... Product name:Carbon steel flange 2.Size:DN8-DN100 3.Material:Carbon steel 4.standard:ANSI 5. ... S/R,L/R,30Deg,45Deg,60Deg,90Deg,180Deg ),Tee,Reudcer,Caps,Pipe Bend, Threadolet, Weldolet,Flanges,steel pipe,Tube,API pipe,Oil line pipe ... 10#,20#,45#,16Mn,16MnR,A333Gr6,A105,F11,F22,F9,F5,F91Stainless:304,316,321,API 5L:Gr.B ... ,X42,X52,X60,X65,X70 and so onAPI 5CT:J555StandardAPI,GB,ASTM,ASME,ANSI ...