contribute to the overall stability of the structure. By reinforcing concrete columns, beams, and slabs, rebars enhance their load-bearing capacity. This enables the building to support heavier loads without excessive deflection or collapse. The increased stability provided by the rebars also allows for more flexible and creative architectural designs, as they provide the necessary structural support for complex and unique building shapes. Furthermore, steel rebars are essential in seismic zones where earthquakes are common. The ductility and flexibility of steel allow it to absorb and dissipate the energy generated during an earthquake. This prevents the building from undergoing severe damage and helps it to retain its structural integrity, minimizing the risk to occupants. Overall, steel rebars significantly contribute to the overall structural performance of a building by enhancing its strength, durability, stability, and resistance to various forces. Their use ensures that the structure remains safe, long-lasting, and capable of withstanding the demands placed upon it, making them an indispensable component in modern construction.

Q: How do steel rebars enhance the load-bearing capacity of a structure?: Steel rebars enhance the load-bearing capacity of a structure by providing reinforcement and strengthening to the concrete. They are essentially embedded within the concrete and act as a skeleton or framework, offering additional strength to the structure. The primary function of steel rebars is to resist tension forces that the concrete alone may not be able to withstand. When a structure is subjected to heavy loads or external forces, such as earthquakes or wind, the concrete may crack or fail under the stress. However, the presence of steel rebars helps distribute and absorb these forces, preventing the concrete from breaking apart. The ribbed surface of rebars improves the bond between the steel and the concrete, ensuring effective load transfer between the two materials. This bond allows the rebars to resist tension and compression forces, as well as shear forces, resulting in an overall increase in load-bearing capacity. Furthermore, steel rebars help control and limit the width and depth of cracks that may occur in the concrete. By restraining crack propagation, rebars prevent the cracks from expanding and compromising the structural integrity of the building. This is particularly crucial in earthquake-prone regions, where the ability of a structure to withstand ground movements is of utmost importance. In addition to enhancing the load-bearing capacity, steel rebars also contribute to the durability and longevity of a structure. They have high tensile strength, which means they can withstand significant pulling forces without deforming or breaking. This property ensures that the structure remains stable and secure over time, even under dynamic or extreme loading conditions. Overall, steel rebars play a vital role in enhancing the load-bearing capacity of a structure by reinforcing the concrete, increasing its resistance to tension forces, and controlling crack propagation. Their presence significantly improves the structural integrity, durability, and safety of buildings, making them an essential component in modern construction practices.

Q: How are steel rebars used in flat slabs and beams?: Steel rebars are used in flat slabs and beams to provide tensile strength and reinforce the concrete structure. They are placed within the concrete to enhance its ability to handle tensile forces, which are typically higher in flat slabs and beams. The rebars help prevent cracking and increase the overall stability and load-bearing capacity of the structure.

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