... , LR , SR ,seamless pipe :A106 GR.B / A53 / API5LSIZE : 1/2"- 48"Wall thickness :sch20, sch40, sch80 ,STD , SGP , SCH160, XS, XXS ... pipes,elbow,reducer,tee,caps,flange,tube etc...1. Butt weld Elbow 45degree & 90degree Long Radius &Short Radius2. Butt weld Straight Tees & Reducing ... know,We will be happy to give you details. steel 180 deg elbow