Patent ID: 7131912

Claim:
A method for making a wood-type golf club head, comprising: forming a face portion of the golf club head from a piece of sheet metal consisting essentially of a titanium alloy, wherein the titanium alloy consists essentially of about 4.4 to 5.7 weight percent aluminum, about 4.0 to 5.5 weight percent molybdenum, about 4.0 to 5.5 weight percent vanadium, about 0.5 to 1.5 weight percent chromium and about 0.5 to 1.5 weight percent iron, with the remainder being substantially titanium; and after forming the face portion, attaching the formed face portion to a crown and a sole of the golf club head, wherein the step of forming the face portion comprises: pressing the piece of sheet metal into a die at about 70 tons psi; heat treating the piece of sheet metal to increase the hardness of the piece of sheet metal.