https://www.pipenipples.com/galvanized-pipe-nipples/ Applications of Galvanized Steel Pipe Nipple Galvanized steel nipples are primarily used in industrial and outdoor applications. They are well suited for any above-ground outdoor work. The zinc coating gives galvanized pipe nipples a toughness and longevity that is well-suited for outdoor environments. Although the threaded pipe fittings are ideal for cold water, they can even withstand hot water. In any case, the strength of galvanized steel is matched only by its price efficiency.All Rights Reserved