• Hot- rolled steel coil for construction GB Q235 System 1
  • Hot- rolled steel coil for construction GB Q235 System 2
  • Hot- rolled steel coil for construction GB Q235 System 3
Hot- rolled steel coil for construction GB Q235

Hot- rolled steel coil for construction GB Q235

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

One, introduction

Hot rolled coil is used for continuous casting slab or slab as raw material, after reheating furnace heating, scales entered the roughing mill in the high pressure water, roughing cut is expected by the head, tail, and then enter the finishing mill, the implementation of the computer controlled rolling, finally after rolling through the laminar cooling (computer controlled cooling rate) and coiling machine coiling, become straight hair volume. Hair straightener roll head, tail often forms a tongue shape and fishtail, thickness, width of poor accuracy, edge has wavy, folding, tower and other defects. The volume weight heavier, steel coil diameter is 760mm. (general pipe industry like use. )

2 two, characteristics

Because there is no after annealing treatment, the hardness is very high (HRB greater than 90), mechanical processing performance is poor, only a simplebending process has less than 90 degree directional (direction perpendicular to the rolled).

Three, use 3

Hot rolled products with high strength and good toughness, easy processing and good forming can be excellent performance of welding, which is widely used in ships, cars, bridges, buildings, machinery, boiler, pressure vesselmanufacturing industry.

The scope of application:

(1) after annealing processing into the common cold;

(2) processing galvanized galvanized unit before the annealing treatment;

(3) the basic do not need to process the panel.

4 four, classification

Carbon steel plate, carbon plate, low alloy plate, ship plate, bridge plate, boiler plate, container plate etc.. Rolling hard volumes: under normal temperature,the hot pickling volumes of continuous rolling.

Hot rolled steel strip products include steel (roll) and the shear of steel plate.And steel (coils) can be divided into straight and finishes volume (the volume,smooth rolling and slitting roll).

