1.titanium pipe fitting 2.material:Gr1,gr2,gr5,gr7,gr9,gr12,gr10,etc. ... :astm b363,astm b16.9 ,gb12459,gb/t13401 designation: butt-welding concentric and eccemtric reducersstandard: astm b363,astmb16.9,gb 12459 ... ,GR12size:DN20X15Xthickness----DN1200XDN1000Xthickness or as your requirement with drawinginspection for welding line:x-ray press test:hydrostatic testWelcome you to choose ...