Cold Rolled Steel Coil JIS G 3302 --Low Price

Cold Rolled Steel Coil JIS G 3302 --Low Price System 1

Cold Rolled Steel Coil JIS G 3302 --Low Price System 2

Cold Rolled Steel Coil JIS G 3302 --Low Price

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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1.Structure of Cold Rolled Steel Description：

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Main Features of the Cold Rolled Steel：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3. Cold Rolled Steel Images

Cold Rolled Steel Coil JIS G 3302 --Low Price

4.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~2.0mm

Width: 1250mm MAX

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

0.150

0.476

11.231

12.50

0.900

0.039

0.010

5. FAQ of Cold Rolled Steel

1.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

Q: How are steel coils packaged for transportation?: Steel coils are typically packaged for transportation using a variety of methods to ensure their safe and secure delivery. The packaging process involves several steps to protect the coils from damage during transit and to facilitate their handling and loading onto trucks, ships, or trains. Firstly, steel coils are tightly wound and bound using steel straps or bands to keep them compact and prevent unwinding. These straps are usually made of high-strength steel and are securely fastened around the circumference of the coil at regular intervals. This helps to maintain the coil's shape and prevent any movement during transportation. Next, the coils are often placed on wooden or steel pallets to provide a stable base and facilitate handling with forklifts or cranes. The pallets are usually sized to fit the dimensions of the coils and are designed to withstand the weight and stress of the loaded coils. To provide additional protection, steel coils are often covered with a layer of protective material such as plastic or paper to shield them from moisture, dust, and other potential contaminants. This wrapping also helps to prevent scratching or damage to the outer surface of the coils. Furthermore, to secure the coils and prevent shifting during transit, they are often placed within a steel or wooden crate. These crates provide an extra layer of protection and stability, particularly for larger coils or when multiple coils are being transported together. Finally, once the coils are properly packaged, they are typically loaded onto flatbed trucks, shipping containers, or railway cars for transportation. During loading, proper care is taken to ensure that the coils are positioned securely and that weight distribution is balanced to prevent any potential damage or accidents during transit. In summary, steel coils are packaged for transportation by tightly binding them with steel straps, placing them on pallets, covering them with protective material, and, if necessary, enclosing them within crates. This packaging process helps to safeguard the coils and ensure their safe and efficient transportation to their destination.

Q: How are steel coils coated for added protection?: To enhance their durability and resistance to corrosion, steel coils undergo a process known as coil coating, wherein a protective layer is applied onto their surfaces. There are several methods employed to coat steel coils, but the most commonly used one is the continuous coil coating process. Under this process, the steel coil is unwound and extensively cleansed to eliminate any contaminants or impurities on its surface. This step ensures proper adhesion of the coating material. Once the steel coil is cleansed, it undergoes a pre-treatment to enhance its surface properties. Typically, this involves the application of a chemical solution or a conversion coating onto the coil's surface. The aim of this step is to create a surface that is receptive to the coating material and improves its adhesion. Following the pre-treatment, the steel coil is coated with a protective layer, which can be in the form of liquid paint, powder coating, or a combination of both. The coating material is applied evenly onto the coil's surface using techniques like roll coating, spray coating, or electrostatic coating. Once the coating is applied, the steel coil is cured or dried using heat or, in some cases, ultraviolet light. This curing process ensures a strong bond between the coating material and the steel surface, resulting in the desired protective properties. The coated steel coil then undergoes inspection to ensure quality control measures like thickness, adhesion, and appearance are met. If the specifications are satisfied, further processing may take place, involving cutting, slitting, or forming the coil into the desired shape or size. In conclusion, the process of coating steel coils for added protection involves thorough cleansing, pre-treatment, application of a protective coating, curing, and quality control. This ensures that the steel coils exhibit excellent resistance to corrosion, abrasion, and other environmental factors, making them suitable for a wide range of applications across various industries.

Q: What are the different types of steel coil edge conditioning methods?: There are several different types of steel coil edge conditioning methods, including slitting, cutting, shearing, and edge rolling. Slitting involves cutting the coil into narrower strips, while cutting involves separating the coil into smaller sections. Shearing is a process of cutting the edges of the coil to remove any irregularities or defects. Edge rolling is a method that involves rolling the edges of the coil to create a smoother and more uniform finish.

