... flange,tube etc.. TYPES: elbows, seamless and welded ,L/R, S/R, 45deg,90deg,180DegMATERIAL : carbon steel,alloy ... seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc...1. Butt weld Elbow 45degree & 90degree Long ... 72nch5. Butt weld Bend 2D 3D, 4D, 5D etc.6.All kinds of Flanges, welding neck , slip ... .9, JIS, DINMATERIAL:ASTM A234-WPB, A420-WPL6/L3 etc.; ASTM A234- WP12, WP11, WP15, WP22, WP1, ...