Nipple fittings are used in a number of different industrial applications. Although they are made up of a variety of different materials, the stainless steel nipple is still the most popular. This is partly because of their strength and durability. Types of Stainless Steel Nipples Basically, a nipple is simply a short length of pipe that features male pipe threads that are located at both ends, making it possible to connect other fittings. Nipple fittings that do not have a section of unthreaded or bare pipe between the two connecting ends are usually known as running nipples or close nipples. Only a small amount of the nipple is visible when these types of nipples are connected. While looking for a stainless steel nipple, it is also important that you know its various type. There is a hexagonal nipple, close nipple, reducing nipple, long hex nipple, welding nipple, and hose nipple. Benefits of using stainless steel nipples A s...