Best Quality of Cold Rolled Steel Coil from China

Best Quality of Cold Rolled Steel Coil from China System 1

Best Quality of Cold Rolled Steel Coil from China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 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. 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

Best Quality of Cold Rolled Steel Coil from 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: What is the thickness range for steel sheets?: The thickness range for steel sheets can vary depending on the specific type and grade of steel, but it typically ranges from 0.4 millimeters to 6 millimeters or more.

Q: What are the different jointing methods for steel sheets?: Steel sheets can be joined using various methods, depending on specific requirements and applications. Common jointing methods for steel sheets include welding, bolting, riveting, adhesive bonding, and mechanical fasteners. Welding is widely used, involving melting the steel sheet edges and joining them by applying heat and pressure. Different welding techniques, like arc welding, gas welding, or laser welding, can be used depending on the steel sheet thickness and type. Bolting involves using bolts and nuts to join steel sheets together. This method is suitable for easily disassembling or replacing joints and can be used for both permanent and temporary connections. Riveting is another method, using rivets to join steel sheets. Rivets are cylindrical metal pins inserted through holes in the sheets and deformed to secure the joint. Riveting is ideal for applications requiring high shear strength. Adhesive bonding uses specialized adhesives to join steel sheets. This method provides a strong and durable joint, suitable when welding or other mechanical jointing methods are not suitable. Adhesive bonding also distributes stress more uniformly across the joint. Mechanical fasteners, like clips, clamps, or brackets, can be used to join steel sheets. These fasteners offer a secure and reliable connection without requiring welding or other permanent jointing methods. They are commonly used when ease of assembly and disassembly is necessary. In conclusion, the choice of jointing method for steel sheets depends on factors such as the application, desired strength and durability, and ease of assembly and disassembly. Careful consideration of these factors is essential to ensure a successful and reliable connection.

Q: How are steel sheets protected during storage in humid environments?: Steel sheets are typically protected during storage in humid environments through a process known as corrosion prevention. This involves implementing various measures to minimize the exposure of the steel sheets to moisture and humidity, which are the primary factors that contribute to corrosion. One common method is the application of a protective coating on the steel sheets. This coating acts as a barrier between the steel and the surrounding moisture, preventing direct contact and minimizing the risk of corrosion. There are different types of coatings available, such as paint, oil, or a specialized corrosion-resistant coating, depending on the specific requirements and conditions of the storage environment. In addition to protective coatings, steel sheets can also be stored in a controlled environment with regulated temperature and humidity levels. This helps to minimize the amount of moisture in the air surrounding the steel sheets, reducing the likelihood of corrosion. This controlled environment may be achieved through the use of dehumidifiers or climate-controlled storage facilities. Furthermore, proper handling and packaging of the steel sheets can also play a crucial role in protecting them during storage in humid environments. The sheets should be stored in a way that allows for adequate airflow and ventilation to minimize the accumulation of moisture. They should also be packaged in materials that provide an additional layer of protection against moisture, such as plastic wraps or moisture-resistant packaging materials. Regular inspection and maintenance are also important to ensure the ongoing protection of steel sheets during storage in humid environments. This includes checking for any signs of corrosion or damage and promptly addressing them to prevent further deterioration. Overall, a combination of protective coatings, controlled storage environments, proper handling, and regular maintenance are essential in safeguarding steel sheets from the effects of humidity and moisture during storage.

Q: What are the different types of steel sheet finishes for automotive applications?: Automotive applications commonly utilize various types of steel sheet finishes. These finishes are applied to the surface of the steel sheet for the purpose of enhancing its appearance, durability, and resistance to corrosion. The mill finish, for instance, is a natural finish that the steel sheet attains after undergoing hot or cold rolling. It possesses a dull gray appearance and is typically employed in applications where aesthetics are not of paramount importance. On the other hand, the galvanized finish is a favored choice, whereby a layer of zinc is coated onto the steel sheet to safeguard it against corrosion. This finish exhibits exceptional resistance to corrosion and is frequently utilized in automotive body panels and structural components. Another option is the painted finish, which involves coating the steel sheet with a layer of paint. This finish improves both the aesthetics and corrosion protection of the steel sheet. Painted finishes are available in a variety of colors and textures, offering customization and branding possibilities. Furthermore, specialized finishes, such as the electro-galvanized finish, are also available. This finish involves the application of a thin layer of zinc to the steel sheet through an electroplating process. It provides enhanced corrosion resistance and is commonly employed in automotive parts that necessitate a high level of rust protection. Lastly, the brushed or polished finish entails mechanical polishing of the steel sheet surface to create a smooth and reflective appearance. This finish is often used for decorative purposes in automotive applications, like trim or accents. In conclusion, the range of steel sheet finishes for automotive applications includes mill finish, galvanized finish, painted finish, electro-galvanized finish, and brushed/polished finish. Each finish offers distinct advantages in terms of appearance, durability, and corrosion resistance, enabling manufacturers to select the most suitable option for their specific automotive application.

Q: How are steel sheets used in construction?: Steel sheets are commonly used in construction for various purposes such as roofing, wall cladding, and structural support. They provide strength, durability, and resistance to harsh weather conditions. Steel sheets can be formed into different shapes and sizes, making them versatile for a wide range of construction applications.

Q: Can steel sheets be used for manufacturing electrical enclosures?: Yes, steel sheets can be used for manufacturing electrical enclosures. Steel is a commonly used material for constructing electrical enclosures due to its durability, strength, and ability to provide necessary protection for electrical components. The use of steel sheets ensures that the enclosure is sturdy and can withstand various environmental conditions. Additionally, steel offers good electromagnetic shielding properties, which can help protect sensitive electronic equipment from interference. Steel sheets are also fire-resistant, making them suitable for manufacturing enclosures that need to meet safety regulations. Overall, steel sheets are a reliable choice for manufacturing electrical enclosures due to their characteristics and suitability for the purpose.

Q: Can steel sheets be used for food processing applications?: Yes, steel sheets can be used for food processing applications. Stainless steel sheets are commonly used in the food industry due to their corrosion resistance, durability, and hygienic properties. They can be used for various applications such as food preparation surfaces, countertops, storage containers, and equipment components.

Q: What is the thickness tolerance for steel sheets?: The thickness of steel sheets can differ depending on the grade of steel and the way they are made. Usually, the standard in the industry for steel sheet thickness tolerance is around ±0.005 inches (0.13 mm). Nevertheless, it is crucial to consider that various applications and industries might have their own specific tolerance needs. Thus, it is vital to refer to the applicable standards and specifications for the particular steel sheet in use to ascertain the suitable thickness tolerance. Moreover, certain manufacturers may provide stricter tolerances as per customer requirements or for specialized purposes.

Q: Can steel sheets be used in marine applications?: Yes, steel sheets can be used in marine applications. Steel is a popular material choice for marine applications due to its high strength and durability. It can withstand the harsh conditions of saltwater and is resistant to corrosion. Steel sheets are often used in the construction of ships, offshore platforms, and other marine structures. They provide structural integrity and can be easily fabricated to meet specific design requirements. Additionally, steel sheets can be coated with protective layers, such as anti-corrosion paints or galvanization, to further enhance their resistance to corrosion in saltwater environments. Overall, steel sheets are a reliable and commonly used material in various marine applications.

Q: Can steel sheets be recycled after their useful life?: Yes, steel sheets can be recycled after their useful life. Steel is one of the most commonly recycled materials in the world, and the recycling process for steel sheets involves melting them down to create new steel products. This not only helps conserve natural resources but also reduces waste and the environmental impact of steel production.

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