reinforcement steel bar coil for construction

reinforcement steel bar coil for construction

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Standard:AISI, ASTM, GB
Grade:HRB335
Diameter:6mm-15mm
Length:9m
Place of Origin:Hebei, China (Mainland)
Brand Name:mammoth
Model Number:HRB335 HRB400 HRB400E G60 GR460
Application:construction of houses
color:black

Packaging & Delivery

Packaging Details:	in bulk or according to the customer's require
Delivery Detail:	20 days after L/C or prepayment

Specifications

FOB Price:USD485--545
Port:Tianjin
Payment Terms:L/C,T/T
Grade:HRB335,HRB400,HRB400E,G60,GR460

Quick Details

Standard:AISI,ASTM,BS,DIN,GB,JIS
Grade:HRB335
Diameter:6mm-15mm
Length:9m
Place of Origin:Hebei, China (Mainland)
Brand Name:mammoth
Model Number:6mm
Application:construction of houses, bridges, roads and other civil works,making Concrete

Packaging & Delivery

Packaging Details:	In bulk or according to the customer's require.
Delivery Detail:	15-30 days after L/C or prepayment.

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Specifications

1)Material: HRB335,HRB400,HRB400E,G60,GR460
2)FOB price: $560-610
3)Payment terms: TT or LC
4)MOQ: 50MT

Deformed Reinforcement Steel Bar

1)Grade: GB1499.2-2007, BS4449 A615

2) Diameter: 6,8,10,12,14,16,18,20,22,25,28,32mm

3)Application: making Concrete , construction of houses, bridges, roads and other civil works. It's also the material to make the reinforcing mesh-a new type of construction material, particularly suitable for large areaconcreteengineering.

We are manufacture specilized in Steel Wire and Rebar with 8 years' experience. Our mill is near the seaport, with low logistic cost . Every month we export 5000mt goods to other countries, and have gained the widly reputation from our customers .

DEFORMED BAR INFORMATION
SIZE(mm)	CUT AREA(CM2)	THEORETICAL WEIGHT(KG/M)
6	0.283	0.222
8	0.503	0.395
9	0.636	0.50
10	0.79	0.62
12	1.13	0.89
14	1.54	1.21
16	2.01	1.58
18	2.55	2.00
20	3.14	2.47
22	3.8	2.98
25	4.91	3.85
28	6.16	4.83
32	8.04	6.31

Q:What are the factors that influence the mechanical properties of steel wire rod?: There are several factors that can influence the mechanical properties of steel wire rods. These factors include: 1. Composition: The chemical composition of the steel, including the presence of alloying elements, plays a significant role in determining its mechanical properties. Elements such as carbon, manganese, silicon, and others can affect the strength, hardness, and ductility of the wire rod. 2. Microstructure: The microstructure of the steel, which is determined by factors such as cooling rate and heat treatment, can greatly influence its mechanical properties. The arrangement of grains, the presence of impurities, and the size and distribution of precipitates can all affect the wire rod's strength, toughness, and other properties. 3. Processing conditions: The processing conditions during the production of wire rods, such as the temperature, cooling rate, and rolling conditions, can have a significant impact on the mechanical properties. For example, controlled cooling rates can result in a fine-grained microstructure, which can enhance the wire rod's strength and toughness. 4. Heat treatment: Heat treatment processes such as annealing, quenching, and tempering can be used to further modify the mechanical properties of steel wire rods. These processes can help to refine the microstructure, relieve internal stresses, and improve the wire rod's strength, hardness, and ductility. 5. Surface finish: The surface finish of the wire rod, including factors such as scale, decarburization, and surface defects, can also affect its mechanical properties. A smooth and clean surface can contribute to better fatigue resistance and overall mechanical performance. 6. Size and shape: The size and shape of the wire rod, including its diameter and cross-sectional profile, can influence its mechanical properties. Thicker rods tend to have higher strength but lower ductility, while thinner rods may exhibit higher ductility but lower strength. 7. Environmental conditions: The mechanical properties of steel wire rods can also be influenced by the environmental conditions in which they are used. Factors such as temperature, humidity, and exposure to corrosive substances can all impact the wire rod's strength, toughness, and corrosion resistance. It is important to consider these factors when selecting or designing steel wire rods for specific applications, as they can greatly impact the performance and reliability of the final product.

