1.Product name:Welding plate flange 2.Size:DN150-DN350 3.Material:Alloy steel 4.standard: ... ,Reudcer,Caps,Pipe Bend, Threadolet, Weldolet,Flanges,steel pipe,Tube,API pipe,Oil line pipe and so on2Out DiameterDN150-DN3503Wall ThicknessSch5S ... ,A333Gr6,A105,F11,F22,F9,F5,F91Stainless:304,316,321,API 5L:Gr.B,X42,X52,X60,X65,X70 and so ... ,I will product new,or return the money Welding plate flange