Titanium Rods and Bars: 1.Grade: Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12 etc. 2.Standard:ASTM B348 GRADESPECIFICATIONSROUND BARSASTM AMSDIAMETER ... rolled, Annealed,Centerless Ground Surface Commercial Pure Titanium ASTM B348 Gr1,2,3,4ASTM F67 Gr1,2,3,4 -----Over 50.8 ... Rolled, Annealed,Straightened, Black Surface Ti 0.2 Pd ASTM B348 Gr7 ----- HEXAGON BARSSIZECONDITIONAF5.8mm–17mmCold Rolled, Straightened Ti ...