Since we discussed this so much, I asked (and received) the numbers on the face material.......and now we can see why this head hits 15% longer.....in part, because the face material is 15% more resilient.
6-4 TitaniumUnless stated specifically titanium heads advertised as Beta-Titanium use this alloy(6-4 Titanium) for the shell of the head and Beta-Titanium(15-3-3-3 Beta-Ti) in the face.>
>
Density (lb/in³)>
>
Tensile Strength (psi)>
>
Hardness>
>
Elongation(%)>
>
0.16>
>
135,000>
>
36 HRC>
>
15>
>
15-3-3-3 Forged Beta-TiTitanium is used in wood heads manufactured with the formula 15V-3Sn-3Cr-3Al: these are 76% Titanium, 15% Vanadium, 3% Tin, 3% Chromium and 3% Aluminum .>
>
Density (lb/in³)>
>
Tensile Strength (psi)>
>
Hardness>
>
Elongation(%)>
>
0.172>
>
145,000>
>
32 HRC>
>
8>
>
15-5-3 TitaniumNot more than 75% titanium, 15% Molybdenum, 5% Zirconium and 3% Aluminum. The most common used in high quality woods. Harder than 17-4 stainless steel.>
>
Density (lb/in³)>
>
Tensile Strength (psi)>
>
Hardness>
>
Elongation(%)>
>
0.181>
>
181,000>
>
35 HRC>
>
5>
>
10-2-3 TitaniumTitanium is used in wood heads manufactured with the formula 10V-2Fe-3Al: these are 85% Titanium, 10% Vanadium and 3% Aluminum . Titanium is often used very rarely in golf. Airplane black boxes>
>
Density (lb/in³)>
>
Tensile Strength (psi)>
>
Hardness>
>
Elongation(%)>
>
0.168>
>
180,000>
>
41 HRC>
>
6>
>
SP700 Titanium Titanium is used in wood heads manufactured with the formula 4.5Al-2.5Fe-2Mo-3V: these are 88% Titanium, 4.5% Aluminum, 2.5% Iron, 2% Molybdenum and 3% Vanadium. Japanese grade tested heat treated>
>
Density (lb/in³)>
>
Tensile Strength (psi)>
>
Hardness>
>
Elongation(%)>
>
0.163>
>
148,000>
>
45 HRC>
>
19>
>
TVC
DENSITY TENSILE STRENGTH HARDNESS ELONG
.171 171,428 48 HRC 11


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