1.90 degree titanium elbow. 2.material:Gr1,gr2,gr5,gr7,gr9,gr12, ... ,GR7,GR9,GR10,GR12size:DN20Xthickness----DN1200Xthickness or as your requirement with drawinginspection for welding line:x-ray press test:hydrostatic testWelcome ... quality and satisfaction!Queent Ti, Benefit the world!Hope cooperation with you asap.