special-shaped flange A182 F11 flange the flanges F5
Custom pipe flanges can be manufactured from a variety of materials and material grades. Carbon steel is a popular solution, as are stainless steels and specialty alloys, depending on the industry. Sheet and forging are also common, and titanium and aluminum are also suitable for lightweight jobs.
Pressure ratings range from 150 to 2500 and PN6 to PN64. Alloy steel F5 flanges are also available with different face types including flat, raised face or ring joints. Different face types allow different types of connections and provide advantages. Alloy Steel ASTM A182 F5 Blind Flanges are used to close pipes by welding or bolting.