Start with the distinction
Elemental titanium, commercially pure titanium grades, titanium alloys and titanium dioxide are different things. A purchase request should identify which one is intended.
From an element to an engineered product
Grade, product form, condition, dimensions and documentation matter. A general description of titanium cannot replace a specification for a real part.
Educational reference: Royal Society of Chemistry: titanium. Reviewed 23 September 2026. Element values are not alloy design specifications.