... 180DegMATERIAL : carbon steel,alloy steel,stainless steel, A234 WPB STANDARD:ANSI B16.9/16.28 , DIN2605/2616 , JIS standards,JIS ... pipes, ERW pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc...1. Butt weld Elbow 45degree & 90degree Long ... kinds of Flanges, welding neck , slip on , socket weld , threaded, lap joint, blind, spectacle, orifice, ring and long welding neck flanges.SIZE ...