Q:How are steel wire rods used in the manufacturing of nails?: Steel wire rods are a crucial component in the manufacturing of nails. These rods are typically made from high-quality steel, which is known for its strength and durability. The first step in the process involves the selection of the appropriate steel wire rod based on the desired nail specifications. The diameter and tensile strength of the rod are carefully chosen to ensure the final nail meets the required standards. Once the steel wire rods are selected, they are fed into a nail-making machine. This machine consists of various sections that work together to transform the wire rod into a nail. The first section of the machine straightens the wire rod, ensuring it is aligned correctly. The rod then moves to the cutting section, where it is cut into the desired length for the nail. Next, the rod enters the forming section, where it is shaped into the basic structure of the nail. This section uses a combination of mechanical force and heat to mold the wire rod. After the forming process, the nail is passed through a series of rollers and dies to refine its shape and enhance its strength. These rollers and dies give the nail its characteristic head, shank, and point. Finally, the nails are cooled and inspected for quality control. Any defective nails are discarded, and the acceptable ones are collected and packaged for distribution. Overall, steel wire rods are essential in the manufacturing of nails as they provide the raw material necessary for creating sturdy, reliable nails. The strength and durability of steel make it an ideal material for nails, allowing them to withstand the pressures and forces they will encounter during use.

Q:How is steel wire rod used in the manufacturing of wire forms for household appliances?: Steel wire rod is an essential component in the manufacturing of wire forms for household appliances. These wire forms are used in a wide range of applications, such as heating elements, fan guards, racks, and shelves. The process begins with the production of steel wire rod, which is a long, cylindrical piece of steel. This rod undergoes several manufacturing processes before it is transformed into wire forms. The first step is drawing, where the steel wire rod is pulled through a series of dies to reduce its diameter and increase its length. This process ensures that the wire has the desired thickness and strength. Once the wire is drawn, it is further processed to create various wire forms. For example, in the case of heating elements, the wire is coiled into a specific shape and size. This coiled wire is then typically passed through a heating process to improve its durability and resistance to heat. In the case of fan guards, the steel wire rod is bent and shaped into a circular or square pattern, forming a protective barrier around the fan blades. These wire forms are designed to prevent any objects or fingers from coming into contact with the blades while the fan is running. Similarly, for racks and shelves, the steel wire rod is bent and welded to create a sturdy and durable structure. These wire forms provide support and organization for various household appliances, such as ovens, refrigerators, and dishwashers. Overall, steel wire rod is a crucial material in the manufacturing of wire forms for household appliances. Its strength, flexibility, and durability make it an ideal choice for creating a wide range of wire forms that are essential for the functioning and safety of household appliances.

Q:How is steel wire rod used in the manufacturing of automotive seat frames?: Steel wire rod is commonly used in the manufacturing of automotive seat frames due to its high strength and durability properties. The steel wire rod is typically formed into different shapes and sizes to create the framework for automotive seats. These seat frames provide structural support and stability to the seats, ensuring they can withstand the weight and movements of passengers. The steel wire rod is first processed through various manufacturing techniques such as hot rolling, cold drawing, and heat treatment to achieve the desired mechanical properties. This process ensures that the steel wire rod has the necessary strength and flexibility to withstand the constant stress and load-bearing requirements of automotive seat frames. Once the steel wire rod is prepared, it is then bent and shaped into the required form using specialized machinery. This allows manufacturers to create different seat frame designs that meet the specific requirements of different vehicle models. The steel wire rod is often welded or joined together at specific points to form a sturdy and stable seat frame structure. The use of steel wire rod in automotive seat frames offers several advantages. Firstly, steel is known for its high strength-to-weight ratio, making it an ideal material for supporting heavy loads without adding excessive weight to the vehicle. Additionally, steel wire rod has excellent corrosion resistance properties, ensuring that seat frames remain durable and long-lasting even in harsh environmental conditions. Moreover, steel wire rod provides flexibility in design and customization. Manufacturers can easily modify the shape and size of the seat frames to accommodate various seat configurations and ergonomic requirements. This allows for the production of comfortable and safe seating options for passengers. In summary, steel wire rod is essential in the manufacturing of automotive seat frames due to its strength, durability, and customization capabilities. It provides the necessary structural support and stability to ensure the safety and comfort of vehicle occupants.

