Cold Rolled Steel Coil with Prime Quality and Best Selling

Cold Rolled Steel Coil with Prime Quality and Best Selling System 1

Cold Rolled Steel Coil with Prime Quality and Best Selling

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 200 m.t.

Supply Capability:: 5000 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.

The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile 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.

2.Main Features of the Cold Rolled Steel：

• Good formability

• Good visual effect

• Excellent process capability

• Smooth and flat surface

• Workability, durability

3.Cold Rolled Steel Images

Cold Rolled Steel Coil with Prime Quality and Best Selling

4.Cold Rolled Steel Specification

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

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

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

Grade: Q195~Q345

Chemical composition:

0.15

0.47

11.23

12.5

0.90

0.038

0.01

5.FAQ of Cold Rolled Steel

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

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.

Q: I am using mild steel wire (very thin and bendable) for an art project, and would like to know if using a soldering torch is effective enough to get the job done. Or do I have to use a butane torch to heat the metal?BTW, is it better to use soft or hard solder?: Soldering to steel is difficult. An electric iron may be enough depends on power. The steel must be clean. An abrasive like fine steel wool,fine sandpaper or even a rubber pencil eraser will work. Next an acid flux for the solder. Most electronic solder flux is not active enough for steel. Plumbers solder usually is. Plumbers solder is Lead free and has a slightly higher melting temp.

Q: How are steel coils used in the production of marine vessels?: Due to their strength, durability, and versatility, steel coils find extensive use in the production of marine vessels. These coils, typically made of high-quality steel, possess the ability to withstand harsh marine environments and resist corrosion. The construction of the hull is one of the primary applications of steel coils in marine vessel production. Welding together steel coils that have been formed into plates creates the hull structure. The coils' strength ensures that the hull can endure the extreme forces and pressures encountered during vessel operation, including rough seas and heavy cargo loads. Furthermore, steel coils are employed in the production of various components and fittings within marine vessels. These coils can be shaped, cut, and formed into different parts like bulkheads, decks, and superstructures. The versatility of steel enables manufacturers to create intricate shapes and structures necessary for the efficient and safe functioning of a marine vessel. Moreover, steel coils are also used for fabricating pipes and tubing systems within marine vessels. These pipes are crucial for tasks such as fluid and fuel transportation, as well as ventilation throughout the vessel. The strength and corrosion resistance of steel coils ensure that these pipes can endure the high pressures and corrosive nature of marine environments. Additionally, steel coils are utilized in the production of marine vessel equipment like winches, cranes, and anchor systems. The components demand a material with high strength that can withstand heavy loads and constant use. Steel coils provide the necessary strength and durability to ensure the reliable performance of these vital equipment. In conclusion, steel coils play a crucial role in the production of marine vessels. Their strength, durability, and versatility make them an ideal material for constructing the hull, manufacturing various components, fabricating piping systems, and creating equipment. The use of steel coils guarantees the safety, efficiency, and longevity of marine vessels, enabling them to navigate the challenging conditions of the open seas.

Q: What is the lifespan of coated steel coils?: The lifespan of coated steel coils can vary depending on various factors such as the type and quality of the coating, the environmental conditions it is exposed to, and the maintenance and care provided. Generally, high-quality coated steel coils can have a lifespan of 25 to 50 years or even more. However, it is important to note that this is just an estimate and the actual lifespan may vary. Regular inspections, proper installation, and timely maintenance can significantly extend the lifespan of coated steel coils. Additionally, factors such as exposure to harsh weather conditions, corrosive environments, and improper handling can potentially shorten the lifespan. It is recommended to consult with manufacturers or industry experts to determine the most suitable coating and expected lifespan for specific applications.

Q: What are the different types of steel coil slitting methods?: There are three main types of steel coil slitting methods: rotary slitting, loop slitting, and pull-through slitting. Rotary slitting involves using circular knives to cut the coil into narrower strips. Loop slitting involves passing the coil through a loop that is formed between two sets of knives, which then cuts the coil into multiple strips. Pull-through slitting involves pulling the coil through an adjustable slitting head, where the knives cut the coil into desired widths.

