Titanium and Titanium Alloy Rings 1) Grades: Gr.1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.11, Gr.12 2) size:5306; dia:5306;150-600mm Thickness:5306;35-150mm OD:306;200-3000mm Id:5306;100-900mm Thickness:5306;40-400mm Height:5306;40-700mm 5) Standards: ASTM, AMS, MIL