Titanium alloy for golf-club heads, and clubheads comprising same

Abstract

A driver, fairway wood, utility clubhead or iron having i) a striking face, ii) a striking face insert or iii) a striking face with a metallic cap comprising a titanium alloy consisting essentially of: A) from about 5.5 to about 6.5 percent by weight aluminum; B) from about 1.5 to about 2.2 percent by weight iron; C) from about 0.01 to about 0.1 percent by weight silicon; and D) the balance titanium.

1 . A golf club head, comprising:
 a club body; and   a striking face   wherein the striking face comprises a titanium alloy consisting essentially of;
 A) from about 5.5 to about 6.5 percent by weight aluminum; 
 B) from about 1.5 to about 2.2 percent by weight iron; 
 C) from about 0.01 to about 0.1 percent by weight silicon; and 
 D) the balance titanium. 
   
   
   
       2 . A golf club head, comprising:
 a club body; and   a striking face insert   wherein the striking face insert comprises a titanium alloy consisting essentially of;
 A) from about 5.5 to about 6.5 percent by weight aluminum; 
 B) from about 1.5 to about 2.2 percent by weight iron; 
 C) from about 0.01 to about 0.1 percent by weight silicon; and 
 D) the balance titanium. 
   
   
   
       3 . A golf club head, comprising:
 a club body; and   a striking face insert   wherein the striking face insert comprises a metallic cap comprising a titanium alloy consisting essentially of
 A) from about 5.5 to about 6.5 percent by weight aluminum; 
 B) from about 1.5 to about 2.2 percent by weight iron; 
 C) from about 0.01 to about 0.1 percent by weight silicon; and 
 D) the balance titanium. 
   
   
   
       4 . A golf club head comprising:
 a club body; and   a striking face component composed of a titanium alloy material, the face component comprising a striking plate portion and a return portion; and   wherein the titanium alloy consists essentially of;
 A) from about 5.5 to about 6.5 percent by weight aluminum; 
 B) from about 1.5 to about 2.2 percent by weight iron; 
 C) from about 0.01 to about 0.1 percent by weight silicon; and 
 D) the balance titanium. 
   
   
   
       5 . The golf clubhead of  claim 4  wherein the club body comprises a composite material. 
   
   
       6 . The golf clubhead of  claim 1 ,  2 ,  3  or  4  wherein the club body comprises a titanium alloy. 
   
   
       7 . The golf club head of  claim 6  wherein the titanium alloy consists essentially of;
 A) from about 5.5 to about 6.5 percent by weight aluminum;   B) from about 1.5 to about 2.2 percent by weight iron;   C) from about 0.01 to about 0.1 percent by weight silicon; and   D) the balance titanium.   
   
   
       8 . The clubhead of  claim 1 ,  2 ,  3  or  4  wherein the golf club is configured as a driver, fairway wood, utility clubhead or iron.