Cold Rolled Steel Coil &Galvanized steel sheet

Cold Rolled Steel Coil &Galvanized steel sheet

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Technique:Cold Rolled

Product Description

Cold Rolled steel sheets have good processability, with good flatness and excellent surface, are available with different thickness and width combinations; are mainly used to manufacture the high value-added products in automotive and appliance, beverage packaging, electronic, electrcial moor and building etc. The CR steel sheet include the oncoated steel steel , galvanzied steel sheet, tin plate and TFS, precoated steel sheet and electrical steel , etc.

Uncoated CR steel sheet
With the features of in line with the international highest standards in demension and shape, excellent surface finish and properties, the products are mainly used in home appliance and automobile industries.

Galvanized steel sheet(include HDG and EG)
With the features of good corrosion resistance, the products are mainly used in automobile, home appliance, electronics, building and machinery manufacture industries, etc.

Precoated steel sheet
With the features of enviromental protection and good processablility, long lasting surface durability, rich in colors, the products are maily used in building, home appliance and furniture industries, etc.

Electrical steel sheet
Mainly used to manufacture generating equipment, locomotive, industrial motor and home appliance

Q:Are steel sheets resistant to electromagnetic interference?: Yes, steel sheets are generally resistant to electromagnetic interference due to their high electrical conductivity and ability to act as a shield against electromagnetic waves.

Q:Can steel sheets be bent or folded?: Steel sheets have the capability of being bent or folded. Being an extremely flexible material, steel can be molded into diverse shapes and structures. Notably, its malleability is a prime factor contributing to its extensive application in construction, manufacturing, and various industries. To achieve the desired outcome, steel sheets can be bent or folded through multiple techniques including press braking, roll bending, or by utilizing specialized tools such as bending machines. In this process, force or pressure is applied to the steel sheet, resulting in deformation and the acquisition of the intended form.

Q:How do steel sheets perform under heavy loads?: Steel sheets perform exceptionally well under heavy loads due to their high strength and rigidity. They have a high load-bearing capacity and minimal deflection, making them ideal for applications requiring structural support and resistance to deformation.

Q:How are steel sheets protected against corrosion?: Steel sheets are protected against corrosion through various methods such as applying a protective coating like zinc or paint, using galvanization, or employing techniques like electroplating or hot-dip galvanizing. These protective measures create a barrier between the steel and the corrosive elements in the environment, preventing rust and corrosion from occurring.

Q:What is the average lifespan of steel sheets used for roofing?: The lifespan of steel sheets used for roofing can vary based on several factors. Nevertheless, high-quality steel roofing sheets are designed to be extremely durable and long-lasting. On average, these steel sheets can endure for 40 to 70 years or potentially even longer if properly maintained and cared for. The longevity of steel roofing sheets can be influenced by factors such as the steel type and thickness, the coating or finish quality, the climate and weather conditions in the area, and the level of maintenance. Conducting regular inspections, cleaning, and repairs as necessary can help extend the lifespan of the steel sheets and ensure their good condition for many years. It is always advisable to seek guidance from roofing professionals or manufacturers for specific guidelines and recommendations regarding the lifespan of steel sheets used for roofing in a particular context.

Q:What are the potential drawbacks of using steel sheets?: There are several potential drawbacks of using steel sheets in various applications. Firstly, steel sheets are prone to corrosion. If not properly protected or coated, steel sheets can rust when exposed to moisture or certain environmental conditions. This can significantly affect their structural integrity and lifespan. Secondly, steel sheets can be heavy and difficult to handle. This can pose challenges during transportation, installation, and maintenance. The weight of steel sheets may also limit their use in certain applications where weight restrictions are in place. Additionally, steel sheets can be expensive compared to other materials. The cost of steel production, processing, and customization can be higher than alternative materials, making steel sheets less financially viable in some projects. Another potential drawback of steel sheets is their limited design flexibility. Steel sheets are often manufactured in standard sizes and shapes, which may not always meet specific design requirements. Modifying steel sheets can be time-consuming and costly, limiting their adaptability for unique or complex projects. Moreover, steel sheets have a relatively high thermal conductivity. This means that they can transfer heat quickly, making them less effective in providing insulation. In applications where thermal insulation is crucial, alternative materials may be more suitable. Lastly, steel sheets are not environmentally friendly. The production of steel involves significant energy consumption and carbon emissions. Additionally, the extraction and mining of raw materials used in steel production can have detrimental effects on the environment. Overall, while steel sheets have numerous advantages such as strength and durability, it is important to consider these potential drawbacks when choosing the appropriate material for a specific application.

Q:What are the environmental impacts associated with steel sheet production?: The environmental impacts associated with steel sheet production include the extraction and processing of raw materials, such as iron ore and coal, which contribute to deforestation, habitat destruction, and air and water pollution. The production process also emits greenhouse gases, including carbon dioxide and methane, contributing to climate change. Additionally, the disposal of waste materials generated during production can contaminate soil and water sources.

Q:What is the typical lifespan of painted steel sheets?: The typical lifespan of painted steel sheets can vary depending on various factors such as the quality of the paint, the environment in which they are exposed, and the maintenance provided. However, on average, painted steel sheets can last anywhere from 20 to 30 years before they may require repainting or replacement.

Q:Can steel sheets be used for water storage tanks?: Yes, steel sheets can be used for water storage tanks. Steel is a durable and strong material that is commonly used in the construction of water storage tanks. It is resistant to corrosion and can withstand harsh weather conditions, making it an ideal choice for long-term water storage.

Q:What is the electrical resistivity of steel sheets?: The electrical resistivity of steel sheets typically ranges from 10^-6 to 10^-7 ohm-meters.

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