Q:What are the common joining methods for steel wire rod?: The common joining methods for steel wire rod include welding, soldering, crimping, and using mechanical connectors such as bolts or clips.

Q:What are the different types of steel wire rod surface defects and their impact?: There are several types of steel wire rod surface defects, which include scales, scratches, pits, cracks, and rust. These defects can have various impacts on the quality and performance of the steel wire rod. Scales can reduce the strength and ductility of the rod, while scratches can lead to stress concentration and potential failure under load. Pits can act as stress risers and initiate cracks, compromising the integrity of the wire rod. Cracks can result in catastrophic failure and reduce the overall strength of the rod. Rust, on the other hand, can corrode the surface of the wire rod, reducing its lifespan and structural integrity. Therefore, it is crucial to identify and address these defects to ensure the reliability and quality of steel wire rods.

Q:What are the main trends in the steel wire rod industry?: The future of the steel wire rod industry is being shaped by several key trends. One of the main trends is the rising demand for steel wire rods in different industries, such as construction, automotive, and manufacturing. Construction projects worldwide are driving this demand, while the automotive industry relies heavily on steel wire rods for various components. As these industries continue to grow, the demand for steel wire rods is expected to increase. Another significant trend is the move towards higher quality and more advanced steel wire rods. Manufacturers are now seeking steel wire rods that offer superior strength, durability, and corrosion resistance, aligning with the growing focus on sustainability and energy efficiency. To meet these demands, innovative steel wire rod grades and processes have been developed, delivering improved performance characteristics. Advanced technologies like microalloying and controlled cooling have also played a role in producing high-quality steel wire rods with better mechanical properties. Furthermore, the steel wire rod industry is experiencing a rise in the adoption of automation and digitization. Manufacturers are embracing advanced manufacturing technologies such as robotics and artificial intelligence to enhance productivity, reduce costs, and improve product quality. Automation enables efficient production processes, while digitization allows for real-time monitoring and control of operations. These technological advancements are revolutionizing the steel wire rod industry, making it more efficient, flexible, and responsive to market demands. Sustainability is also a critical trend in the steel wire rod industry. Environmental concerns and regulatory requirements have prompted manufacturers to prioritize eco-friendly manufacturing processes and products. Energy consumption reduction, emissions minimization, and resource optimization are among the measures being implemented. This involves the adoption of energy-efficient technologies, recycling initiatives, and the development of eco-friendly steel wire rod grades. Sustainability has become a driving force behind innovation and competitiveness in the industry. To summarize, the steel wire rod industry is being shaped by trends such as increasing demand, a focus on higher quality and advanced products, the embrace of automation and digitization, and a commitment to sustainability. These trends are propelling innovation and creating new opportunities for manufacturers in the industry.

Q:How are steel wire rods used in the manufacturing of strings for musical instruments?: Steel wire rods are an essential component in the manufacturing of strings for musical instruments. These rods are primarily used as the core material for creating the inner structure of strings, providing them with strength, durability, and the ability to withstand tension. To manufacture musical instrument strings, steel wire rods undergo a series of processes. First, they are carefully selected based on their quality and desired characteristics, such as flexibility and tensile strength. These rods are then subjected to a process called drawing, where they are pulled through a series of dies to reduce their diameter and increase their length. After drawing, the steel wire rods are often further processed through several steps to enhance their performance. These steps may include annealing, which involves heating the rods to a specific temperature and then slowly cooling them to improve their flexibility and eliminate any internal stresses. Additionally, the rods may undergo surface treatments such as electroplating or coating to prevent corrosion and improve their playability. Once the steel wire rods have been processed, they are ready to be transformed into strings. The rods are typically wound around a core material, such as nylon or gut, to create the desired thickness and tension for each string. The winding process involves tightly wrapping the steel wire around the core material, ensuring that it remains in place and provides the necessary strength and stability. The use of steel wire rods in the manufacturing of strings for musical instruments offers several advantages. Steel provides a bright and clear tone, making it suitable for a wide range of instruments like guitars, pianos, and violins. Furthermore, steel wire rods offer excellent durability and resistance to breakage, allowing the strings to withstand the constant tension and impact of playing. In conclusion, steel wire rods play a crucial role in the manufacturing of musical instrument strings. Their strength, flexibility, and durability make them an ideal material for creating the inner structure of strings, while also contributing to the unique sound and playability of the instrument.

