Best Prepainted Cold Roll Steel Coil Plste JIS G 3302

Best Prepainted Cold Roll Steel Coil Plste JIS G 3302 System 1

Best Prepainted Cold Roll Steel Coil Plste JIS G 3302

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 111 m.t.

Supply Capability:: 2323 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. composition and form of products EN 754-2: Aluminium and aluminium alloys. Cold drawn rod/bar and tube. Mechanical properties ISO 6361: Wrought Aluminium and

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

and aluminium alloys. Cold drawn rod/bar and tube. Mechanical properties EN 755-2: Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles

3.Cold Rolled Steel Images

Best Prepainted Cold Roll Steel Coil Plste JIS G 3302

2.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:

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:Can steel sheets be bent without causing damage?: Provided that the bending process is carried out with caution and within the material's limits, steel sheets can be bent without sustaining any damage. Various techniques, such as press brake bending or roll bending, are commonly employed to bend steel sheets. These methods involve applying controlled force and pressure to achieve the desired shape without causing any lasting deformations. Several factors influence the ability to bend steel sheets without harm. These factors include the thickness and grade of the steel, the bending radius, and the equipment and technique employed. Thinner sheets are generally more pliable and easier to bend, while thicker sheets may necessitate greater forces and specialized equipment. To ensure that the bending process does not exceed the steel's limits, it is crucial to consider its tensile strength, yield strength, and elongation properties. Over-bending can result in cracks, fractures, or permanent deformations that compromise the sheet's structural integrity. To prevent damage during the bending process, it is vital to follow proper bending techniques and guidelines. This includes using suitable tooling, distributing force evenly, and avoiding abrupt changes in direction or excessive bending angles. Additionally, preheating the steel sheet can enhance its pliability and reduce the risk of damage. In conclusion, steel sheets can be bent without damage, but it necessitates careful consideration of the material's properties, appropriate equipment, and adherence to bending guidelines. By employing the correct techniques and precautions, steel sheets can be successfully bent into various shapes and forms while preserving their structural integrity.

Q:What is the difference between a galvanized and aluminized steel sheet?: The durability and corrosion-resistant properties of galvanized steel and aluminized steel sheets make them widely used in various industries. However, there are notable distinctions between the two. Galvanized steel sheets have a layer of zinc coating that safeguards the underlying steel from rust and corrosion. This process, called galvanization, can be accomplished by immersing the steel sheet in a bath of molten zinc or by electroplating a zinc-rich coating. The zinc layer acts as a sacrificial barrier, meaning it will corrode before the steel, providing excellent rust protection. Galvanized steel finds common usage in outdoor applications like roofing, fences, and automobile parts. In contrast, aluminized steel sheets are coated with an aluminum-silicon alloy layer. This process, known as aluminization, involves immersing the steel sheet in a bath of molten aluminum or applying a thin layer of aluminum-silicon alloy through a continuous hot-dip process. The aluminum-silicon coating offers remarkable heat resistance and corrosion resistance. Aluminized steel is commonly employed in applications where high temperatures are present, such as automotive exhaust systems, heat exchangers, and ovens. To summarize, the primary distinction between galvanized and aluminized steel sheets lies in the type of coating applied to the steel. Galvanized steel is coated with zinc, providing outstanding rust protection, while aluminized steel is coated with an aluminum-silicon alloy, offering superior heat and corrosion resistance. The choice between the two depends on the specific requirements of the application, such as the presence of high temperatures or the need for long-lasting rust protection.

Q:How do steel sheets compare to stainless steel sheets in terms of corrosion resistance?: Stainless steel sheets have superior corrosion resistance compared to steel sheets, thanks to the presence of chromium that forms a protective layer against corrosion.

Q:How are steel sheets packaged for shipping?: Steel sheets are typically packaged for shipping by being stacked on wooden pallets and secured with steel or plastic strapping. Additionally, they may be further protected by being wrapped in plastic or covered with a cardboard or wooden crate for added stability and protection during transportation.

