Best Cold Rolled Steel Coil JIS G 3302 Walls Steel Coil ASTM 615-009

Best Cold Rolled Steel Coil JIS G 3302 Walls Steel Coil ASTM 615-009 System 1

Best Cold Rolled Steel Coil JIS G 3302 Walls Steel Coil ASTM 615-009

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 33 kg/m²

Supply Capability:: 11 kg/m²/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. it has a lower melting point than steel and good castability properties.^[1] Certain compositions of cast iron, while retaining the economies of melting and casting, can be heat treated after casting to make malleable iron or ductile iron objects. Steel is also distinguishable from wrought iron (now largely obsolete), which may contain a small amount of carbon but large amounts of slag.

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

Best Cold Rolled Steel Coil JIS G 3302 Walls Steel Coil ASTM 615-009

4.Cold Rolled Steel Specification

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

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

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

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.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.

3. 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 strips stored to prevent contamination?: Steel strips are typically stored in a controlled environment to prevent contamination. First and foremost, they are stored in a clean and dry area to minimize the risk of moisture and dust accumulation. This is important because moisture can cause corrosion, while dust particles can lead to surface imperfections. To further prevent contamination, steel strips are often wrapped in protective materials such as plastic or paper. These coverings act as a barrier, shielding the strips from direct contact with the surrounding environment. They also ensure that the steel remains free from any potential contaminants that may be present in the storage area. In addition to proper wrapping, steel strips may also be stored on racks or pallets to elevate them off the ground. This helps to prevent contact with any dirt or debris that may be on the floor, reducing the risk of contamination. Regular inspections and maintenance are also crucial in preventing contamination. Storage facilities should perform routine checks to ensure that the environment remains clean and free from any potential contaminants. Any signs of corrosion, moisture, or other contamination should be addressed immediately to prevent further damage to the steel strips. Overall, by implementing proper storage practices, such as maintaining a clean and dry environment, using protective coverings, elevating the strips off the ground, and conducting regular inspections, steel strips can be effectively stored to prevent contamination and maintain their quality.

Q:What is the difference between strip steel and silicon steel?: The sheet material rolled with silicon steel is the most widely used soft magnetic material in the field of electrical engineering. Therefore, silicon steel sheet is also called electrical steel sheet. Silicon steel sheets are widely used in motors, generators, transformers, chokes, electromagnetic devices, relays and measuring instruments. Influence of silicon content on properties of silicon steel sheet. Silicon is a good deoxidizer for steel. It combines with oxygen to convert oxygen into a stable, non carbon reduced SiO2, avoiding lattice distortion of iron by doping oxygen atoms. Silicon becomes a solid solution in alpha iron, increasing resistivity and helping to separate harmful impurities from carbon.

Q:How are steel strips joined together in applications?: Steel strips can be joined together in various ways, including welding, riveting, adhesive bonding, and mechanical fasteners. Welding is the most commonly used method. It involves melting the edges of the strips and fusing them to create a strong bond. Different welding techniques, such as arc welding, resistance welding, or laser welding, can be used depending on the application requirements. Riveting is another popular method. It involves inserting a metal rivet through drilled holes in the strips and deforming the end of the rivet to secure the strips together. This method provides a reliable and secure connection that can withstand high loads and vibrations. Adhesive bonding is a flexible and versatile method. It involves applying a specially formulated adhesive or bonding agent between the strips and allowing it to cure. The adhesive forms a strong bond that evenly distributes the load, providing excellent strength and durability. Adhesive bonding is particularly suitable for joining thin and lightweight steel strips or achieving a seamless appearance. Mechanical fasteners, such as screws, bolts, or nuts, can also be used to join steel strips. These fasteners offer a convenient and removable connection, making them suitable for applications requiring disassembly or reassembly. Ultimately, the choice of joining method depends on factors such as application requirements, strip type and thickness, expected load and stress conditions, as well as cost and time considerations.

Q:How are steel strips processed for surface finishing?: Steel strips are processed for surface finishing through a series of steps to achieve the desired outcome. The process typically begins with cleaning the steel strips to remove any dirt, grease, or other contaminants that may be present on the surface. This can be done through various methods such as chemical cleaning, mechanical scrubbing, or high-pressure water cleaning. After the cleaning process, the steel strips may undergo additional treatments such as pickling or descaling. Pickling involves immersing the strips in an acid solution to remove any scale or oxides from the surface. Descaling, on the other hand, is a mechanical process that uses abrasive materials or brushes to remove the surface impurities. Once the cleaning and descaling processes are complete, the steel strips may be treated with various coatings or finishes to enhance their appearance, protect against corrosion, or improve their functional properties. Common surface finishing techniques include galvanizing, electroplating, powder coating, or painting. Galvanizing involves immersing the steel strips in a bath of molten zinc, creating a protective zinc coating on the surface. Electroplating, on the other hand, uses an electrolytic process to deposit a thin layer of metal, such as chrome or nickel, onto the steel surface. Powder coating involves applying a dry powder to the steel strips and then baking them to create a durable and attractive finish. Painting, on the other hand, involves applying a liquid paint or coating to the surface, which is then cured through heat or chemical reactions. Overall, the surface finishing process for steel strips involves a combination of cleaning, descaling, and applying various coatings or finishes to achieve the desired appearance, protection, or functionality. Each step is essential in ensuring the quality and durability of the finished steel strips.

