| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve strength while reducing the thickness of a face part and to obtain an excellent hitting feel by using an amorphous metal as a material constituting at least the face part. SOLUTION: The head of an iron club is connected with a hosel 1 at the bottom end of a shaft 10. The bottom end of this hosel 1 has the face part 21 a recess 3 formed on the rear side of the face part 2, a heel 4, a toe 5 and a sole 6. A rib 7 is formed around the recess 3. In such a case, the entire part of the head is cast by using the amorphous metal (Zr-Ti-Cu-Be). At this time, the thickness of the face part 2 is specified to 1.0 to <=2.5mm. The amorphous metal preferably contains 2 to 47atm.% beryllium, 30 to 75atm.% front period transition metal and 5 to 62atm.% post period transition metal.</p> |