Hot- rolled steel coil for construction GB Q235

Hot- rolled steel coil for construction GB Q235

Hot- rolled steel coil for construction GB Q235

Q:What are the common production processes for californium-coated steel wire rod?
The common production processes for californium-coated steel wire rod typically involve several steps. First, the steel wire rod is cleaned and treated to remove any impurities or contaminants. This may include processes such as pickling, shot blasting, or acid treatment. Next, a layer of californium is applied to the surface of the steel wire rod. This can be done through various methods, such as physical vapor deposition (PVD), chemical vapor deposition (CVD), or electroplating. The californium coating is carefully controlled to ensure a uniform and consistent thickness. Once the californium coating is applied, the steel wire rod may undergo additional processes to enhance its properties. This can include heat treatment, annealing, or quenching to improve its strength, hardness, or other desired characteristics. Finally, the californium-coated steel wire rod is inspected for quality assurance purposes. This may involve visual inspection, dimensional measurements, or testing for adherence to specific standards or specifications. Overall, the production processes for californium-coated steel wire rod aim to ensure a high-quality product with the desired properties and performance.
Q:What are the common quality control measures for steel wire rod?
Some common quality control measures for steel wire rod include conducting visual inspections for defects such as surface cracks or imperfections, performing dimensional checks to ensure the rod meets specified size and shape requirements, conducting mechanical tests to evaluate its strength and durability, and conducting chemical analysis to verify the composition and purity of the steel. Additionally, quality control measures may involve conducting non-destructive testing techniques such as ultrasonic testing or magnetic particle inspection to identify any internal flaws or defects that may affect the performance of the wire rod.
Q:What are the main factors influencing the choice of steel wire rod coating?
The choice of coating for steel wire rods is impacted by several key factors: the intended use, environmental conditions, durability needs, and cost considerations. First and foremost, the intended application of the wire rod is crucial in determining the appropriate coating. Different coatings offer specific properties like corrosion resistance, lubricity, or electrical conductivity. For instance, if the wire rod will be used outdoors or exposed to moisture, a corrosion-resistant coating like zinc or zinc-aluminum is preferred. On the other hand, if the wire rod is intended for electrical purposes, a coating with high electrical conductivity may be necessary. Secondly, the environmental conditions in which the wire rod will be utilized also play a significant role in coating selection. Factors such as temperature, humidity, exposure to chemicals, and UV radiation can impact the coating's performance and durability. Therefore, coatings that exhibit excellent resistance to these environmental factors are often chosen. Durability requirements are another influential factor. Depending on the wire rod's intended lifespan and the level of wear and tear it will face, different coatings with varying levels of durability may be chosen. Some coatings, such as epoxy or polyurethane, offer exceptional resistance to abrasion and impact, making them suitable for applications involving frequent handling or harsh environments. Lastly, cost considerations are important in coating selection. Different coatings come at different price points, and the cost must be balanced with desired performance and durability. It is crucial to choose a coating that meets requirements at a reasonable cost, ensuring a cost-effective solution without compromising the wire rod's performance. In conclusion, the choice of coating for steel wire rods hinges on the intended application, environmental conditions, durability needs, and cost considerations. By taking these factors into account, manufacturers can select the most suitable coating that provides the necessary properties and durability for the specific application while remaining cost-effective.
Q:How is steel wire rod used in the manufacturing of wire for automotive braking systems?
The manufacturing of wire for automotive braking systems heavily relies on steel wire rod. This crucial component possesses remarkable strength and durability. To create the wire used in these systems, a series of manufacturing processes are implemented after carefully selecting high-quality steel wire rod. To begin with, the steel wire rod undergoes thorough examination and testing to ensure it meets the required specifications and standards for automotive braking systems. This step is of utmost importance as the wire must withstand the immense forces and pressures exerted during braking, guaranteeing the safety and reliability of the braking system. Once the steel wire rod successfully passes the quality tests, it proceeds to a process known as wire drawing. This process involves pulling the steel wire rod through a series of dies, gradually reducing its diameter while increasing its length. As a result, a wire with a smooth and uniform surface is obtained, enhancing its ability to resist wear and corrosion. Following wire drawing, the wire undergoes further processing through heat treatment. This involves subjecting the wire to controlled heating and cooling processes, such as annealing or quenching, to enhance its mechanical properties. Through heat treatment, the wire's tensile strength, hardness, and resistance to deformation are increased, making it suitable for the demanding conditions of automotive braking systems. Afterward, the wire is coated with a protective layer, typically made of zinc or other corrosion-resistant materials, through the process of galvanization. This coating provides an additional layer of protection against rust and corrosion, extending the wire's lifespan and ensuring its optimal performance in harsh environments. Finally, the wire undergoes additional processing to meet the specific requirements of automotive braking systems. It may be shaped, cut, or formed into various components such as brake cables, brake pads, or brake springs. The exceptional strength, durability, and reliability of the steel wire rod used in the manufacturing of wire for automotive braking systems greatly contribute to the overall performance and safety of the braking system. In conclusion, the role of steel wire rod in the manufacturing of wire for automotive braking systems is vital. Its exceptional strength, durability, resistance to wear and corrosion make it the ideal material for withstanding the extreme forces and conditions experienced during braking. By utilizing high-quality steel wire rod, automotive manufacturers can ensure the production of reliable and safe braking systems.
Q:Can steel wire rod be used in the production of wire mesh?
Certainly, wire mesh can be produced using steel wire rod. Steel wire rod is frequently employed as a primary ingredient for fabricating diverse wire merchandise, wire mesh included. Wire mesh is crafted by interlacing or fusing steel wires, thereby forming a mesh-like structure. Prior to its implementation in wire mesh construction, the steel wire rod commonly undergoes a process of diameter reduction and strength enhancement through a sequence of dies. Subsequently, the resulting wire mesh finds extensive usage in numerous fields, encompassing fencing, construction, agriculture, and industrial environments.
Q:What are the common sizes and dimensions of steel wire rod?
