(Qty 1 box 12”x50”) Titanium Grade 2 Shim Stock .015 Trinity Brand 12” x 50” 12T-15 ASTM B265 Annealed. Titanium Grade 2 low density and high strength-to-weight ratio makes it the material of choice for many corrosive chemical environments, including oxidizing chloride solutions (including seawater) and chlorine-based bleaches. Commercially Pure Grade 2 Titanium is the “workhorse” of the commercially pure Titanium grades. It is slightly stronger than Grade 1, but equally as corrosion resistant in a wide variety of environments.