What structure is 409 stainless steel?
What structure is 409 stainless steel?
409 stainless steel is classified as a ferritic stainless steel. Ferritic stainless steels are primarily composed of iron and chromium and are known for their good corrosion resistance and formability. Types such as 405, 409, 410S, 430, 442, and 446 are all part of this family, making option D the correct answer.
A family of ferritic stainless steels including Types 405, 409, 410S, 430, 442, and 446.