Aluminum reducer is an aluminum pipe fitting used to connect two pipes of different diameters. It is divided into concentric reducer and eccentric reducer.

Aluminum pipe caps, also known as aluminum end caps or aluminum fittings pipe caps, are aluminum accessories designed to seal off the end of metal pipes or other tubular structures.

An aluminum tee (aluminum tee fitting) is a type of pipe fitting used to divide a main pipeline into two or three branch pipelines.

The 6061-T6 aluminum welded concentric reducer is a connecting pipe fitting made of 6061-T6 aluminum alloy, primarily used for transitioning between pipes of different diameters.