Q: What are the common applications of coated steel coils?: Some common applications of coated steel coils include manufacturing of automotive parts, construction materials such as roofing and siding, appliances, and electrical equipment. They are also used in the production of household goods such as furniture, shelving, and storage racks. Additionally, coated steel coils find applications in the transportation industry for manufacturing trailers, shipping containers, and railway cars due to their durability and corrosion resistance.

Q: How are steel coils used in the production of automobile frames?: Steel coils are an essential component in the production of automobile frames. These coils, made from high-quality steel, are first uncoiled and then fed into a stamping press where they are shaped into various parts of the frame. The steel coils provide the necessary strength and rigidity required to support the weight of the vehicle and ensure its structural integrity. Once the coils are stamped into the desired shape, they are often welded together to form the frame structure. This welding process helps to join the individual components securely, ensuring that the frame can withstand the forces and stresses encountered during the vehicle's operation. The use of steel coils in automobile frame production also allows for flexibility in design, as they can be easily shaped and manipulated to meet specific requirements. Furthermore, steel coils offer excellent durability and resistance to corrosion, making them ideal for automotive applications. The frames produced using these coils are strong, reliable, and able to withstand harsh conditions and road vibrations. This not only enhances the safety of the vehicle but also contributes to its longevity and overall performance. In addition to automobile frames, steel coils are also used in other critical components of the vehicle, such as suspension systems, chassis, and body panels. Their versatility, strength, and cost-effectiveness make them a preferred choice in the automotive industry. Overall, the utilization of steel coils in automobile frame production plays a significant role in ensuring the safety, durability, and performance of modern vehicles.

Q: What are the different methods of cutting edge trimming for steel coils?: There exist multiple techniques for trimming steel coils, each with unique benefits and applications. Some of the frequently employed methods are as follows: 1. Shearing: This method entails cutting the steel coil's edge using sharp blades. It is a quick and efficient technique suitable for high-volume production. However, shearing may lead to slight distortion or burrs along the cut edge. 2. Slitting: Slitting involves passing the steel coil through rotating circular blades, resulting in narrower strips. This method is commonly adopted when precise width control is necessary, such as for the production of narrow strips or coils with multiple widths. 3. Laser cutting: Laser cutting is a highly precise technique that employs a laser beam to cut through the steel coil. It offers the advantage of producing clean and precise cuts without any distortion or burrs. Laser cutting is frequently used for intricate or complex shapes that require high accuracy. 4. Plasma cutting: Plasma cutting utilizes an ionized gas jet to cut through the steel coil. It is particularly suitable for thicker materials or applications where high cutting speeds are required. Plasma cutting can generate clean and smooth cuts, although a slight bevel may be present on the edge. 5. Waterjet cutting: Waterjet cutting employs a high-pressure jet of water mixed with an abrasive substance to cut through the steel coil. This technique is highly versatile and can be used for various materials and thicknesses. Waterjet cutting is renowned for producing precise cuts without any heat-affected zone. 6. Sawing: Sawing is a traditional method that involves using a rotating saw blade to cut through the steel coil. It is commonly used for thicker materials or when a rougher cut is acceptable. Sawing can be performed manually or with the assistance of automated sawing machines. Each method possesses its own advantages and considerations, and the selection depends on factors such as required accuracy, production volume, material thickness, and desired edge quality.

Q: How are steel coils coated to prevent corrosion?: Steel coils are coated to prevent corrosion through a process called galvanization. In this process, the steel coils are submerged in a bath of molten zinc, creating a protective zinc coating on the surface. This zinc coating acts as a barrier, preventing oxygen and moisture from coming into contact with the steel, thus inhibiting corrosion.

