These ASTM A182 F12 alloy steel pipe flanges are suitable for high temperature and high pressure environments. ASTM A182 Alloy Steel Pipe Flanges are very easy to install and have a low hub due to the pipe going into the flange before welding. These flanges are available in different types such as slip flanges, blind flanges, butt weld flanges, socket weld flanges, orifice flanges, eyeglass blind flanges, threaded/threaded flanges, reducer flanges, ring flanges Type joint flange (RTJ), etc.