Alloy steel F5 A182 butt weld flanges are used for auxiliary industrial high pressure services such as condensers, evaporators, heat exchangers, etc. Alloy Steel F5 A182 Butt Weld Flange helps to connect pipes of nominal bore diameter without welding, suitable for high pressure hydraulic systems. Alloy steel F5 A182 sliding flanges are available in different diameter ranges, different sizes and different wall thicknesses according to different functions.