... and welded ,L/R, S/R, 45deg,90deg,180DegMATERIAL : carbon steel,alloy steel,stainless steel, A234 WPB STANDARD:ANSI B16.9/16.28 , DIN2605 ... etc.6.All kinds of Flanges, welding neck , slip on , socket weld , threaded, lap joint, blind, spectacle, orifice, ring and long welding ... us know,We will be happy to give you details. carbon steel 180 deg elbow