The common sizes and dimensions of steel wire rods vary depending on the specific application and industry requirements. However, some commonly used sizes range from 5.5mm to 12mm in diameter, with lengths typically between 2,000mm and 3,000mm. These dimensions are commonly used in construction, manufacturing, and automotive industries, but it's important to note that there are various other sizes available to cater to specific needs.
Q:What are the dimensions and sizes available for steel wire rod?
The dimensions and sizes available for steel wire rod vary depending on the specific requirements and standards set by manufacturers and industry specifications. These can range from diameters as small as 1.5 millimeters to larger sizes exceeding 20 millimeters. Lengths typically range from 1 meter to several meters, and there may be variations in weight per meter as well. It is always best to consult with manufacturers or refer to industry guidelines to determine the exact dimensions and sizes available for steel wire rod.
Q:What are the common applications of high-strength and oil tempered steel wire rod?
Due to its unique properties, high-strength and oil tempered steel wire rod find a wide range of applications in various industries. Some common uses include: 1. In the automotive industry, high-strength steel wire rod is utilized for suspension springs, engine valve springs, clutch springs, and seat springs due to its exceptional tensile strength and fatigue resistance. 2. The construction industry relies on steel wire rod for pre-stressed concrete structures, post-tensioning systems, and reinforcement in concrete structures. Its high strength contributes to structural stability and durability. 3. In the manufacturing industry, steel wire rod is employed in the production of wire ropes, cables, springs, and fasteners. Its strength and elasticity make it ideal for applications requiring flexibility and durability. 4. The electrical industry uses steel wire rod for the manufacturing of electrical conductors, such as overhead power lines and electrical cables. Its high conductivity and strength facilitate efficient transmission of electricity over long distances. 5. In the agriculture industry, steel wire rod is used in the manufacturing of fencing materials, barbed wires, and support structures for crops. Its strength and durability ensure effective protection and support for agricultural fields. 6. The furniture industry incorporates steel wire rod in the production of furniture items such as springs for mattresses and seating arrangements. Its ability to withstand heavy loads and provide comfort makes it a popular choice. In summary, high-strength and oil tempered steel wire rod are extensively utilized in various industries due to their exceptional strength, durability, and flexibility.
Q:What are the different types of finishes available for steel wire rod?
Steel wire rod offers a variety of finishes, each with its own purpose and unique qualities. 1. A bright finish is the most common option, achieved by removing scale or rust from the rod's surface, resulting in a smooth and shiny appearance. It is ideal for applications where aesthetics matter, such as decorative purposes or consumer-facing products. 2. Galvanized finishes involve applying a protective zinc coating to the rod's surface. This provides excellent corrosion resistance, making it suitable for outdoor environments or areas with high moisture. It also offers some level of abrasion resistance, making it suitable for certain industrial applications. 3. Phosphate finishes involve a chemical process that creates a thin phosphate coating on the rod's surface. This enhances the adhesion of lubricants or coatings, making it valuable in applications where lubrication or corrosion resistance is crucial. Industries like automotive and manufacturing commonly use phosphate finishes. 4. Coated finishes involve applying various materials to the steel wire rod to provide specific properties. For instance, epoxy coatings offer excellent corrosion resistance and are used in marine or chemical environments. Polymer coatings can provide abrasion resistance, electrical insulation, or improved adhesion properties. Coated finishes are tailored to meet specific application requirements. 5. Black oxide finishes, or blackening, convert the surface layer of the steel wire rod into a black iron oxide compound. This offers mild corrosion resistance and enhances the wire's appearance. It is commonly used in architectural or decorative products where a black or darkened finish is desired. 6. Zinc-nickel finishes combine zinc and nickel plating, offering higher corrosion resistance than traditional galvanized finishes. They find common use in industries like automotive and aerospace, where strong corrosion resistance is essential. These examples showcase the range of finishes available for steel wire rod. The choice of finish depends on the intended application and the desired properties, such as corrosion resistance, abrasion resistance, or aesthetics.
Q:What are the key success factors for companies in the steel wire rod industry?
Companies operating in the steel wire rod industry can achieve success by focusing on various key factors. To begin with, maintaining a strong emphasis on quality is essential. Steel wire rod is widely used in industries such as automotive, construction, and electrical, so it is crucial to maintain high-quality standards that meet the requirements of different applications. Additionally, companies in this industry should strive for a robust and efficient manufacturing process. This involves investing in modern equipment and technology to improve production efficiency, reduce costs, and enhance overall productivity. Continuous improvement in process optimization and waste reduction is also necessary to remain competitive. Another critical factor is establishing a well-diversified customer base. The steel wire rod market is highly competitive, and companies must have solid relationships with a diverse range of customers to ensure a steady demand for their products. Developing long-term partnerships with customers and understanding their specific needs and preferences are vital for maintaining a competitive edge. Furthermore, effective supply chain management is vital for success. Companies need to secure a stable and cost-effective supply of raw materials, such as steel billets, to ensure uninterrupted production. Additionally, maintaining good relationships with suppliers and implementing efficient logistics strategies are essential to minimize lead times and meet customer demands promptly. Moreover, a strong focus on innovation and research and development is crucial in this industry. Companies that invest in developing new products, improving existing ones, and exploring new applications for steel wire rod will gain a competitive advantage. This can involve collaborating with customers, research institutes, and industry partners to stay ahead of market trends and offer innovative solutions. Lastly, companies in the steel wire rod industry should prioritize sustainability and environmental responsibility. This includes implementing sustainable manufacturing practices, reducing carbon emissions, and minimizing waste generation. Given the growing demand for environmentally-friendly products, companies that adopt and promote sustainable practices will be better positioned for long-term success. In conclusion, key success factors for companies in the steel wire rod industry encompass quality control, efficient manufacturing processes, a diversified customer base, effective supply chain management, innovation, and sustainability. By focusing on these factors, companies can position themselves for growth and competitiveness in the market.

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