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Ferritic steel is a type of stainless steel characterized by its body-centered cubic (bcc) microstructure and a nickel-free composition. These steels typically contain between 10.5% and 27% chromium and have a low carbon content, generally less than 0.2%. This low carbon content means they cannot be hardened through heat treatment.12

Ferritic stainless steels are ferromagnetic and are used in applications where moderate corrosion resistance is sufficient, such as in architectural and automotive trim. Their properties are distinct from austenitic stainless steels, which contain nickel and have a face-centered cubic (fcc) structure, offering higher corrosion resistance.123

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