A182 F9 flanges

Butt weld flanges (WN flanges) are generally available in two designs. High hub flange and tapered hub flange, the former is the regular type, used to connect pipes. The neck of the butt weld flange can be welded directly to the pipe end. WN flange has the advantages of convenient construction, high strength and good sealing performance. Also widely used in different pressure pipelines.

We offer F9 Alloy Steel Flanges that have superior corrosion resistance and ductility due to the small amount of Chromium and Molybdenum. A182 F9 Alloy Steel Flanges is for use in small size and high pressure piping systems. Due to the small amount of chromium and molybdenum it has superior corrosion resistance and ductility.