... ,ISO flange steel pipe flange,ansi flange,tube flange for pipe joint 1.Products Items:Slip-on welding flange;welding nece flange;socket welding flange;threaded flange;lapped flange;blind ... ,street elbow,boss, tee, coupling ,half coupling,cap,plug,union,hex nipple ,swage nipple,bushing,cross,outlet,etc.connecting typesocket weld ...