Titanium Rods and Bars: 1.Grade: Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12 etc. 2.Standard:ASTM B348,AWS,AMS. GRADESPECIFICATIONSROUND BARSASTM ... - 50.8 mmHot rolled, Annealed,Centerless Ground Surface Commercial Pure Titanium ASTM B348 Gr1,2,3,4ASTM F67 Gr1,2,3 ... AMS 4943 Ti 0.3 Mo-0.8Ni ASTM B348 Gr12 -----