Precipitation Hardened stainless steel, also known as PH stainless steel, is a type of stainless steel that undergoes a special heat treatment process to increase its strength and hardness. This type of stainless steel is primarily used in applications where high strength, corrosion resistance, and good mechanical properties are required.

The precipitation hardening process involves heating the stainless steel to a specific temperature range, known as the aging temperature, and holding it at that temperature for a certain period. This causes the formation of particles within the material, which strengthen the steel and improve its mechanical properties.

Applications of precipitation hardened stainless steel include aerospace components, such as turbine blades and structural parts, as well as high-performance industries such as motorsports, firearms, and medical devices. It’s high strength and corrosion resistance make it an excellent choice for demanding applications where durability and reliability are crucial.