What Is 316Ti Stainless Steel?

316Ti stainless steel is a type of austenitic stainless steel that is alloyed with titanium (Ti). The "316" in its name refers to the grade of stainless steel, which is part of the 300 series of stainless steels. These steels are known for their corrosion resistance, making them suitable for a wide range of applications, particularly in environments where exposure to moisture, chemicals, and corrosive substances is a concern.

The addition of titanium in 316Ti stainless steel serves to stabilize the material against sensitization to intergranular corrosion. Sensitization is a condition where the formation of chromium carbides at the grain boundaries can lead to reduced corrosion resistance in certain environments. The titanium in 316Ti forms titanium carbides, which helps prevent the formation of chromium carbides, thus maintaining the material's corrosion resistance, even at elevated temperatures.

This titanium-stabilized stainless steel is often used in applications where resistance to corrosive environments is crucial, such as in chemical processing, pharmaceutical manufacturing, and the food and beverage industry. It is also used in some high-temperature applications due to its improved resistance to sensitization.