Applications for A182 F11 flanges are found in a variety of equipment such as valves, pressure vessels, petrochemical plants, and heat exchangers in industries such as refineries, chemical processing, power generation, and oil and gas. These industries require alloys that can withstand the high temperatures and pressures within the equipment. https://www.shasanpiping.com/alloy-steel-f11-flanges-manufacturers-exporters-suppliers-stockists.html