... : GR1, GR2, GR3, GR4 Titanium alloy grade: GR5 (6% Al, 4%V)2. Standard: ASTMB265, ASTM F136, AMS 4911E, AMS 4910H, ... 10 years professional produce of titanium and titanium alloy sheet.2.Strong Technical strength, production facilities with advanced technical and ... defects.Secondly: Ultrasonic Flaw Detection making sure there are no defects inside.Thirdly: Chemical Composition Detection making sure all ...