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Stainless steel coil is a common metal material, which is processed from stainless steel sheet by cutting, hot rolling or cold rolling. Stainless steel coil has the advantages of corrosion resistance, high-temperature resistance, and aesthetics, and is widely used in the fields of construction, manufacturing, etc. According to different manufacturing processes and uses, stainless steel coil can be divided into several categories. This article will introduce several types of stainless steel coils and their applications in detail.

Types of Stainless Steel Coils and Their Applications
Types of Stainless Steel Coils and Their Applications

Types of Stainless Steel Coils

Types of Stainless Steel Coils – 1. Classification by Manufacturing Process

  1. Hot-rolled stainless steel coil
    Hot-rolled stainless steel coil refers to the material that is continuously hot-rolled and stretched by rolling rolls after the heated stainless steel billet is heated. This manufacturing process makes hot-rolled stainless steel coil have the following characteristics:
    · Coarse surface with a certain scale;
    · Good mechanical properties and high strength;
    · Lower degree of work hardening, easy to process and form. ·

Applications: Hot-rolled stainless steel coil is widely used in the fields of construction, shipbuilding, chemicals, and more.

  1. Cold-rolled stainless steel coil
    Cold-rolled stainless steel coil refers to the material that is processed and stretched by cold rolling machines at room temperature using stainless steel sheet as the raw material. Compared to hot-rolled stainless steel coil, cold-rolled stainless steel coil has the following characteristics:
    · Smooth surface without scale;
    · High dimensional accuracy and uniform thickness;
    · High degree of work hardening, with slightly lower strength.

Applications: Due to its good surface quality and high dimensional accuracy, cold-rolled stainless steel coil is widely used in the fields of electronics, appliances, automobiles, and more.

Types of Stainless Steel Coils – 2. Classification by Materials

  1. Chromium-based stainless steel coil
    Chromium-based stainless steel coil refers to the stainless steel coil with chromium as the main alloying element. According to the different chromium content, chromium-based stainless steel coil can be divided into the following types:
    · Ferrite stainless steel: Chromium content is less than 12%, which has good corrosion resistance;
    · Ferrite-austenitic mixed structure stainless steel: Chromium content is between 12%-30%, which has high strength and corrosion resistance;
    · Austenitic stainless steel: Chromium content is more than 30%, which has good corrosion resistance and high-temperature strength.

Applications: Chromium-based stainless steel coil is widely used in the fields of chemicals, offshore engineering, and more.

  1. Nickel-based stainless steel coil
    Nickel-based stainless steel coil refers to the stainless steel coil with nickel as the main alloying element. According to the different nickel content, nickel-based stainless steel coil can be divided into the following types:
    · Low-nickel stainless steel: Nickel content is between 1%-4%, which has certain corrosion resistance;
    · Medium-nickel stainless steel: Nickel content is between 4%-8%, which has good mechanical properties and corrosion resistance;
    · High-nickel stainless steel: Nickel content is above 8%, which has excellent corrosion resistance and high-temperature strength.

Applications: Nickel-based stainless steel coil is widely used in the fields of chemicals, food processing, and more.

Types of Stainless Steel Coils – 3. Classification by Surface Treatment

  1. 2B type stainless steel coil
    2B type stainless steel coil refers to the surface smooth and highly bright stainless steel coil that is obtained by cold rolling or hot rolling, followed by pickling and rinsing treatment. 2B type stainless steel coil has the following characteristics:
    · High surface finish with no obvious scale;
    · Good corrosion resistance suitable for general use.

Applications: 2B type stainless steel coil is widely used in home appliances, kitchenware, and more.

  1. BA type stainless steel coil
    BA-type stainless steel coil refers to a stainless steel coil with a smooth surface and high brightness obtained after cold rolling or hot rolling, followed by annealing and brightening treatment. BA-type stainless steel coil has the following characteristics:
    ·The surface is smooth and free of obvious oxide scale
    ·Higher smoothness and better texture;
    ·Excellent corrosion resistance

Applications: BA-type stainless steel coils are widely used in the fields of decoration, manufacturing, and so on.

Conclusion

According to factors such as manufacturing process, material, and surface treatment, stainless steel coils can be divided into multiple categories. Hot rolling and cold rolling are common manufacturing process categories; chrome-based and nickel-based are common material categories; 2B type and BA type are common surface treatment categories. Understanding these categories and their characteristics is important for correctly selecting and applying stainless steel coils. Whether in the construction, manufacturing, or other fields, selecting the appropriate stainless steel coil category can meet different needs and achieve its excellent performance.

Thank you for reading our article and we hope it can help you to have a better understanding of the types of stainless steel coils and their applications. If you want to find more information about stainless steel coils, we’d advise you to visit Sino Stainless Steel for more information.

As a leading supplier of stainless steel across the world, Sino Stainless Steel provides customers with high-quality stainless steel strips, stainless steel coils, stainless steel plates, stainless steel sheets, stainless steel bars, and stainless steel wires at a very competitive price.

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