Ferrous Materials and Non Ferrous Metals and Alloys
Ferrous Materials and Non-Ferrous Metals and Alloys 21 treatment. These steels are actually iron-chromium alloys and cannot be hardened by heat treatment. Such type of steel is utilized in manufacture of dairy equipment food processing plants, etc. (2) Martensitic stainless steel: These steels contain 12–18% chromium and 0.1 to 1.8% carbon.