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, heat treatment.Weight: up to 35kgsCustom design and manufacture available, Commonly Used Material: 1. Stainless steel:303, 304, 304L, 316, 316L, CF8, CF3, CF8M,CF3M, 1.4308, 1.4301, 1.4408 ...