A pipe fitting is a threaded fitting that helps in making different plumbing configurations. Pipe fittings are available in male and female fitting forms and are made from materials such as nylon, polyvinyl chloride (PVC), acrylonitrile butadiene styrene (ABS), polyethylene (PE), polypropylene (PP), brass, aluminum, copper, cast iron, steel and stainless steel.Types of pipe fittings include elbows, couplings, unions, adaptors, caps, plugs, valves, bushings, flanges, tees and crosses. Power, oil, gas, refinery, chemical, petrochemical, municipal, pulp, paper, semiconductor, irrigation, residential, sanitation, ventilation, marine, dredging, road or highway construction, food and beverage are some of the industries that rely on pipe fittings.