Cold Rolled Steel Coil with First Class Quality and Best Qaulity

Cold Rolled Steel Coil with First Class Quality and Best Qaulity System 1

Cold Rolled Steel Coil with First Class Quality and Best Qaulity

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 20000 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 First Class Quality and Best Qaulity

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: i found a similar question asking what metals were in stainless steel but i don't know if they are the same.... they probably aren't.: steel is iron with a little bit of carbon mixed in. how much carbon determines the hardness of the steel. stainless steel is the same mostly, it has nickle and chromium added in to make it corrosion resistant.

Q: where to buy Transformer steel?Used in transformers and electric motors.: Here okorder

Q: What are the challenges in coil slitting for thin gauge materials?: Coil slitting for thin gauge materials comes with its own set of challenges that need to be addressed for a successful operation. One major challenge is the handling and stability of the thin gauge material. The thinner the material, the more prone it is to deformation, wrinkling, or even tearing during the slitting process. This requires careful attention to the handling equipment and techniques to ensure proper tension and support throughout the slitting operation. Another challenge is maintaining consistent and precise slitting widths. Thin gauge materials are often used in applications where accuracy is crucial, such as in electronic components or automotive parts. Any variation in slitting width can lead to functional defects or assembly problems. Achieving precise slitting widths in thin gauge materials requires high-quality slitting knives, well-maintained slitting machinery, and accurate tension control systems. Additionally, thin gauge materials are more susceptible to surface defects, such as scratches or burrs, during the slitting process. These defects can affect the material's appearance, performance, or even its safety. Proper selection of slitting knives and regular maintenance of the slitting machinery are essential to minimize the occurrence of surface defects. Furthermore, thin gauge materials often have a higher yield strength, meaning they are more resistant to deformation. This poses a challenge when it comes to achieving clean and straight edges during the slitting process. Special considerations need to be taken to ensure that the slitting knives are sharp and properly aligned to achieve clean cuts without introducing any edge defects. Lastly, thin gauge materials are generally more sensitive to external factors such as temperature, humidity, or static electricity. These factors can affect the material's dimensional stability, leading to variations in slitting width or other quality issues. Consequently, it is important to establish suitable environmental conditions and implement proper anti-static measures to minimize the impact of these factors. In summary, the challenges in coil slitting for thin gauge materials revolve around handling and stability, maintaining precise slitting widths, minimizing surface defects, achieving clean and straight edges, and mitigating the impact of external factors. Overcoming these challenges requires a combination of appropriate equipment, techniques, and operational controls to ensure high-quality slitting results.

Q: What are the common defects in steel coil surface finishes?: Scratches, pits, rust, oil stains, and uneven coating are all common defects that can be found on the surface finishes of steel coils. Scratches are typically caused by mishandling or transportation and can significantly impact both the appearance and performance of the coil. Pits, on the other hand, are small depressions that can be attributed to various factors such as impurities in the steel or incorrect processing techniques. Rust occurs when the coil is exposed to moisture or corrosive environments, and this can compromise the structural integrity of the material. If the coil is not adequately cleaned before or after processing, oil stains may appear, leaving unattractive marks on the surface. Lastly, uneven coating can arise during the application of protective coatings or paints, resulting in varying levels of protection and aesthetics across different areas of the coil. It is crucial to address these defects to ensure the steel coil's quality and durability in its intended applications.

Q: What are the different methods of welding steel coils?: There are several methods of welding steel coils, including MIG (Metal Inert Gas) welding, TIG (Tungsten Inert Gas) welding, and resistance welding. MIG welding uses a consumable electrode wire and an inert gas as a shielding medium to create an arc and join the coils. TIG welding, on the other hand, uses a non-consumable tungsten electrode and a separate filler material to create the weld. Resistance welding involves applying pressure and passing an electric current through the coils to create a weld. Each method has its advantages and is chosen based on factors such as the type and thickness of the steel, desired quality, and production requirements.

Q: I need to know how you rate the hardness of steel any ideas?: There's an instrument called a hardness tester. It has a stylus which is pressed into the surface of a sample of steel with a calibrated amount of force. The distance it penetrates tells you how hard the steel is. (This is sometimes called 'indentation hardness'). The most common scale is the Rockwell Scale. Actually it gets a little complicated because there are several scales, one for tungsten carbide (the hardest man-made material), one for aluminum and brass and soft steels, and one for hardened steels. Another scale for indentation hardness is the Brinell scale. It's a little less complicated, with one scale to measure the hardness of wood, plastic, etc. as well as steel.

Q: What is the role of steel coils in the production of storage tanks?: Steel coils are used in the production of storage tanks as they provide the necessary material for constructing the tank's outer shell. These coils are shaped and welded together to form the tank's cylindrical structure, ensuring its strength, durability, and ability to withstand the pressure and weight of the stored materials.

Q: What materials are used to make steel coils?: Steel coils consist primarily of steel, an alloy primarily composed of iron and carbon. The choice of steel type for coil production depends on the desired properties and applications. Carbon steel is typically the preferred option due to its strength, durability, and versatility. Additional alloying elements, like manganese, silicon, nickel, or chromium, may be incorporated to enhance specific steel characteristics or properties. To produce steel coils, the raw materials are melted, the molten steel is refined, and specialized equipment and processes are employed to shape it into coils.

Q: I'm putting a bathroom in my basement. I'm an Ironworker btw. I wanted to go with steel studs due to the fact that they are light, and I won't have a big mess. I live in the Chicago area and they should be easy to find. Here is my question. Are they not being used anymore? I ordered 100 studs from Lowe's but they didn't have track. The delivery guy was a retired Carpenter and he told me that I got all the studs they had, they no longer stock steel studs, and they don't have track. Am I missing something? Menards didn't have track either.: Steel studs are mainly for commercial applications on non bearing walls. 100 studs, must be one big assed bathroom. Do yourself a favor and install a pressure treated bottom plate, even if you use steel studs.

Q: How are steel coils used in the manufacturing of appliances?: Steel coils are used in the manufacturing of appliances as a primary material for constructing the appliance's body or frame. The coils are shaped and molded to form the necessary components, providing strength, durability, and stability to the appliance.

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