Corrosion Resistance of Colored Stainless Steel Sheets with Different Materials

Stainless steel sheets are made through various smelting processes, resulting in different metal elements in the steel sheets. This is the main reason for the difference in corrosion resistance of different types of stainless steel sheets. In this article, let’s take a close look at the corrosion resistance of colored stainless steel sheets with different materials.

Next, we will take the commonly used 300 series stainless steel sheet as an example to compare the corrosion resistance of different materials of 300 stainless steel sheets.

Corrosion Resistance of Colored Stainless Steel Sheets with Different Materials

Nowadays, the most commonly used in production and daily life is 304-grade stainless steel sheet, which is often used in equipment and high-end machinery that require good overall performance. It should be noted that 301-grade stainless steel sheet is harder than 304-grade, so it has the characteristic of work hardening when deformed and is commonly used in high-strength applications. The 304-grade stainless steel sheet can be processed to have stronger strength through cold rolling operation, which will become the 302-grade stainless steel sheet.

302B stainless steel sheet is a stainless steel sheet with a high silicon content added to it, which has excellent resistance to high-temperature oxidation. Both 303 and 303Se are stainless steel sheets that are easy to cut and suitable for high-precision applications. These two materials contain sulfur and selenium, respectively. In particular, 303Se stainless steel sheet can also be used to make parts that require hot forging, so under these conditions, the stainless steel sheet also has good heat processing performance.

304L stainless steel sheet refers to a variety with a lower carbon content than 304 stainless steel sheet, where the ‘L’ stands for low carbon content. The lower carbon content minimizes the formation of carbides in the heat-affected zone near the welding seam, which can lead to intergranular corrosion, also known as welding corrosion, in certain environments. The nitrogen-containing stainless steel is commonly known as the 304N stainless steel sheet, which has a relatively low hardening rate and is most commonly used in various applications that require high cold-forming processing.

If the stainless steel sheet contains both nickel and chromium elements, it is stainless steel of 309, 310, 314, and 330 materials. These two elements can improve the oxidation resistance and creep strength of stainless steel materials under high-temperature conditions. However, 305S and 310S are variants of 309 and 310 stainless steel sheets, so their different materials contain relatively low carbon content, which is mainly to minimize the carbide precipitation near the weld during welding of the stainless steel sheet. The 330-material stainless steel sheet also has a particularly high resistance to carburization and thermal shock.

Nowadays, the stainless steel sheets with stronger antioxidant performance in marine and chemical industrial environments are the aluminum-containing 316 and 317 grades. The 316 grade also includes low-carbon 316L, nitrogen-enhanced high-strength 316N, and sulfur-rich easy-cutting 316F stainless steel.

High-performance 321, 347, and 348 grades of stainless steel sheets mainly contain titanium, niobium plus tantalum, and niobium stabilizing elements. These high-quality stainless steels are best suited for welding construction at high temperatures. Among them, the 348-grade stainless steel sheet is suitable for use in nuclear power industries, with certain restrictions on the content of tantalum and diamond elements.

Conclusion

Thank you for reading our article and we hope it can help you have a better understanding of the corrosion resistance of colored stainless steel sheets. If you want to learn more about the corrosion resistance of colored stainless steel sheets, we advise you to visit Sino Stainless Steel for more information.

As a leading supplier of colored stainless steel sheets across the world, Sino Stainless Steel provides customers with high-quality colored stainless steel sheets, stainless steel perforated sheets, stainless steel angle bars, cold-rolled precision stainless steel strips, stainless steel wire, sheets, and embossed stainless steel plates at an extremely competitive price.