Threaded joint, refers to the pipe connection with thread, is the most common kind of pipe fitting in industry and life, threaded joint makes the connection of pipe more simple, easier to remove and replace, greatly saving the cost of pipe connection.  

Threaded joints generally include threaded elbow, threaded tee, threaded connector, threaded pipe cap, threaded pipe hoop, threaded pipe reducer, threaded plug, core, etc.  

Industrial threaded joints are generally made of metal, high pressure, materials are carbon steel, stainless steel, alloy steel, brass, etc.; Threaded joint materials used in life generally include PC, PVC, PE, PPR and so on