A method of making a titanium golf club head includes steps. One adopts Ti-4-6
Titanium alloy as SPDF material under isothermal forging conditions, sets the SPDF
temperature at between 870-970 degrees Celsius, while heating the molds and workpieces
simultaneously in a high frequency stove. One also moves the molds and workpieces
from the stove to the forging machine, adjusting the forging machine reacting speed
rate within the range of 10-2/s to 10-4/s.
