1.titanium pipe fitting 2.material:Gr1,gr2,gr5,gr7,gr9,gr12,gr10,etc. 3.standard:astm b363,astm b16.9 ,gb12459,gb/t13401 designation: butt-welding concentric and eccemtric reducersstandard: astm b363,astmb16.9,gb 12459 ,gb/t13401material: pure titanium or titanium alloy Gr1, GR2,GR5,GR7,GR9,GR10,GR12size:DN20X15Xthickness----DN1200XDN1000Xthickness or as your requirement with drawinginspection ...