... ,Gr12...Gr23 3.Tolerance:h6-h9 Gr5 high precision titanium bar:1.Standard:ASTM B348,ASTM F136-02a,ASTM F67,AMS ... to 1.08.Ovality and Taper degrees:3-8 μm Table 1 The Tolerance list of the High Precision Titanium bars ... -180,-110,-180,-270,-4318-300,-130,-210,-330,-52 Table 2 The Tensile Properties of the Titanium Bars and RodsGradeTensile ...