Q:What are the different types of surface treatments available for steel sheets?: Steel sheets have a variety of surface treatments available, each with specific purposes and unique advantages. 1. Hot-dip galvanizing: To prevent corrosion, steel sheets are immersed in molten zinc, forming a protective coating. This method offers excellent durability and corrosion resistance. 2. Electro-galvanizing: A thin, uniform layer of zinc is deposited onto the steel sheets through an electrochemical process. This treatment provides good corrosion protection and is often used for decorative purposes. 3. Powder coating: Dry powder is applied onto the steel sheets and then cured with heat. This treatment offers a durable and attractive finish while protecting against corrosion, UV rays, and chemicals. 4. Paint coating: Steel sheets can be coated with different types of paints, such as epoxy, polyurethane, and polyester. Paint coatings provide aesthetic appeal and protection against corrosion and weathering. 5. Phosphating: A phosphate coating is applied to enhance corrosion resistance and improve paint adhesion. This treatment is commonly used as a pre-treatment before painting or powder coating. 6. Chromate conversion coating: A thin layer of chromate is applied to enhance corrosion resistance and improve paint adhesion. This treatment is also known as chromating or passivation. 7. Anodizing: While primarily used for aluminum, anodizing can also be applied to steel sheets. This process creates an oxide layer that improves corrosion resistance and provides a decorative finish. 8. Pickling: Steel sheets are immersed in an acidic solution to remove impurities like scale and rust. Pickling leaves the steel sheets with a clean and smooth surface, ready for subsequent treatments. In conclusion, the choice of surface treatment for steel sheets depends on the intended application, desired appearance, and required level of corrosion resistance.

Q:Can steel sheets be used for fencing and gates?: Yes, steel sheets can be used for fencing and gates. Steel sheets are a durable and strong material that can provide security and protection when used for fencing or gates. They can be customized to various sizes and designs, making them suitable for different fencing and gating needs.

Q:Definition and application of steel sheet pile: Cold rolled steel sheet pile is a steel structure formed by continuous rolling and forming of a sheet pile wall from a cold bending millNot knowing, then asked

Q:Can Q460C steel plate be used as Q235 steel plate?: The mechanical properties of the same structure require that the Q460C can reduce the thickness of the material used and reduce the weight of the structure without changing the mechanical properties, without reducing the strength of the base metal and the service life of the workpiece. Reduce the number of welded structures.High strength steel instead of ordinary low carbon structural steel is the current trend.

Q:What are the common industries that use steel sheets?: The common industries that use steel sheets include construction, automotive, manufacturing, aerospace, and shipbuilding.

Q:What are the different types of steel sheet finishes for industrial applications?: There are several different types of steel sheet finishes commonly used in industrial applications. These finishes are applied to steel sheets to enhance their appearance, protect against corrosion, improve paint adhesion, and provide other functional benefits. Some of the most common types of steel sheet finishes include: 1. Hot Rolled: This finish is achieved by passing the steel through a high-temperature furnace, followed by rapid cooling. It results in a rough, scaled surface that is suitable for applications where appearance is not a primary concern. 2. Cold Rolled: In this finish, the steel is processed at room temperature, resulting in a smooth and clean surface. Cold-rolled steel sheets are often used in applications where a high-quality surface finish is required. 3. Galvanized: Galvanizing involves coating the steel sheet with a layer of zinc to protect against corrosion. This finish is widely used in industries such as construction, automotive, and manufacturing, where durability and resistance to rust are crucial. 4. Electro-galvanized: Similar to galvanizing, electro-galvanizing also involves coating the steel with zinc. However, in this process, an electric current is used to deposit the zinc onto the steel surface, resulting in a thinner and more controlled coating. 5. Stainless Steel: Stainless steel sheets are known for their high resistance to corrosion, making them ideal for applications in harsh environments. They can be finished with a variety of surface textures, including brushed, mirror, and patterned finishes. 6. Pickled and Oiled: This finish involves removing any oxide scale from the steel surface using an acid solution, followed by applying an oil coating to prevent rust formation. Pickled and oiled steel sheets are commonly used in automotive and construction industries. 7. Painted: Steel sheets can also be finished with a layer of paint, which not only enhances their appearance but also provides additional protection against corrosion. The type of paint used can vary depending on the application and desired finish. It's important to note that these are just a few examples of steel sheet finishes used in industrial applications. Different finishes are chosen based on the specific requirements of the application, such as aesthetics, corrosion resistance, durability, and cost-effectiveness.

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