AISI 321 Stainless Steel (UNS S32100) | Forging Materials
SS321, AISI 321 Stainless Steel 321H, TP321. AISI 321 stainless steel (SS321) is basically type 304 with the addition of titanium (Ti), which stabilizes carbides against sensitization to prevent intergranular precipitation of chromium carbide when the steel is heated to a temperature within the sensitization range (such as during welding). …