There are significant differences between 2205 stainless steel and 316 stainless steel in many aspects. Chemical composition: 2205 stainless steel is a duplex stainless steel composed of approximately

There are significant differences between 2205 stainless steel and 316 stainless steel in many aspects.

Chemical composition: 2205 stainless steel is a duplex stainless steel composed of approximately 22% chromium, 5-6% nickel, 3% molybdenum and a small amount of nitrogen, which makes it excellent in corrosion resistance. 316 stainless steel is an austenitic stainless steel with chromium, nickel and molybdenum contents of 16-18%, 10-14% and 2-3% respectively. It can be seen that the chromium, nickel and molybdenum content in 2205 stainless steel is higher, which further enhances its corrosion resistance.

Performance characteristics: 2205 stainless steel has excellent corrosion resistance, especially in chloride environments, and its stress corrosion resistance is particularly outstanding. In addition, its strength and plasticity are also better than 316 stainless steel, so 2205 stainless steel is a better choice where high strength and wear resistance are required. Although 316 stainless steel also has good corrosion resistance, its stress corrosion resistance in chlorine-containing environments is slightly inferior to that of 2205 stainless steel.

In general, 2205 stainless steel and 316 stainless steel are different in chemical composition and performance characteristics. Which material to choose depends on the specific use environment and requirements.