Flange rough, Flange blank, forged rough, forged blank

All of our flanges are made by forging, never casting or casting-forging, only forging. Though casting or casting-forging flanges price is cheaper than only forged flanges, but the quality in using of pipe connecting is terrible, casting flanges only fit for non-pressure pipe connection, can not use for pruessure pipe connecting, when users buy flanges you must check carefully it is forged or not. It is important for the safely of project.