Cold-rolled sheet

Cold-rolled steel coil is a widely used metal product in various industries. Here is an introduction to its material, specifications, chemical composition, and properties:                                                                                                                  Material:

Cold-rolled steel coils are mainly made of low-carbon steel. The steel is processed through cold rolling, which gives it a smooth surface finish and improved mechanical properties. The material is known for its strength, formability, and weldability.                                                                                                                                                                                                                                                                                                                                                                 Specifications:

 - Thickness: Cold-rolled steel coils are available in a wide range of thicknesses, typically from 0.1 mm to 3.0 mm. The thickness is selected based on the specific application requirements.

- Width: The width of cold-rolled steel coils can vary from a few hundred millimeters to over two meters. Common widths include 1000 mm, 1250 mm, and 1500 mm.

- Length: The length of the coils can be customized according to customer needs. It can range from a few meters to several kilometers.

 Chemical Composition:

The chemical composition of cold-rolled steel coils mainly includes iron (Fe) and carbon (C). The carbon content is relatively low, usually less than 0.25%. In addition, there may be small amounts of other elements such as manganese (Mn), silicon (Si), phosphorus (P), and sulfur (S). These elements are carefully controlled to achieve the desired mechanical properties and corrosion resistance.

 Properties:

 - Mechanical Properties:

- Strength: Cold-rolled steel coils have high strength and can withstand significant loads. The tensile strength and yield strength depend on the specific grade and processing conditions.

- Ductility: The material has good ductility, allowing it to be formed into various shapes without cracking. This property is important for applications such as stamping and deep drawing.

- Hardness: Cold-rolled steel can be hardened through heat treatment or cold working to increase its hardness and wear resistance.

- Surface Finish: The cold rolling process gives the steel coil a smooth and uniform surface finish. This is beneficial for applications that require a high-quality appearance or for further processing such as painting or plating.

- Corrosion Resistance: Depending on the chemical composition and surface treatment, cold-rolled steel coils can have varying degrees of corrosion resistance. Some grades may be coated with zinc or other protective layers to enhance their corrosion resistance.

- Weldability: Cold-rolled steel is generally weldable using common welding methods such as arc welding, gas welding, and resistance welding. However, proper welding procedures and consumables should be selected to ensure good weld quality.

 In conclusion, cold-rolled steel coils offer a combination of strength, formability, and surface finish, making them suitable for a wide range of applications in industries such as automotive, construction, appliance manufacturing, and metalworking.

QUALITY INSPECTION

We have won many stable customers with our excellent quality and good service. The company's products are subject to third-party testing. We hope you can become one of our good customers. Please feel free to contact us.

PACKING AND SHIPPING

In order for the products to arrive safely, we choose sturdy sea-resistant packaging or according to your needs. Professional and sturdy packaging to protect plates, coils, profiles, bars, pipes, wire rods etc. to the greatest extent and avoid bumps and scratches during transportation.

CUSTOMER FEEDBACK

We can provide one-stop services, including transportation, customs clearance and insurance, so that you can handle logistics matters more easily.

                                                                                                                                                                                          Products that are being sold at low prices                                                                                    We will deal with a batch of extruded inventory at ultra-low prices from time to time. The products we deal with include steel pipes, steel plates, round bars, steel bars, steel coils, profiles, rails, wires, etc. Our purpose in dealing with inventory at low prices is to quickly monetize the goods for our daily expenses of steel production. Low-priced products are given priority to regular customers. If you are interested in low-priced steel, please contact us quickly.