Difference between hot rolled stainless steel plate and cold rolled stainless steel plate

Up to now, there are still many customers who can’t distinguish between cold rolled stainless steel sheet and hot rolled plate. Generally speaking, the surface of cold-rolled stainless steel plate is bright, smooth and beautiful; the surface of hot-rolled stainless steel plate belongs to industrial surface, rough surface, and has a touch.

What is hot rolled stainless steel plate?

Hot rolled stainless steel plate is relative to cold rolling, cold rolling is rolling below recrystallization temperature, and hot rolling is rolling above recrystallization temperature.

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Its characteristics are as follows:

  • 1. The toughness and surface smoothness are poor and the price is low;
  • 2. The temperature of hot rolling is close to that of forging;
  • 3. The hot plate is processed by hot rolling, and there is oxide scale on the surface and the thickness of the plate is lower;
  • 4. Because of its production technology, it is more used in civil areas, such as kitchen utensils, general household appliances, etc;
  • 5. The mechanical properties of hot-rolled stainless steel plate are far less than those of cold working and forging, but they have better toughness and ductility.

What is cold rolled stainless steel plate?

The cold-rolled stainless steel plate is processed and rolled on the basis of hot-rolled stainless steel coil. Generally speaking, it is a process of hot-rolled → pickling → cold rolling. Although in the process of processing because of rolling will also make stainless steel plate heating, still called cold rolling. Due to the continuous cold deformation of hot rolling, the mechanical properties are poor and the hardness is too high. Must be annealed to restore its mechanical properties, no annealing called rolling hard coil. Hard roll rolling is generally used to make products without bending and stretching.

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Its characteristics are as follows:

  • 1. Cold rolled stainless steel sheet has low toughness and high price due to work hardening to a certain extent;
  • 2. The surface of cold rolling has no oxide skin, and the quality is good;
  • 3. The products made by cold deformation have high dimensional accuracy and good surface quality;
  • 4. Cold rolling is widely used in all walks of life due to its production process, such as various cold stamping parts, cold extruded profiles, cold coil spring, cold drawn wire rod, cold heading bolt, etc.

Source: China Stainless Steel Plate Manufacturer – Yaang Pipe Industry (www.steeljrv.com)

(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)

If you want to have more information about the article or you want to share your opinion with us, contact us at sales@steeljrv.com

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