... L/R, S/R, 45deg,90deg,180DegMATERIAL : carbon steel,alloy steel,stainless steel, A234 WPB STANDARD: ... SR ,seamless pipe :A106 GR.B / A53 / API5LSIZE : 1/2"- 48"Wall thickness :sch20, sch40, sch80 ,STD , SGP ... steel pipes,elbow,reducer,tee,caps,flange,tube etc...1. Butt weld Elbow 45degree & 90degree Long Radius ... orifice, ring and long welding neck flanges.SIZE: 1/2 inch-72 inchWALL THICKNESS: SCH-5S to ...