Method of forming golf club head assembly

A golf club head comprising:

• a crown;
• a sole opposite the crown;
• a toe end;
• a heel end opposite the toe end;
• a recess bounded by the crown, sole, toe end, and heel end;
• a faceplate configured to align, fit within, and be welded to the recess;
• wherein the faceplate comprises an α-β titanium alloy,
• wherein the α-β titanium alloy comprises 5 wt % to 10 wt % aluminum, and 1.5 wt %-7.0 wt % vanadium;
• wherein heating the club head and the faceplate includes heating the club head above the solvus temperature for between 1 hour and 2 hours and cooled in an inert gas;
• wherein the faceplate has a center face thickness and a faceplate outer face thickness near a golf club head upper edge adjacent to the crown, lower edge adjacent to the sole, heel end, and toe end;
• wherein the faceplate outer face thickness is in a range of 0.4 mm to 0.7 mm.