Q: What are the common applications of galvalume steel coils?: Due to their unique properties and durability, galvalume steel coils are widely used in various applications. These coils are highly versatile and can be utilized in different industries. Some common uses of galvalume steel coils include: 1. Roofing: Galvalume steel coils are commonly employed in the construction industry for roofing purposes. The protective coating on these coils offers exceptional resistance against corrosion, making them an ideal choice for safeguarding roofs from harsh weather conditions and extending their lifespan. 2. Siding: Galvalume steel coils are also extensively used for siding applications in residential, commercial, and industrial buildings. The durability of these coils enables them to withstand external elements such as rain, wind, and sunlight without corroding or deteriorating. 3. Gutters and Downspouts: Galvalume steel coils are widely utilized in gutter and downspout systems. The corrosion-resistant properties of these coils ensure that gutters and downspouts remain functional and visually appealing for an extended period, eliminating the need for frequent replacements or repairs. 4. Appliances: Many household appliances, including refrigerators, ovens, and washing machines, incorporate galvalume steel coils. These coils' corrosion resistance and high heat reflectivity make them an excellent choice for manufacturing durable and energy-efficient appliances. 5. Automotive Industry: The automotive industry utilizes galvalume steel coils in the production of various parts such as body panels, chassis, and exhaust systems. The lightweight nature and corrosion resistance of these coils contribute to fuel efficiency and the overall durability of vehicles. 6. HVAC Systems: Heating, ventilation, and air conditioning (HVAC) systems often employ galvalume steel coils for components like ductwork and air handling units. The coils' ability to withstand high temperatures and resist corrosion ensures the longevity and efficiency of HVAC systems. 7. Agricultural Equipment: Galvalume steel coils are utilized in the manufacturing of agricultural equipment, including grain storage bins, barns, and sheds. These coils provide excellent protection against rust, ensuring that the equipment remains durable and reliable in agricultural environments. In conclusion, galvalume steel coils have a wide range of applications in various industries due to their corrosion resistance, durability, and ability to withstand harsh environmental conditions. These coils are highly sought after for their exceptional properties and are an essential component in many different sectors.

Q: What is the process of recycling steel coils?: To ensure optimal utilization of material and minimize waste, several steps are undertaken in the recycling of steel coils. To begin, steel coils are gathered from a variety of sources, including industrial manufacturing facilities, construction sites, and scrap yards. These coils are then transported to a recycling facility where their quality is thoroughly assessed and the appropriate recycling method is determined. Following this, the steel coils are cleansed to eliminate any contaminants such as dirt, oil, or paint. This cleansing process may involve the use of chemical agents or mechanical procedures, depending on the extent of contamination. The cleansing of the coils is crucial in maintaining the quality of the recycled steel. After the cleansing process, the coils are either shredded or sheared into smaller pieces for easier processing. This step helps to increase the surface area, making it simpler to separate the steel from any other materials that may be present within the coils. Once the coils have been broken down into smaller pieces, they undergo magnetic separation. This entails passing the steel pieces through a magnetic separator that utilizes powerful magnets to attract and separate the ferrous steel from non-ferrous materials like aluminum or plastic. This separation is vital in ensuring the purity of the recycled steel. The separated steel pieces are then subjected to extremely high temperatures in a furnace, causing them to melt. This melting process not only eliminates any remaining impurities but also allows the steel to be shaped into various forms and molds, depending on its intended use. Following the melting process, the molten steel is poured into molds or cast into ingots to solidify. These ingots can be further processed and transformed into new steel products or used as raw material in different industries. Throughout the recycling process, the steel coils are subjected to quality control measures to guarantee that the resulting recycled steel meets the necessary specifications and standards. This includes conducting chemical analyses and mechanical tests to verify the strength, composition, and overall quality of the recycled steel. In conclusion, the recycling of steel coils involves the collection, cleansing, shredding, separation, melting, and molding of the steel to produce new products or raw material. This process not only conserves valuable resources but also reduces the environmental impact associated with traditional steel production.

Q: Can steel coils be used in outdoor applications?: Yes, steel coils can be used in outdoor applications. Steel is known for its durability and resistance to harsh environmental conditions, making it suitable for outdoor use. Additionally, steel coils are often coated or treated to further enhance their corrosion resistance, making them well-suited for various outdoor applications such as construction, automotive, and manufacturing industries.

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