The types of alloy steel pipe fitting:
Alloy steel butt weld fittings are available in a variety of types. Long and short radius 90-degree elbow, long and short radius 45-degree elbow, long and short radius 180-degree elbow, isometric tee, reduction tee, concentric reducer, eccentric reducer and pipe cap.
No matter long or short radius or degree of elbow, its role is to change the direction of the pipe.
Tees are used to connect three pipes in different directions and reducers are used to connect two pipes of different diameters.
Pipe caps are used to seal the end of a pipe.