... parts parts for customized investment casting process OEM steel valve partparts for customizedinvestment casting process Investment Casting For Various ... , heat treatment.Weight: up to 35kgsCustom design and manufacture available, Commonly Used Material: 1. Stainless steel:303, 304, 304L, 316, 316L, CF8 ... .4581, SCS13,SCS14,SCS13A,SCS14A,17-4PH etc.2. Carbon steel: 60, 65, 70, 75, 80, 85, WCB,WC6,WC9, ...