Mild Steel ERW Elbow is essential components of a pressure piping system that are used to modify the direction of fluid flow. It is used to join two pipes with the same or different nominal diameters and to turn the pipe and hence the fluid direction 45 degrees or 90 degrees. Mild Steel ERW Elbow is made from seamless steel pipe using hot push, press, or extrusion methods, with no seams on the elbow body. It is made from welded steel tubing in the same way as seamless elbows are.