Best Quality of Cold Rolled Steel Sheet from China

Best Quality of Cold Rolled Steel Sheet from China System 1

Best Quality of Cold Rolled Steel Sheet 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 Sheet 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:How do steel sheets handle bending or flexing?: Steel sheets are known for their excellent strength and rigidity, making them highly resistant to bending or flexing. The inherent properties of steel, such as its high tensile strength and stiffness, allow it to withstand substantial external forces without deforming. Steel sheets can handle bending or flexing to a certain extent without compromising their structural integrity, making them suitable for a wide range of applications. When steel sheets are subjected to bending or flexing forces, they undergo a process known as elastic deformation. This means that the steel will temporarily change shape under the applied load, but it will return to its original form once the load is removed. This elasticity is due to the crystalline structure of steel, which allows it to absorb and distribute the stress evenly throughout its structure. However, it is important to note that steel sheets do have a limit to their bending or flexing capabilities. Beyond a certain point, the applied load can cause the steel to undergo plastic deformation, which results in permanent changes to its shape. This can lead to the formation of cracks or fractures in the material. The maximum amount of bending or flexing that steel sheets can tolerate before experiencing plastic deformation is determined by factors such as the thickness of the sheet, the grade and type of steel used, and the specific application requirements. To enhance the flexibility of steel sheets, certain processes such as cold rolling or annealing can be employed. Cold rolling involves passing the steel sheet through rollers at ambient temperature, which not only increases its strength but also improves its ability to withstand bending or flexing forces. Annealing, on the other hand, involves heating the steel to a specific temperature and then cooling it slowly to relieve internal stresses, making it more ductile and less prone to cracking. In conclusion, steel sheets are highly capable of handling bending or flexing due to their inherent strength, rigidity, and elasticity. However, it is essential to consider the specific application requirements and the limitations of the steel sheet to ensure its performance and longevity.

Q:Are steel sheets suitable for oil rig platforms?: Yes, steel sheets are suitable for oil rig platforms. Steel is commonly used in the construction of oil rig platforms due to its strength, durability, and ability to withstand harsh offshore conditions. It provides the necessary structural integrity and resistance to corrosion, making it a reliable choice for such applications.

Q:How do you prevent galvanic corrosion when using steel sheets in contact with water?: One way to prevent galvanic corrosion when using steel sheets in contact with water is by applying a protective coating, such as paint or a corrosion-resistant polymer, on the steel surface. This barrier acts as a barrier between the steel and water, preventing direct contact and inhibiting the electrochemical reaction that causes galvanic corrosion. Additionally, using sacrificial anodes made of a more reactive metal, like zinc or aluminum, can divert the corrosive action away from the steel sheets by corroding instead. Regular inspection and maintenance of the protective coatings and sacrificial anodes are also important to ensure long-term prevention of galvanic corrosion.

Q:What is the flatness tolerance of steel sheets?: The flatness tolerance of steel sheets typically varies based on the specific grade and thickness, but it is generally specified within a range of 0.003 to 0.015 inches per linear foot for standard commercial quality sheets.

Q:What is the process of applying weather-resistant coatings to steel sheets?: The process of applying weather-resistant coatings to steel sheets typically involves several steps. First, the steel sheets are cleaned and prepared by removing any dirt, rust, or previous coatings. This can be done through methods such as grit blasting or chemical cleaning. Once the surface is clean, a primer is applied to enhance adhesion and corrosion resistance. After the primer dries, a weather-resistant coating is applied using methods like spray painting or electrostatic deposition. The coating is then allowed to dry and cure, forming a protective barrier against weather elements. Some coatings may require multiple layers or additional treatments for optimal durability.

Q:What are the color options for steel sheets?: The color options for steel sheets vary depending on the specific type of coating or finish applied. Common color options include white, black, gray, blue, green, red, and metallic shades such as silver and gold. Additionally, custom colors can be achieved through processes like powder coating or painting.

Q:Are steel sheets resistant to pests and insects?: Yes, steel sheets are generally resistant to pests and insects due to their non-porous and durable nature.

Q:What is the process of embossing on steel sheets?: Embossing on steel sheets involves the creation of raised or recessed designs on the surface. This technique is commonly used for texture enhancement, aesthetic improvement, or to enhance the mechanical properties of the steel. To begin the embossing process, the steel sheets are prepared. This involves cleaning the surface to remove any dirt, oils, or coatings that could interfere with the embossing. The sheets are then inspected for imperfections or defects that may impact the embossing quality. Once prepared, the steel sheets are placed in an embossing machine consisting of two or more rollers. These rollers have engraved patterns that will be transferred onto the steel sheets. They are typically made of hardened steel or other durable materials. As the steel sheets pass through the embossing machine, pressure is applied to the rollers, causing them to press against the steel surface. This creates a plastic deformation in the sheet, resulting in the desired raised or recessed pattern. The depth and intensity of the embossing can be adjusted by controlling the pressure applied by the rollers. In certain cases, heat may be used during the embossing process to soften the steel sheets, making them more malleable. This allows for deeper and more intricate embossing patterns. The temperature and duration of the heating process depend on the type of steel and desired outcome. After embossing, the steel sheets may undergo additional treatments such as cleaning, coating, or polishing to further enhance their appearance and protect them from corrosion. These finishing steps ensure that the embossed steel sheets meet quality standards and are ready for use. Overall, embossing on steel sheets is a versatile and effective method for adding texture and visual interest. It requires careful preparation, precise machinery, and skilled operators to achieve consistent and high-quality results.

Q:What is the process of applying anti-slip coatings to steel sheets?: The process of applying anti-slip coatings to steel sheets typically involves several steps. First, the steel sheets are thoroughly cleaned and prepared to ensure proper adhesion of the coating. This may involve removing any dirt, oil, or rust from the surface. Once the surface is clean, a primer or bonding agent is applied to enhance the adhesion of the anti-slip coating. The primer is allowed to dry or cure according to the manufacturer's instructions. Next, the anti-slip coating is applied to the steel sheets using a suitable method, such as spraying, rolling, or brushing. The coating is evenly distributed and applied in the desired thickness to ensure effective slip resistance. After the coating is applied, it is left to dry or cure according to the product specifications. This may involve air drying or using heat to accelerate the drying process. Once the coating is completely dry and cured, the steel sheets are ready for use. The anti-slip coating provides a textured surface that enhances traction and reduces the risk of slipping, making it suitable for various applications where slip resistance is crucial.

Q:What are the different types of steel sheet surface coatings for corrosion resistance?: There are several types of steel sheet surface coatings available for corrosion resistance, including galvanized coatings, zinc-rich coatings, aluminum coatings, and organic coatings such as paint or epoxy. Each coating offers unique benefits and application suitability depending on the specific requirements and environmental conditions.

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