Pipe Fittings are applied to connect two pipe ends together, to change direction or size of the pipes. There are many different types and shapes on the market. Pipes are made of either plastic or metal and so as pipe fittings. Most of the pipe fittings are rounded shape, but not always. The shape varies within different types, to match pipes. They are used in different applications like plumbing, waste, vent systems and many other industries. Pipes are mostly used for transportation of fluids and solids and depending on areas of their usage, the materials they are made of vary. The same apply to pipe fittings. Within applications there are different requirements of sanitary, strength and so on.