... Instructions: 1) Grade:TA0,TA1,TA2,TA3,TC4, etc.,2) Standard: GB,ASTM,GOST,DIN,AMS2) Diameter: 0.3mm-8.0mm3 ... drilling equipment and the pipeline, etc.(4)In cars, titanium can be used in the manufacture of engine valve, bearing seat, valve spring, connecting ...