Cold Rolled Steel of China with Different Thickness and Width

Cold Rolled Steel of China with Different Thickness and Width System 1

Cold Rolled Steel of China with Different Thickness and Width

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Loading Port:: Shanghai

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

3.Cold Rolled Steel Images

Cold Rolled Steel of China with Different Thickness and Width

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

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.Which payment term we can do?

L/C at sight or T/T.

3. Where is our factory?

Near by Tianjin and Shanghai.

4. What is the mininum quantity of every order?

50 tons.

Q: How are steel coils used in the manufacturing of storage shelves?: Steel coils are used in the manufacturing of storage shelves by being cut and shaped into the desired size and design. The coils are typically processed through a roll forming machine which bends and molds the steel into the required shape for the shelves. This process allows for high efficiency and precision in creating uniform and durable storage shelves.

Q: What is the process of slitting steel coils into narrower strips?: The process of slitting steel coils into narrower strips involves unwinding the steel coil, passing it through a set of rotating circular blades called slitters, and then rewinding the resulting narrower strips onto separate spools.

Q: What are the common size limitations for steel coil production?: The size limitations for steel coil production can vary based on various factors, including the type of steel used, the manufacturing process, and the available equipment. However, there are generally accepted size limitations in the industry. One primary constraint is the width of the steel coil, which is typically determined by the size of the rolling mill or slitting equipment used in production. Standard widths for steel coil production range from approximately 600 millimeters (23.6 inches) to 2,000 millimeters (78.7 inches). Nonetheless, specialized equipment and processes can achieve widths outside of this range. Another limitation is the thickness of the steel coil, which can be influenced by the type of steel, intended application, and manufacturing capabilities. Common thicknesses for steel coils range from 0.15 millimeters (0.006 inches) to 6 millimeters (0.236 inches). However, specialized equipment and processes may be required to produce thicker or thinner coils. The weight of the steel coil is also an important consideration, typically determined by the capacity of production and handling equipment, as well as transportation limitations. Standard coil weights range from a few hundred kilograms to several tons. However, larger equipment or dividing the coil into smaller coils can enable the production of coils that exceed these limits. In addition to width, thickness, and weight, there may also be limitations on the length of the steel coil. This can be influenced by factors such as the size of the production line, handling and transportation capabilities, and customer requirements. Standard coil lengths typically range from a few meters to several tens of meters. However, specialized equipment and processes can produce longer coils. It is important to note that these size limitations are not fixed and can vary depending on project or customer requirements. Manufacturers often collaborate closely with customers to determine the optimal size limitations for their steel coil production, ensuring the final product meets desired specifications.

Q: Can steel coils be coated with self-cleaning materials?: Yes, steel coils can be coated with self-cleaning materials.

Q: How are steel coils used in the production of electrical conduits?: Steel coils are used in the production of electrical conduits in several ways. Firstly, steel coils are used as the raw material for manufacturing electrical conduits. These coils are made of high-quality steel that is specially processed and formed into a long, continuous strip. Once the steel coils are obtained, they are fed into a machine called a slitter. The slitter cuts the coils into narrower strips of the desired width. These narrower strips will serve as the base material for the electrical conduits. The next step is to shape the steel strips into the desired conduit shape. This is done by passing the strips through a series of rollers and other shaping tools. The steel strips are gradually formed into the round or rectangular shape of the conduit. The rollers apply pressure and manipulate the steel strip until it reaches the desired shape. After the shaping process, the ends of the steel strips are welded together to create a continuous conduit. This welding process ensures that the conduit will have a seamless structure, which is important for its functionality and durability. Once the conduits are formed and welded, they undergo further processing to enhance their properties. This may include processes such as galvanizing, where the conduits are coated with a layer of zinc to protect them from corrosion. This additional layer provides the conduits with increased longevity, making them suitable for various electrical applications. In summary, steel coils are essential in the production of electrical conduits. The coils serve as the raw material that is shaped, welded, and processed to create the final product. The use of steel coils ensures that the electrical conduits are strong, durable, and capable of withstanding the demands of electrical installations.

