1Family:casting 2Name:flange coupling 3Material:cast iron 4Usage:connecting ... precision flange,flange coupling,casting flange,cast iron flange,fully machined componnetManufacturing process:sand casting,centrifugal casting etcMachining:turning, ... , alloy steel etc.2.Manufacturing Processes: sand casting, investment casting, centrifugal casting etc.3.Technology: surface treatment, polishing, machining ...