A182 F51 2205 S31803 flange ring SA 182 f51 flanges
The applications of the flanges include petroleum, petrochemical, oil and gas and other high performing piping systems.
The F51 duplex flanges without hub shall be manufactured from plate in according to ASTM A240. After hot forging, the duplex F51 flanges shall be cooled to a temperature below 1000¡ãF [538¡ãC] prior to heat treatment. Stress corrosion cracking occurs when stainless steels are subjected to tensile stress, while in contact with solutions containing chlorides. ASTM A182 F51 is a forging material specification for 51 grade stainless steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service.