valve part parts for customized investment casting process valve partparts for customizedinvestment casting process Investment Casting For Various Industries...Process: investment (lost wax) casting, machining ... .4404, 1.4581, SCS13,SCS14,SCS13A,SCS14A,17-4PH etc.2. Carbon steel: 60, 65, 70, 75, 80, 85, WCB,WC6 ...