Q: What is the strongest steel ever made.: I'm a civil/structural engineer. ASTM A 416 is one of the strongest steels, with a nominal yield stress of 243,000 psi and design ultimate strength of 270,000 psi. This steel is commonly used in pre-stressing and post-tensioning of concrete structures. See the link below to one manufacturer of strands and bars made with this type of steel.

Q: Can you weld copper or brass to steel?: Copper cannot be welded to steel since copper has a significantly lower melting point than steel, and brass has an even lower melting point than copper. Therefore, traditional fusion welding processes would not work. It's possible to braze copper to steel using brass as a filler metal, but this is not usually done because of practical concerns. (For example, the melting point of zinc brass is close enough to that of copper, that it's hard to heat the joint to the melting temperature of the brass without also melting the copper.) Rather, it's common to braze copper to steel using silver-copper-zinc brazing alloys instead. These alloys have a lower working temp. than zinc brass. Copper-silver-phosphorus brazing alloys, or zinc-tin hard solder could also be used. Also, solid state welding methods can be used to join copper to steel, but this is limited to very special applications. Friction welding can be used to join copper pipes and/or shafts to steel ones. Explosion welding can be used to join a copper or brass sheet to a steel plate. Forge welding may be possible between copper and steel, but I don't know of any applications for this.

Q: What are the common methods of protecting steel coils from corrosion during storage?: There are several common methods used to protect steel coils from corrosion during storage. These methods are employed to prevent moisture and other environmental elements from coming into contact with the steel coils, which can lead to corrosion. 1. VCI (Volatile Corrosion Inhibitor) Packaging: VCI packaging is a widely used method for protecting steel coils. VCI materials are incorporated into the packaging, such as plastic bags or films, which release a vapor that forms a protective layer on the surface of the steel coils. This layer prevents moisture and other corrosive agents from reaching the steel, thus inhibiting corrosion. 2. Oil Coating: Another widely used method is to apply a thin layer of oil on the surface of the steel coils. The oil acts as a barrier, preventing moisture and oxygen from coming into contact with the steel. This method is particularly effective for long-term storage or transportation of steel coils. 3. Desiccants: Desiccants, such as silica gel packets, can be placed inside the packaging to absorb any moisture that may be present. By reducing the humidity levels inside the packaging, the risk of corrosion is minimized. This method is often used in conjunction with VCI packaging or oil coating. 4. Proper Ventilation: Adequate ventilation is necessary to prevent the accumulation of moisture around the steel coils during storage. By allowing air to circulate freely, it helps to reduce the humidity levels and prevents the formation of condensation, which can lead to corrosion. 5. Controlled Environment: Storing steel coils in a controlled environment can be an effective way to prevent corrosion. This involves maintaining a constant temperature and humidity level, which are not conducive to corrosion. Temperature and humidity control can be achieved through the use of air conditioning or dehumidification systems. It is important to note that the specific method or combination of methods used to protect steel coils will depend on various factors, such as the duration of storage, the environmental conditions, and the specific requirements of the steel coils. Regular inspections and maintenance are also crucial to ensure the ongoing protection of the steel coils from corrosion.

Q: What is the standard weight of steel coils?: The standard weight of steel coils can vary depending on the specific type and dimensions of the coil. However, a common range for steel coils is between 3 to 25 tons.

Q: I have a knife with 154cm steel on it and I always here that you should put oil on it to keep it from rusting but I am just wondering what kind of oil? And how do I apply it and do I just leave it on there?: If the knife is stainless steel, then you don't have to worry about it rusting, unless you leave it sheathed in a wet sheath. Be sure you clean it off before folding it up or re- sheathing it. For carbon steel blades, almost any good household oil will work. 3 in 1, Rem oil, etc.

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