Titanium Grade 2 is also unalloyed and pure titanium commonly known as CP-3 Gr. 2. Grade 2 is 98.9% Titanium. Slightly stronger than grade 1. However, carries the same characteristics which allow great ductility, weldability, and strength making it a perfect grade for fabrication and corrosive environments. Commonly used in airframes, aircraft engines, marine parts, etc.