Cold Rolled Steel of High Quality of China

Cold Rolled Steel of High Quality of China System 1

Cold Rolled Steel of High Quality of China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 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 High Quality of China

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 inspected for surface defects after processing?: Steel coils are inspected for surface defects after processing using various methods such as visual inspection, magnetic particle inspection, dye penetrant inspection, and ultrasonic testing. These techniques help identify any irregularities or defects on the surface of the coils, ensuring the quality and integrity of the final product.

Q:How do steel coils contribute to energy efficiency in transportation?: Steel coils are essential in energy-efficient transportation due to their lightweight yet strong nature. The use of steel coils in vehicles, such as cars and trucks, reduces the overall weight of the vehicle, enhancing fuel efficiency and reducing carbon emissions. Additionally, steel coils are often used in rail transportation, where their durability and strength contribute to the energy efficiency of trains by allowing for higher speeds and improved load carrying capacity.

Q:What are the different methods of joining steel coils?: There are several methods of joining steel coils, including welding, mechanical fastening, adhesives, and interlocking systems. Welding involves fusing the ends of the coils together using heat or pressure. Mechanical fastening includes using bolts, screws, or other fasteners to hold the coils together. Adhesives can be used to bond the coils, providing a strong and durable connection. Interlocking systems involve designing the coils with special shapes or profiles that fit together, creating a secure joint.

Q:How are steel coils processed and shaped into different products?: Steel coils are processed and shaped into different products through a series of manufacturing processes. The first step in the process is called uncoiling, which involves unwinding the steel coil and straightening it. This is usually done by feeding the coil through a machine called a decoiler. Once the coil is uncoiled, it goes through a process called leveling. This is done to eliminate any unevenness or warping in the steel. The coil is passed through a set of rollers that apply pressure and flatten the steel to the desired thickness. This ensures that the steel is uniform and ready for further processing. After leveling, the steel is typically cut into smaller pieces or sheets. This is done using machines such as shears or slitters, which can cut the steel into different widths or lengths. The precise dimensions will depend on the requirements of the specific product being manufactured. Once the steel is cut, it can undergo additional shaping processes. One common method is called roll forming, where the steel is passed through a series of rollers that gradually shape it into the desired profile. This is often used to produce products such as roofing sheets, wall panels, or beams. Another common shaping process is called stamping. In stamping, the steel is pressed between a die and a punch to create complex shapes or patterns. This is commonly used in the automotive industry to produce components such as car body panels or engine parts. In addition to shaping, the steel may also undergo surface treatments or coatings to enhance its properties or improve its appearance. This can include processes such as galvanizing, where a layer of zinc is applied to protect the steel from corrosion, or painting to provide a decorative finish. Overall, the process of shaping steel coils into different products involves a combination of cutting, shaping, and surface treatments. These processes are carefully executed to ensure that the steel meets the required specifications and is ready for use in various industries.

Q:How are steel coils classified based on their thickness?: Steel coils are classified based on their thickness into different categories such as light gauge, medium gauge, and heavy gauge.

Q:Can steel coils be used in outdoor applications?: Yes, steel coils can be used in outdoor applications. Steel is known for its durability and resistance to harsh environmental conditions, making it suitable for outdoor use. Additionally, steel coils are often coated or treated to further enhance their corrosion resistance, making them well-suited for various outdoor applications such as construction, automotive, and manufacturing industries.

Q:How do steel coil manufacturers handle customer complaints?: Steel coil manufacturers handle customer complaints by first listening to the customer's concerns and understanding the nature of the complaint. They then investigate the issue thoroughly, often by inspecting the product or reviewing production records. Once the cause of the complaint is determined, they take appropriate actions such as offering replacements, refunds, or repairs. They prioritize open communication with the customer, ensuring that their concerns are addressed promptly and professionally. Additionally, manufacturers may use customer feedback to improve their processes and prevent similar issues in the future.

Q:doesnt steel rust?: Iron mixed with other metals:

Q:i am working in a firm that deals with steels.. so it is necessary for me to understand the chemistry of the steels from their names so that i need not memorize all the grades with their metallury.. where can i find information about this nomenclature ? please help: For steels with a four number code like 1020, 4140 ect the first two digits are the alloying information. I think you need to memorise those. 10 steels are plain carbon steel with no alloying. 41 steels are chrome-molly. The third and forth digits are the carbon content. 1020 is 0.2% Carbon, 4140 is 0.4% carbon. I don't know if there is a system to stainless steels.

Q:i want to know if i should buy a set of acrylic tapers or steel. they r close in cost so it's not a money factor i want to know which work better and if there is a downside to either. thanks!: Steel is better. Acrylic is porous so isn't as suitable for piercing jewellery as steel. Steel can also slide through easier for some people, acrylic isn't quite as smooth. For tapers it doesn't make a huge deal of difference as they're only passing through your ear briefly, not being worn as jewellery, but if they're close in cost anyway then go for the steel. And the plugs you insert after putting the taper through should always be steel, titanium or glass until your stretch has healed.

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