The iron golf club head (20) of the present invention is preferably
composed of three main components: a periphery member 22, a central
member 24 and a nanocrystalline plated face plate 26. The periphery
member (22) is preferably composed of a high density material such as a
nickel-tungsten alloy. The central member (24) is preferably composed of
a lightweight, non-metal material. The face plate (26) is preferably
composed of a non-metal material plated with a nanocrystalline material.
The iron golf club head (20) preferably has high moments of inertia Izz
and Ixx.