Cold Rolled Steel Coil with Best Quality of China

Cold Rolled Steel Coil with Best Quality of China System 1

Cold Rolled Steel Coil with Best Quality of China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 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 Coil with Best 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

5.FAQ of Cold Rolled Steel

We have organized several common questions for our clients，may help you sincerely：

1.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.

2. 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.

3. How long can we receive the product after purchase?

4Which payment term we can do?

L/C at sight or T/T.

5. Where is our factory?

Near by Tianjin and Shanghai.

6. What is the mininum quantity of every order?

50 tons.

Q: I need to identify a metal. It is rusty so I suspect it is either iron or steel. Since they both have similar densities and are magnetic, how do I tell the difference betweeen steel and iron?: Iron is a natural ore. Google: Iron ore, click on Mineral Information Institute - Iron Ore. Steel is a man-made material, consisting of iron. Google: Sir Henry Bessemer, inventor.

Q: What are the different methods of shearing steel coils?: There exist various approaches to shearing steel coils, each with its own unique pros and cons. Some of the most prevalent methods include: 1. Guillotine Shearing: This technique involves the use of a guillotine-like machine that vertically moves a blade to slice through the steel coil. Guillotine shearing provides high efficiency and accuracy, making it suitable for large-scale industrial production. However, it can lead to deformation or burrs on the cut edges. 2. Rotary Shearing: In rotary shearing, a set of rotating blades is employed to cut through the steel coil. This method enables continuous cutting, making it ideal for high-speed production lines. It ensures a clean and precise cut, but necessitates regular maintenance and blade sharpening. 3. Slitting: Slitting entails passing the steel coil through circular blades that create multiple parallel cuts. This method is commonly used to produce narrower strips from wider coils. It offers great precision and the ability to generate multiple strips simultaneously. However, slitting may result in edge burrs or camber on the strips. 4. Laser Cutting: Laser cutting utilizes a high-powered laser beam to melt or vaporize the steel coil along a predetermined path. This method offers exceptional precision and can cut intricate shapes or patterns. It is commonly employed for specialized applications where accuracy is crucial, although it can be relatively costly. 5. Waterjet Cutting: Waterjet cutting employs a high-pressure stream of water mixed with abrasive particles to cut through the steel coil. This method is versatile and can handle various materials and thicknesses. It is especially useful for cutting heat-sensitive materials or for applications requiring minimal distortion. 6. Plasma Cutting: Plasma cutting involves ionizing a gas to create a plasma arc that melts and blows away the steel coil. This method is fast and efficient, making it suitable for cutting thick steel coils. However, it may produce a wider heat-affected zone compared to other methods. 7. Electrical Discharge Machining (EDM): EDM employs electrical discharges to erode the steel coil and achieve the desired shape. This method is commonly used for intricate or delicate cutting tasks that demand high precision. It is particularly effective for hard materials. Each method of shearing steel coils possesses its own set of advantages and limitations, and the choice depends on factors such as the required precision, speed, material thickness, and the desired end-product.

Q: I bought a stainless steel water bottle today. I really like it, but there is no drinking spout, it just has a lid that screws on and off, and an open hole to fill it and drink out of. Is this normal for these bottles? Or do they usually come with a spout to drink from? I don't want to look like an idiot at the gym drinking from this cool bottle with no spout if there's supposed to be one! haha.: That's normal. I'm sure there are caps that you can get that have a built in spout though.

Q: I wanted to get a cheapo ring and I found one I like, but it's stainless steel. Is that bad? Will it get dull and tarnished fast?: a lot of people that do a lot of manual labor with their hands prefer stainless steel because it can withstand potential damage on the job.

Q: How are steel coils used in the production of automotive stampings?: Steel coils are used in the production of automotive stampings as they provide a continuous and uniform supply of raw material. These coils are fed into stamping machines where they are cut, shaped, and formed into various automotive components such as body panels, chassis parts, and structural reinforcements. The use of steel coils ensures efficient and consistent production, resulting in high-quality automotive stampings that meet industry standards for strength, durability, and precision.

Q: How are steel coils annealed to improve their properties?: Steel coils are annealed by heating them to a specific temperature and then slowly cooling them, which allows for the recrystallization of the steel. This process helps to relieve internal stresses, improve the material's ductility, and enhance its overall mechanical properties.

Q: What are the different types of steel coils?: There are several different types of steel coils, including hot rolled coils, cold rolled coils, galvanized coils, and stainless steel coils.

Q: How are steel coils used in the manufacturing of heat shields?: Steel coils are used in the manufacturing of heat shields as they provide a durable and heat-resistant material to create the shield. The coils are typically cut and shaped into the desired form, allowing for precise customization and efficient production. The steel's high melting point and strength make it ideal for shielding against intense heat, ensuring the protection of surrounding components or structures.

Q: What are the common maintenance practices for steel coils?: Common maintenance practices for steel coils include regularly inspecting for any signs of corrosion, cleaning the coils to remove dirt and debris, applying protective coatings or paint to prevent rust, storing the coils in a dry and well-ventilated area, and ensuring proper handling and transportation to avoid any damage. Additionally, it is important to monitor and control the humidity levels around the coils to prevent moisture buildup, which can lead to corrosion.

Q: What are the common transportation defects in steel coils?: Common transportation defects in steel coils may include edge damage, surface scratches, deformation, and coil slippage. These defects can occur due to mishandling during loading, unloading, or transit, leading to potential quality issues and compromised structural integrity of the steel coils.

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