18 Ni 300 High strength martensitic aging steels were selected by their superior mechanical performance. 18 Ni 300 Its high strength MPa It is known for excellent ductility and excellent fatigue resistance, and is widely applied to aerospace parts, precision dies and high stress mechanical parts. The low carbon content and the unique aging process ensure that the deformation during the heat treatment is minimal and an ideal choice requiring high precision applications. 18 Ni 300 It has proven that it is a reliable selection of the industry which has the excellent toughness even at low temperature, and is required for the top class performance material.