Q:How are steel strips processed for surface welding?: Steel strips are processed for surface welding through a series of steps to ensure a clean and smooth welding surface. Firstly, the steel strips are cleaned thoroughly to remove any dirt, grease, or rust using solvents or degreasers. This step is crucial as any contaminants on the surface can negatively impact the quality of the weld. After cleaning, the steel strips may undergo a process called pickling, where they are immersed in an acid solution to remove any scale or oxides formed during the manufacturing process. Pickling helps to create a chemically clean surface, free from impurities, which is essential for achieving a strong and durable weld. Following pickling, the steel strips are often subjected to surface grinding or sandblasting. Surface grinding involves removing a thin layer of the metal's surface to create a smooth and even finish. Sandblasting, on the other hand, utilizes high-pressure air or steam to propel abrasive particles onto the steel strips, effectively removing any remaining contaminants and providing a textured surface that promotes better adhesion for the welding process. Once the steel strips have been thoroughly cleaned and prepared, they are ready for surface welding. This can be done using various welding techniques, such as MIG (Metal Inert Gas) or TIG (Tungsten Inert Gas) welding. These methods involve creating an electric arc between the steel strips and a consumable electrode, which melts and fuses the metal together. The welding process requires careful control of heat, speed, and pressure to ensure a strong and uniform bond. In conclusion, the processing of steel strips for surface welding involves cleaning, pickling, and surface preparation steps to remove contaminants, promote adhesion, and create an ideal surface for welding. This ensures that the resulting weld is of high quality, with excellent strength and durability.

Q:What is the ductility of a steel strip?: The ability of a steel strip to stretch or deform without fracturing is known as its ductility. It quantifies the ease with which the steel strip can be molded or bent into various configurations, like coiling it into a spiral or shaping it into complex forms. Ductility is a crucial attribute for steel strips as it facilitates their manipulation in diverse manufacturing procedures. Steel strips with exceptional ductility offer increased versatility and find applications across a broad spectrum of industries, including automotive, construction, and manufacturing.

Q:How are steel strips processed for roll forming?: In order to achieve the desired shape and dimensions, steel strips undergo a series of steps for roll forming. The process begins by uncoiling a large coil of steel strip, which is then fed into a roll forming machine. The steel strip is gradually shaped into the desired profile as it passes through a series of rollers. These rollers are meticulously designed to create specific bends, curves, and angles in the strip. The number and arrangement of the rollers can vary depending on the complexity of the desired shape. To ensure accurate and consistent shaping, the steel strip is carefully guided and supported as it goes through the rollers. Guide rolls, side rolls, and idler rolls are employed to maintain the strip's position and prevent any wrinkling or twisting during the process. To further enhance the shaping process, some roll forming machines may incorporate additional techniques such as pre-notching or pre-punching. These techniques involve making small cuts or holes in the strip prior to entering the rollers, facilitating easier bending and forming. Once the steel strip has been fully shaped, it is then cut to the desired length. This can be done either during the roll forming process itself or as a separate step afterwards. Various cutting methods, including shearing, sawing, or punching, can be utilized depending on the specific requirements of the final product. Following the cutting stage, the formed steel strips may undergo additional processes such as hole punching, embossing, or adding surface finishes. These processes serve to enhance the functionality or aesthetic appeal of the final product. Overall, the roll forming process for steel strips involves precise shaping, meticulous support, and accurate cutting to produce a wide range of profiles and shapes. This versatile manufacturing technique is extensively utilized in industries such as construction, automotive, and appliances to manufacture components and structures that possess high strength and durability.

Q:Can steel strips be used for making agricultural equipment?: Yes, steel strips can be used for making agricultural equipment. Steel is a versatile and durable material that can provide strength and stability to agricultural machinery and tools, making them suitable for various farming operations.

Q:Can steel strips be used in the manufacturing of medical devices?: Indeed, medical devices can make use of steel strips during the manufacturing process. The utilization of steel strips in the production of different medical devices is frequent due to their robustness, resilience, and capability to endure sterilization procedures. Surgical instruments, orthopedic implants, and cardiovascular devices are frequently constructed using these strips. By providing the essential stability and support needed for these devices, steel strips guarantee their effectiveness and durability. Moreover, medical device manufacturers favor steel strips as they can be effortlessly molded and shaped to meet precise design criteria, making them an adaptable material option.

Q:Can steel strips be used in the production of agricultural machinery?: Yes, steel strips can be used in the production of agricultural machinery. Steel strips are often utilized for various components such as frame structures, blades, cutting edges, and other parts that require high strength and durability. They provide excellent resistance to wear, corrosion, and impact, making them suitable for heavy-duty applications in the agricultural sector.

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