ASTM A182 F5 alloy materials are suitable for high temperatures as well as high pressures, or a combination of these two applications. Another feature of the Alloy Steel Grade A182 material is its increased corrosion resistance compared to regular carbon steel grade flanges. When it comes to corrosion, ASTM A182 F5 blind flanges exhibit excellent resistance to both oxidative corrosion... https://www.shasanpiping.com/alloy-steel-f5-flanges-manufacturers-exporters-suppliers-stockists.html