Q:What are the different types of steel wire rod rolling processes?: There are several different types of steel wire rod rolling processes, each with its own unique characteristics and advantages. Some of the most commonly used processes include: 1. Hot rolling: This is the most common method used to produce steel wire rods. In this process, the steel is heated above its recrystallization temperature and passed through a series of rolling mills to reduce its thickness and increase its length. Hot rolling results in a finer grain structure, improved mechanical properties, and a higher surface quality. 2. Cold rolling: This process involves passing the steel wire rod through a series of rolling mills at room temperature or below its recrystallization temperature. Cold rolling is typically used to produce smaller diameter wire rods with tighter tolerances and improved surface finish. It also provides higher strength and hardness compared to hot rolling. 3. Thermomechanical rolling: This process combines elements of both hot and cold rolling. The steel wire rod is heated to a temperature slightly above its recrystallization temperature and then rolled at a lower temperature. This allows for better control over the mechanical properties and microstructure of the wire rod, resulting in enhanced strength and toughness. 4. Controlled cooling rolling: In this process, the steel wire rod is cooled at a controlled rate after hot rolling. This controlled cooling helps to refine the microstructure and enhance the mechanical properties of the wire rod. It is commonly used to produce high-strength wire rods for applications requiring excellent fatigue resistance and durability. 5. Micro-alloyed rolling: This process involves adding small amounts of alloying elements, such as vanadium or niobium, to the steel wire rod before rolling. These alloying elements help to refine the grain structure and improve the mechanical properties of the wire rod, such as strength and toughness. Micro-alloyed rolling is often used to produce wire rods for high-stress applications, such as automotive and construction industries. Overall, the choice of steel wire rod rolling process depends on the desired properties and specifications of the end product. Each process offers distinct advantages and can be tailored to meet specific industry requirements.

Q:What are the environmental considerations associated with steel wire rod production?: Steel wire rod production has several environmental considerations. One of the primary concerns is the energy consumption and greenhouse gas emissions associated with the manufacturing process. Steel wire rod production requires high temperatures, which are typically achieved through the combustion of fossil fuels such as coal or natural gas. This combustion releases carbon dioxide, contributing to global climate change. Additionally, the extraction of raw materials for steel wire rod production, such as iron ore and coal, can have detrimental effects on the environment. Mining activities can lead to deforestation, habitat destruction, and soil erosion. Furthermore, the transportation of these raw materials to the production facilities can also result in additional carbon emissions. Water usage is another significant environmental consideration. Steel wire rod production requires large amounts of water for cooling purposes and the removal of impurities. This can strain local water resources, particularly in areas with limited water availability or during periods of drought. Waste management is also critical in steel wire rod production. The process generates various by-products and waste materials, including slag and dust. Proper disposal or treatment of these waste materials is essential to prevent pollution of soil, water, and air. Furthermore, steel wire rod production can have indirect environmental impacts through the use of chemicals and additives. These substances may be used for various purposes, such as corrosion prevention or enhancing the mechanical properties of the wire rod. The improper handling or disposal of these chemicals can lead to environmental contamination. To mitigate these environmental considerations, steel wire rod producers should invest in cleaner and more energy-efficient technologies, such as using renewable energy sources or implementing energy-efficient furnaces. Additionally, recycling scrap steel instead of solely relying on virgin raw materials can significantly reduce the environmental impact of steel wire rod production. Implementing water conservation measures and developing comprehensive waste management plans are also crucial to minimize the environmental footprint of this manufacturing process.

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