Q: How are steel coils used in the production of HVAC ducts?: HVAC duct production relies heavily on steel coils, which are vital for their construction. These coils, typically composed of galvanized steel, possess the qualities of strength, durability, and corrosion resistance. To create the necessary flat sheets, the steel coils undergo an initial unwinding and flattening process. These sheets are then cut into specific sizes and shapes in accordance with the design and dimensions of the HVAC ducts. Additionally, the steel coils are subjected to various machines, such as shearing, slitting, and roll forming machines, to achieve the desired shapes and sizes for the ducts. Once transformed into the appropriate shapes, the steel coils are further processed to add additional features to the ducts. This can include bending, folding, or welding processes to create bends, angles, or connections in the ductwork. These processes allow for customization, ensuring that the ducts perfectly fit the specific requirements of the HVAC system and the building structure. Moreover, steel coils play a crucial role in maintaining the strength and integrity of HVAC ducts. The galvanized steel used in the coils provides a protective layer that prevents rust and corrosion, resulting in more durable and long-lasting ducts. This is particularly significant as HVAC ducts are regularly exposed to various environmental factors such as moisture, temperature changes, and airborne contaminants. In summary, steel coils are an essential and fundamental component in the production of HVAC ducts. They not only provide the necessary strength, durability, and corrosion resistance but also offer flexibility and customization in the manufacturing process.

Q: Can steel coils be customized?: Yes, steel coils can be customized to meet specific size, shape, and material requirements of various industries. Customization can include altering the dimensions, thickness, or even the coating of the steel coils to suit specific applications.

Q: Can steel coils be used in the production of construction machinery?: Yes, steel coils can be used in the production of construction machinery. Steel coils are often used as raw materials for manufacturing various components of construction machinery, such as frames, supports, and structural parts. The strength, durability, and resistance to corrosion of steel make it an ideal material for construction machinery, ensuring the longevity and reliability of the equipment.

Q: What are the different methods of coil flattening for steel coils?: There are several methods of coil flattening for steel coils, each with its own advantages and limitations. Some of the most commonly used methods include: 1. Roller leveling: This method involves passing the steel coil through a series of rollers that apply pressure to flatten the coil. The rollers can be adjustable to achieve the desired level of flatness. Roller leveling is a versatile method that can handle a wide range of coil sizes and thicknesses. 2. Precision leveling: This method utilizes a more sophisticated leveling machine that applies pressure on specific areas of the coil to eliminate any waviness or defects. Precision leveling is often used for high-quality steel coils that require extremely flat surfaces. 3. Stretch leveling: Also known as tension leveling, this method involves stretching the steel coil beyond its yield point, causing it to permanently deform and flatten. Stretch leveling is commonly used for thinner gauge coils and can effectively remove coil set and crossbow defects. 4. Temper rolling: This method involves subjecting the steel coil to a controlled low-temperature heat treatment followed by cold rolling. The combination of heat and cold rolling helps to relieve internal stresses and improve flatness. Temper rolling is particularly suitable for coils that require enhanced surface quality. 5. Laser flattening: This advanced method utilizes laser technology to selectively heat and flatten specific areas of the coil. Laser flattening is highly precise and can correct localized defects or unevenness, but it is typically used for smaller coils due to its higher cost. It is important to note that the selection of the most appropriate method for coil flattening depends on various factors, including the desired flatness requirements, coil dimensions, material properties, and production budget.

Q: What is the current value of steel? Is it expected to increase in value?: The steel in steel cents is the same as the steel in soup cans you throw out all the time. There is no sense in holding steel cents for their value as scrap. There are way too many steel cents around for them to ever have much numismatic value.

Q: what is the porpose of preheating mild steel prior to welding: :you could attempt welding with whats pronounced as a filler rod. you could weld with the a million/8 rod interior the welder stinger and by conserving the a million/sixteen rod in the different hand, upload it as you weld.

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