Which type of stainless steel is particularly resistant to chloride-induced corrosion?

Type 316 stainless steel is particularly resistant to chloride-induced corrosion due to its enhanced alloy composition, which includes a higher percentage of nickel and molybdenum compared to other stainless steels. The presence of molybdenum is critical; it significantly improves the steel's resistance to pitting and crevice corrosion, which are common issues in environments where chloride ions are present, such as marine or saltwater applications. This makes Type 316 a preferred choice for many applications exposed to harsh environments, offering better durability and performance.

In contrast, the other types of stainless steel listed do not provide the same level of resistance to chloride-induced corrosion. For example, Type 304, while commonly used, is more susceptible to corrosion when exposed to chlorides. Type 430 is a ferritic stainless steel with limited corrosion resistance, making it less suitable for chloride environments. Type 201, which has a lower nickel content and relies more on manganese, also does not provide the same corrosion resistance as Type 316. Therefore, Type 316 stands out as the best choice for applications requiring enhanced resistance to chloride-induced corrosion.