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Titanium is a chemical element with symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density and high strength.
T 6601 (OTTO) Titanium, dia.6 x 6 mm, 99.6% Cas 7440-32-6 - used in steel as an alloying element (ferro-titanium) to reduce grain size and as a deoxidizer, and in stainless steel to reduce carbon content.