A precipitation hardenable stainless steel having the following weight percent composition is disclosed.
The balance of the alloy is essentially iron and the usual impurities. One or more rare earth metals or calcium may be included in the alloy for removing and/or stabilizing phosphorus and sulfur. The alloy provides a unique combination of strength, toughness, and ductility. In accordance with another aspect of the present invention, there is described a useful article such as an aircraft structural component or a golf club head that is formed, at least in part, from the aforesaid alloy. In accordance with a further aspect of the present invention, there is described an elongated strip formed from the aforesaid and a method of making such strip material.