Cold Rolled Steel of Every Size and Good Quality

Cold Rolled Steel of Every Size and Good Quality System 1

Cold Rolled Steel of Every Size and Good Quality

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 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 of Every Size and Good Quality

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 coils used in the manufacturing of tools and equipment?: Steel coils are used in the manufacturing of tools and equipment as they serve as the primary raw material for many applications. The coils are first processed to the desired thickness and then cut into different shapes and sizes to create various components. These components are then further processed, machined, or assembled to form the final tools and equipment. Steel coils provide the necessary strength, durability, and versatility required in the manufacturing process, making them an essential element in producing high-quality tools and equipment.

Q: How are steel coils used in the manufacturing of construction scaffolding?: Steel coils are used in the manufacturing of construction scaffolding as they provide the necessary strength and durability required for the structures. These coils are generally processed and shaped into various components, such as pipes, tubes, and frames, which form the main structure of the scaffolding. The high tensile strength of steel coils ensures that the scaffolding can support heavy loads and provide a safe working platform for workers at construction sites.

Q: How are steel coils used in the manufacturing of transportation equipment?: Steel coils are used in the manufacturing of transportation equipment as they provide a durable and strong foundation for various components such as chassis, frames, and body panels. These coils are typically processed and shaped into specific forms to meet the design requirements of automobiles, ships, trains, and aircraft. The high tensile strength and ability to withstand heavy loads make steel coils an essential material in the transportation industry, ensuring the safety and reliability of the vehicles and equipment.

Q: What is galvanized steel coil?: Galvanized steel coil, a type of steel, receives a layer of zinc coating to safeguard it against corrosion. The galvanization process entails immersing the steel coil in molten zinc, creating a protective layer on its surface. This layer not only prevents corrosion but also acts as a shield against scratches and other forms of damage. Due to its durability and rust resistance, galvanized steel coil finds widespread usage in industries such as construction, automotive, and manufacturing. It is commonly employed in the production of roofing materials, pipes, and automotive components, among other applications. In summary, galvanized steel coil offers a versatile and cost-effective solution for preserving the longevity and integrity of steel products.

Q: What are the common methods of cutting steel coils?: The common methods of cutting steel coils include shearing, slitting, and laser cutting. Shearing involves using a machine with two blades to cut through the coil. Slitting involves passing the coil through a set of rotating circular blades to create narrower strips. Laser cutting uses a high-powered laser beam to cut through the steel coil with precision.

Q: How would you calculate the maximum plastic deformation (expansion) a steel pipe can handle before it actually fails?: You can calculate the maximum reversible strain, for elastic loading as follows: You need to look up the yield strength (for that particular type of steel). Divide this yield strength by the elastic modulus of steel (also called Young's modulus). That gives you the strain at the onset of yielding, the maximum you can strain the steel fibers before crossing the point of no return. If you are interested in the strain until failure, you need to take tensile test measurements. Seldom do people document an equation to model the non-elastic portion of the stress-strain curve of the specimen, because seldom do we design systems to operate with materials which yield. We want systems which only deform reversibly and elastically. This means you need to perform an experiment to find what you are actually desiring to know.

Q: i have a computer chair where the metal part that attachs the top part to the bottom with wheels has cracked around half of the assembly. my dad said it might be able to be repaired with jb weld. can jb weld fix it? how strong is jb weld? is it as strong as steel?: ...

Q: How are steel coils used in automotive manufacturing?: Steel coils are used in automotive manufacturing to produce various components and parts such as body panels, chassis, doors, and other structural parts. The coils are processed through different techniques like cutting, stamping, and welding to shape them into the desired form. This allows for the production of strong and durable automotive parts, ensuring the safety and reliability of vehicles.

Q: What is the role of steel coils in the production of appliances?: The role of steel coils in the production of appliances is to provide a strong and durable material for the construction of various components and structures. Steel coils are commonly used to manufacture appliance parts such as panels, frames, cabinets, and internal components. The high strength and versatility of steel make it ideal for withstanding the stress and demands of everyday appliance use. Additionally, steel coils can be shaped, molded, and welded to create customized designs and configurations, ensuring the appliances are both functional and aesthetically pleasing.

Q: What are the challenges in coil leveling for high-strength steel?: Achieving optimal results in coil leveling for high-strength steel involves addressing several challenges. The steel's inherent hardness and strength present one of the main obstacles. High-strength steel is designed with enhanced mechanical properties, including tensile strength and hardness, making it difficult to deform and shape. To overcome the steel's high-strength nature, specialized leveling equipment is needed. This equipment must exert sufficient force to counter the steel's resistance to deformation. This may involve using stronger and more durable leveling rollers or increasing the pressure applied during the leveling process. Failing to apply the appropriate force can result in incomplete leveling, leading to residual stress and dimensional inaccuracies in the final product. Another challenge in coil leveling for high-strength steel is the potential for springback. Springback refers to the material's tendency to return to its original shape after being deformed. High-strength steel is especially prone to springback due to its higher elastic modulus. This can result in uneven leveling and dimensional variations in the coil. To mitigate springback, advanced leveling techniques can be utilized. These techniques include overbending and pre-bending the steel. Overbending involves bending the steel beyond the desired level, allowing it to spring back to the desired shape. Pre-bending, on the other hand, involves intentionally bending the steel in the opposite direction before leveling it, counteracting the effects of springback. These techniques require precise control and expertise to ensure accurate leveling. Additionally, high-strength steel often has a more pronounced yield point. The yield point is the stress level at which permanent deformation occurs. This can make it challenging to achieve consistent and uniform leveling throughout the coil. Proper adjustment of the leveling equipment and careful monitoring of the leveling process are necessary to effectively address this challenge. Furthermore, high-strength steel coils are often thinner and more sensitive to surface imperfections. Careful regulation of the leveling process is crucial to avoid causing damage to the steel surface, such as scratches or indentations. This may involve using softer leveling rollers or implementing protective measures, such as cushioning materials or coatings, to prevent surface defects. In summary, the challenges in coil leveling for high-strength steel revolve around its inherent hardness, springback tendencies, yield point behavior, and sensitivity to surface imperfections. Overcoming these challenges requires specialized equipment, advanced leveling techniques, precise control, and expertise to ensure accurate and high-quality leveling results.

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