Ti-6-2-2-2-2 is another way to refer to the titanium alloy Ti-6Al-2Sn-2Mo-2Cr. The “Ti-6-2-2-2-2” designation is a shorthand way of indicating the composition of the alloy, with the numbers representing the percentage of each element present. In this case, the alloy consists of 6% aluminum, 2% tin, 2% molybdenum, and 2% chromium, in addition to the titanium base. This alloy is known for its high strength, good corrosion resistance, and high temperature stability, and is commonly used in aerospace and other high-stress applications.