Cold Rolled Steel Coil--Best Quality in China

Cold Rolled Steel Coil--Best Quality in China System 1

Cold Rolled Steel Coil--Best Quality in China System 2

Cold Rolled Steel Coil--Best Quality in China

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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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Cold Rolled Steel Coil--Best Quality in China

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--Best Quality in China

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: Are steel coils used in the packaging industry?: Yes, steel coils are commonly used in the packaging industry for various purposes such as securing and stabilizing loads, protecting products during transportation, and providing structural support to packaging materials.

Q: How are steel coils used in the manufacturing of automotive frames?: Steel coils are used in the manufacturing of automotive frames by being processed into flat sheets, which are then cut and formed into the desired shape and size to create the frame components. These components are then welded together to form the strong and durable structure of the automotive frame.

Q: What are the different surface treatments available for steel coils?: There are various surface treatments available for steel coils, including galvanizing, painting, powder coating, and zinc coating. These treatments help protect the steel from corrosion and improve its durability and appearance.

Q: A roll of 1 meters wide color steel roll about how many tons?: Generally speaking, it will be about 4 tons, the export may be larger, but 10 tons of papers have not yet seen

Q: How are steel coils used in the production of construction components?: Steel coils are used in the production of construction components by being processed into various shapes and sizes, such as beams, columns, and plates. The coils are unwound and then cut, bent, or shaped to meet the specific requirements of the construction project. Additionally, the high strength and durability of steel make it a preferred material for construction, ensuring the components can withstand heavy loads and harsh environmental conditions.

Q: How can I owe a Pre-engineered Steel Building?: You just have to do small efforts for owing a steel building: Firstly you have to finalize a steel building company for construction work. After finalizing the steel building company, the next step is the paperwork - the agreements and contracts. Some steel building companies may also ask for a verbal approval for the factories to get the work started.

Q: How are steel coils used in the production of storage systems?: Steel coils are used in the production of storage systems as they are transformed into various components such as beams, columns, and shelves. These components are then assembled to create the framework and structure of the storage systems, providing strength, stability, and durability to store items efficiently.

Q: What is the process of uncoiling a steel coil?: The process of uncoiling a steel coil involves feeding the coil into a machine called a decoiler. The decoiler holds the coil and gradually unrolls it, allowing the steel to be straightened and fed into downstream manufacturing processes. This is typically done by using a combination of motorized rollers and tension control systems to ensure a controlled and smooth uncoiling process.

Q: can u use stainless steel to make a coin? why or why not? answers based on facts plz.: Stainless steel has been used by some countries to make coins, but it's not an ideal metal. When a coin is struck, a die comes down and strikes the blank with many tons of force (the blank is also sitting on top of another die--one has the image on the obverse (front) of the coin, while the other die has the image of the reverse of the coin). When the die strikes the blank, the force causes the metal in the blank to flow into the recesses of the die. The problem with stainless steel is that it doesn't want to flow into the die. To get an image, either the relief (how high the raised portion of the design will be) has to be very low, and the coin has to have a simple design, or they have to greatly increase the pressure of the strike. This slows the coining press down, and greatly shortens the life of the dies.

Q: What are the different methods of forming steel coils into sheets?: There are several methods of forming steel coils into sheets, each with its own advantages and applications. 1. Hot rolling: This is the most common method used to form steel coils into sheets. In this process, the steel is heated above its recrystallization temperature and then passed through a series of rollers. The rollers apply pressure to the heated steel, reducing its thickness and elongating it into a sheet. Hot rolling produces sheets with a smooth surface finish and is suitable for a wide range of applications. 2. Cold rolling: This method involves passing the steel coil through rollers at room temperature. Unlike hot rolling, cold rolling does not require heating the steel. The cold rolling process results in sheets with a higher dimensional accuracy and a smoother surface finish. Cold-rolled sheets are often used in applications where precise dimensions and a polished appearance are required, such as automotive body panels and appliances. 3. Annealing and pickling: This method involves subjecting the steel coil to a heat treatment process called annealing, followed by pickling. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to relieve stress and improve the material's mechanical properties. Pickling is the process of removing impurities and scale from the steel surface. These steps are typically performed before hot or cold rolling to ensure a high-quality end product. 4. Galvanizing: Galvanizing is a process that involves coating steel sheets with a layer of zinc to provide corrosion resistance. The steel coil is first cleaned and then immersed in a bath of molten zinc. The zinc adheres to the surface of the steel, forming a protective layer that prevents rust and corrosion. Galvanized sheets are commonly used in construction, automotive manufacturing, and electrical appliances. 5. Electro-galvanizing: This method is similar to galvanizing, but instead of immersing the steel coil in a bath of molten zinc, an electric current is used to deposit zinc onto the surface of the steel. Electro-galvanizing offers similar corrosion resistance to traditional galvanizing but with a thinner coating. It is often used in applications where a thinner, more lightweight sheet is desired. In summary, the different methods of forming steel coils into sheets include hot rolling, cold rolling, annealing and pickling, galvanizing, and electro-galvanizing. Each method has its own advantages and is suitable for different applications based on the required surface finish, dimensional accuracy, and corrosion resistance.

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